mirror of
https://github.com/Fishwaldo/build.git
synced 2025-03-31 11:11:49 +00:00
2030 lines
67 KiB
Diff
2030 lines
67 KiB
Diff
diff --git a/Makefile b/Makefile
|
|
index 87909d8302ad..019a6a4b386d 100644
|
|
--- a/Makefile
|
|
+++ b/Makefile
|
|
@@ -1,6 +1,6 @@
|
|
VERSION = 3
|
|
PATCHLEVEL = 10
|
|
-SUBLEVEL = 75
|
|
+SUBLEVEL = 76
|
|
EXTRAVERSION =
|
|
NAME = TOSSUG Baby Fish
|
|
|
|
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
|
|
index 98838a05ba6d..9d0ac091a52a 100644
|
|
--- a/arch/alpha/mm/fault.c
|
|
+++ b/arch/alpha/mm/fault.c
|
|
@@ -156,6 +156,8 @@ retry:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
|
|
index 50533b750a99..08f65bcf9130 100644
|
|
--- a/arch/arc/mm/fault.c
|
|
+++ b/arch/arc/mm/fault.c
|
|
@@ -160,6 +160,8 @@ good_area:
|
|
/* TBD: switch to pagefault_out_of_memory() */
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
|
|
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c
|
|
index 0eca93327195..d223a8b57c1e 100644
|
|
--- a/arch/avr32/mm/fault.c
|
|
+++ b/arch/avr32/mm/fault.c
|
|
@@ -142,6 +142,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/cris/mm/fault.c b/arch/cris/mm/fault.c
|
|
index 1790f22e71a2..2686a7aa8ec8 100644
|
|
--- a/arch/cris/mm/fault.c
|
|
+++ b/arch/cris/mm/fault.c
|
|
@@ -176,6 +176,8 @@ retry:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/frv/mm/fault.c b/arch/frv/mm/fault.c
|
|
index 9a66372fc7c7..ec4917ddf678 100644
|
|
--- a/arch/frv/mm/fault.c
|
|
+++ b/arch/frv/mm/fault.c
|
|
@@ -168,6 +168,8 @@ asmlinkage void do_page_fault(int datammu, unsigned long esr0, unsigned long ear
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
|
|
index 7225dad87094..ba5ba7accd0d 100644
|
|
--- a/arch/ia64/mm/fault.c
|
|
+++ b/arch/ia64/mm/fault.c
|
|
@@ -172,6 +172,8 @@ retry:
|
|
*/
|
|
if (fault & VM_FAULT_OOM) {
|
|
goto out_of_memory;
|
|
+ } else if (fault & VM_FAULT_SIGSEGV) {
|
|
+ goto bad_area;
|
|
} else if (fault & VM_FAULT_SIGBUS) {
|
|
signal = SIGBUS;
|
|
goto bad_area;
|
|
diff --git a/arch/m32r/mm/fault.c b/arch/m32r/mm/fault.c
|
|
index e9c6a8014bd6..e3d4d4890104 100644
|
|
--- a/arch/m32r/mm/fault.c
|
|
+++ b/arch/m32r/mm/fault.c
|
|
@@ -200,6 +200,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/m68k/mm/fault.c b/arch/m68k/mm/fault.c
|
|
index eb1d61f68725..f0eef0491f77 100644
|
|
--- a/arch/m68k/mm/fault.c
|
|
+++ b/arch/m68k/mm/fault.c
|
|
@@ -153,6 +153,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto map_err;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto bus_err;
|
|
BUG();
|
|
diff --git a/arch/metag/mm/fault.c b/arch/metag/mm/fault.c
|
|
index 332680e5ebf2..2de5dc695a87 100644
|
|
--- a/arch/metag/mm/fault.c
|
|
+++ b/arch/metag/mm/fault.c
|
|
@@ -141,6 +141,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
|
|
index fa4cf52aa7a6..d46a5ebb7570 100644
|
|
--- a/arch/microblaze/mm/fault.c
|
|
+++ b/arch/microblaze/mm/fault.c
|
|
@@ -224,6 +224,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
|
|
index 0214a43b9911..c40a8d1c43ba 100644
|
|
--- a/arch/mips/mm/fault.c
|
|
+++ b/arch/mips/mm/fault.c
|
|
@@ -157,6 +157,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c
|
|
index 3516cbdf1ee9..0c2cc5d39c8e 100644
|
|
--- a/arch/mn10300/mm/fault.c
|
|
+++ b/arch/mn10300/mm/fault.c
|
|
@@ -262,6 +262,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
|
|
index 0703acf7d327..230ac20ae794 100644
|
|
--- a/arch/openrisc/mm/fault.c
|
|
+++ b/arch/openrisc/mm/fault.c
|
|
@@ -171,6 +171,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
|
|
index d10d27a720c0..c45130f56a93 100644
|
|
--- a/arch/parisc/mm/fault.c
|
|
+++ b/arch/parisc/mm/fault.c
|
|
@@ -220,6 +220,8 @@ good_area:
|
|
*/
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto bad_area;
|
|
BUG();
|
|
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
|
|
index d9196c9f93d9..d51a0c110eb4 100644
|
|
--- a/arch/powerpc/mm/fault.c
|
|
+++ b/arch/powerpc/mm/fault.c
|
|
@@ -425,6 +425,8 @@ good_area:
|
|
*/
|
|
fault = handle_mm_fault(mm, vma, address, flags);
|
|
if (unlikely(fault & (VM_FAULT_RETRY|VM_FAULT_ERROR))) {
|
|
+ if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
rc = mm_fault_error(regs, address, fault);
|
|
if (rc >= MM_FAULT_RETURN)
|
|
goto bail;
|
|
diff --git a/arch/powerpc/platforms/cell/spu_fault.c b/arch/powerpc/platforms/cell/spu_fault.c
|
|
index 641e7273d75a..62f3e4e48a0b 100644
|
|
--- a/arch/powerpc/platforms/cell/spu_fault.c
|
|
+++ b/arch/powerpc/platforms/cell/spu_fault.c
|
|
@@ -75,7 +75,7 @@ int spu_handle_mm_fault(struct mm_struct *mm, unsigned long ea,
|
|
if (*flt & VM_FAULT_OOM) {
|
|
ret = -ENOMEM;
|
|
goto out_unlock;
|
|
- } else if (*flt & VM_FAULT_SIGBUS) {
|
|
+ } else if (*flt & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) {
|
|
ret = -EFAULT;
|
|
goto out_unlock;
|
|
}
|
|
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
|
|
index 35f77a42bedf..c5c5788e8a13 100644
|
|
--- a/arch/powerpc/platforms/cell/spufs/inode.c
|
|
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
|
|
@@ -164,7 +164,7 @@ static void spufs_prune_dir(struct dentry *dir)
|
|
struct dentry *dentry, *tmp;
|
|
|
|
mutex_lock(&dir->d_inode->i_mutex);
|
|
- list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_child) {
|
|
spin_lock(&dentry->d_lock);
|
|
if (!(d_unhashed(dentry)) && dentry->d_inode) {
|
|
dget_dlock(dentry);
|
|
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
|
|
index 416facec4a33..d214321db727 100644
|
|
--- a/arch/s390/mm/fault.c
|
|
+++ b/arch/s390/mm/fault.c
|
|
@@ -244,6 +244,12 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
|
|
do_no_context(regs);
|
|
else
|
|
pagefault_out_of_memory();
|
|
+ } else if (fault & VM_FAULT_SIGSEGV) {
|
|
+ /* Kernel mode? Handle exceptions or die */
|
|
+ if (!user_mode(regs))
|
|
+ do_no_context(regs);
|
|
+ else
|
|
+ do_sigsegv(regs, SEGV_MAPERR);
|
|
} else if (fault & VM_FAULT_SIGBUS) {
|
|
/* Kernel mode? Handle exceptions or die */
|
|
if (!user_mode(regs))
|
|
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c
|
|
index 52238983527d..6860beb2a280 100644
|
|
--- a/arch/score/mm/fault.c
|
|
+++ b/arch/score/mm/fault.c
|
|
@@ -114,6 +114,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
|
|
index 541dc6101508..a58fec9b55e0 100644
|
|
--- a/arch/sh/mm/fault.c
|
|
+++ b/arch/sh/mm/fault.c
|
|
@@ -353,6 +353,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
|
|
} else {
|
|
if (fault & VM_FAULT_SIGBUS)
|
|
do_sigbus(regs, error_code, address);
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ bad_area(regs, error_code, address);
|
|
else
|
|
BUG();
|
|
}
|
|
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
|
|
index 59dbd4645725..163c78712110 100644
|
|
--- a/arch/sparc/mm/fault_32.c
|
|
+++ b/arch/sparc/mm/fault_32.c
|
|
@@ -252,6 +252,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
|
|
index 3841a081beb3..ac2db923e51a 100644
|
|
--- a/arch/sparc/mm/fault_64.c
|
|
+++ b/arch/sparc/mm/fault_64.c
|
|
@@ -443,6 +443,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
|
|
index 3ff289f422e6..12b732f593bb 100644
|
|
--- a/arch/tile/mm/fault.c
|
|
+++ b/arch/tile/mm/fault.c
|
|
@@ -446,6 +446,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
|
|
index 5c3aef74237f..06ab0ebe0a0f 100644
|
|
--- a/arch/um/kernel/trap.c
|
|
+++ b/arch/um/kernel/trap.c
|
|
@@ -80,6 +80,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM) {
|
|
goto out_of_memory;
|
|
+ } else if (fault & VM_FAULT_SIGSEGV) {
|
|
+ goto out;
|
|
} else if (fault & VM_FAULT_SIGBUS) {
|
|
err = -EACCES;
|
|
goto out;
|
|
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
|
|
index af88fa20dbe8..ddad189e596e 100644
|
|
--- a/arch/x86/kvm/emulate.c
|
|
+++ b/arch/x86/kvm/emulate.c
|
|
@@ -2450,7 +2450,7 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
|
|
* Not recognized on AMD in compat mode (but is recognized in legacy
|
|
* mode).
|
|
*/
|
|
- if ((ctxt->mode == X86EMUL_MODE_PROT32) && (efer & EFER_LMA)
|
|
+ if ((ctxt->mode != X86EMUL_MODE_PROT64) && (efer & EFER_LMA)
|
|
&& !vendor_intel(ctxt))
|
|
return emulate_ud(ctxt);
|
|
|
|
@@ -2463,25 +2463,13 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
|
|
setup_syscalls_segments(ctxt, &cs, &ss);
|
|
|
|
ops->get_msr(ctxt, MSR_IA32_SYSENTER_CS, &msr_data);
|
|
- switch (ctxt->mode) {
|
|
- case X86EMUL_MODE_PROT32:
|
|
- if ((msr_data & 0xfffc) == 0x0)
|
|
- return emulate_gp(ctxt, 0);
|
|
- break;
|
|
- case X86EMUL_MODE_PROT64:
|
|
- if (msr_data == 0x0)
|
|
- return emulate_gp(ctxt, 0);
|
|
- break;
|
|
- default:
|
|
- break;
|
|
- }
|
|
+ if ((msr_data & 0xfffc) == 0x0)
|
|
+ return emulate_gp(ctxt, 0);
|
|
|
|
ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF);
|
|
- cs_sel = (u16)msr_data;
|
|
- cs_sel &= ~SELECTOR_RPL_MASK;
|
|
+ cs_sel = (u16)msr_data & ~SELECTOR_RPL_MASK;
|
|
ss_sel = cs_sel + 8;
|
|
- ss_sel &= ~SELECTOR_RPL_MASK;
|
|
- if (ctxt->mode == X86EMUL_MODE_PROT64 || (efer & EFER_LMA)) {
|
|
+ if (efer & EFER_LMA) {
|
|
cs.d = 0;
|
|
cs.l = 1;
|
|
}
|
|
@@ -2490,10 +2478,11 @@ static int em_sysenter(struct x86_emulate_ctxt *ctxt)
|
|
ops->set_segment(ctxt, ss_sel, &ss, 0, VCPU_SREG_SS);
|
|
|
|
ops->get_msr(ctxt, MSR_IA32_SYSENTER_EIP, &msr_data);
|
|
- ctxt->_eip = msr_data;
|
|
+ ctxt->_eip = (efer & EFER_LMA) ? msr_data : (u32)msr_data;
|
|
|
|
ops->get_msr(ctxt, MSR_IA32_SYSENTER_ESP, &msr_data);
|
|
- *reg_write(ctxt, VCPU_REGS_RSP) = msr_data;
|
|
+ *reg_write(ctxt, VCPU_REGS_RSP) = (efer & EFER_LMA) ? msr_data :
|
|
+ (u32)msr_data;
|
|
|
|
return X86EMUL_CONTINUE;
|
|
}
|
|
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
|
|
index d8b1ff68dbb9..e4780b052531 100644
|
|
--- a/arch/x86/mm/fault.c
|
|
+++ b/arch/x86/mm/fault.c
|
|
@@ -812,11 +812,8 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
|
|
unsigned int fault)
|
|
{
|
|
struct task_struct *tsk = current;
|
|
- struct mm_struct *mm = tsk->mm;
|
|
int code = BUS_ADRERR;
|
|
|
|
- up_read(&mm->mmap_sem);
|
|
-
|
|
/* Kernel mode? Handle exceptions or die: */
|
|
if (!(error_code & PF_USER)) {
|
|
no_context(regs, error_code, address, SIGBUS, BUS_ADRERR);
|
|
@@ -847,7 +844,6 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
|
|
unsigned long address, unsigned int fault)
|
|
{
|
|
if (fatal_signal_pending(current) && !(error_code & PF_USER)) {
|
|
- up_read(¤t->mm->mmap_sem);
|
|
no_context(regs, error_code, address, 0, 0);
|
|
return;
|
|
}
|
|
@@ -855,14 +851,11 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
|
|
if (fault & VM_FAULT_OOM) {
|
|
/* Kernel mode? Handle exceptions or die: */
|
|
if (!(error_code & PF_USER)) {
|
|
- up_read(¤t->mm->mmap_sem);
|
|
no_context(regs, error_code, address,
|
|
SIGSEGV, SEGV_MAPERR);
|
|
return;
|
|
}
|
|
|
|
- up_read(¤t->mm->mmap_sem);
|
|
-
|
|
/*
|
|
* We ran out of memory, call the OOM killer, and return the
|
|
* userspace (which will retry the fault, or kill us if we got
|
|
@@ -873,6 +866,8 @@ mm_fault_error(struct pt_regs *regs, unsigned long error_code,
|
|
if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
|
|
VM_FAULT_HWPOISON_LARGE))
|
|
do_sigbus(regs, error_code, address, fault);
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ bad_area_nosemaphore(regs, error_code, address);
|
|
else
|
|
BUG();
|
|
}
|
|
@@ -1193,6 +1188,7 @@ good_area:
|
|
return;
|
|
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
+ up_read(&mm->mmap_sem);
|
|
mm_fault_error(regs, error_code, address, fault);
|
|
return;
|
|
}
|
|
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
|
|
index 70fa7bc42b4a..38278337d85e 100644
|
|
--- a/arch/xtensa/mm/fault.c
|
|
+++ b/arch/xtensa/mm/fault.c
|
|
@@ -117,6 +117,8 @@ good_area:
|
|
if (unlikely(fault & VM_FAULT_ERROR)) {
|
|
if (fault & VM_FAULT_OOM)
|
|
goto out_of_memory;
|
|
+ else if (fault & VM_FAULT_SIGSEGV)
|
|
+ goto bad_area;
|
|
else if (fault & VM_FAULT_SIGBUS)
|
|
goto do_sigbus;
|
|
BUG();
|
|
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
|
|
index dad8891ecbfa..9c2c4eca52e3 100644
|
|
--- a/drivers/bluetooth/ath3k.c
|
|
+++ b/drivers/bluetooth/ath3k.c
|
|
@@ -77,6 +77,8 @@ static struct usb_device_id ath3k_table[] = {
|
|
{ USB_DEVICE(0x0CF3, 0x3004) },
|
|
{ USB_DEVICE(0x0CF3, 0x3008) },
|
|
{ USB_DEVICE(0x0CF3, 0x311D) },
|
|
+ { USB_DEVICE(0x0CF3, 0x311E) },
|
|
+ { USB_DEVICE(0x0CF3, 0x311F) },
|
|
{ USB_DEVICE(0x0CF3, 0x817a) },
|
|
{ USB_DEVICE(0x13d3, 0x3375) },
|
|
{ USB_DEVICE(0x04CA, 0x3004) },
|
|
@@ -120,6 +122,8 @@ static struct usb_device_id ath3k_blist_tbl[] = {
|
|
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
|
|
+ { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
|
|
+ { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
|
|
index 61a8ec4e5f4d..92b985317770 100644
|
|
--- a/drivers/bluetooth/btusb.c
|
|
+++ b/drivers/bluetooth/btusb.c
|
|
@@ -49,6 +49,7 @@ static struct usb_driver btusb_driver;
|
|
#define BTUSB_WRONG_SCO_MTU 0x40
|
|
#define BTUSB_ATH3012 0x80
|
|
#define BTUSB_INTEL 0x100
|
|
+#define BTUSB_INTEL_BOOT 0x200
|
|
|
|
static struct usb_device_id btusb_table[] = {
|
|
/* Generic Bluetooth USB device */
|
|
@@ -113,6 +114,13 @@ static struct usb_device_id btusb_table[] = {
|
|
/*Broadcom devices with vendor specific id */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
|
|
|
|
+ /* IMC Networks - Broadcom based */
|
|
+ { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
|
|
+
|
|
+ /* Intel Bluetooth USB Bootloader (RAM module) */
|
|
+ { USB_DEVICE(0x8087, 0x0a5a),
|
|
+ .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
|
|
+
|
|
{ } /* Terminating entry */
|
|
};
|
|
|
|
@@ -141,6 +149,8 @@ static struct usb_device_id blacklist_table[] = {
|
|
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
|
|
+ { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
|
|
+ { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
|
|
{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
|
|
@@ -1444,6 +1454,9 @@ static int btusb_probe(struct usb_interface *intf,
|
|
if (id->driver_info & BTUSB_INTEL)
|
|
hdev->setup = btusb_setup_intel;
|
|
|
|
+ if (id->driver_info & BTUSB_INTEL_BOOT)
|
|
+ set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
|
|
+
|
|
/* Interface numbers are hardcoded in the specification */
|
|
data->isoc = usb_ifnum_to_if(data->udev, 1);
|
|
|
|
diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
|
|
index e04462b60756..f505e4ca6d58 100644
|
|
--- a/drivers/edac/sb_edac.c
|
|
+++ b/drivers/edac/sb_edac.c
|
|
@@ -270,8 +270,9 @@ static const u32 correrrthrsld[] = {
|
|
* sbridge structs
|
|
*/
|
|
|
|
-#define NUM_CHANNELS 4
|
|
-#define MAX_DIMMS 3 /* Max DIMMS per channel */
|
|
+#define NUM_CHANNELS 4
|
|
+#define MAX_DIMMS 3 /* Max DIMMS per channel */
|
|
+#define CHANNEL_UNSPECIFIED 0xf /* Intel IA32 SDM 15-14 */
|
|
|
|
struct sbridge_info {
|
|
u32 mcmtr;
|
|
@@ -1451,6 +1452,9 @@ static void sbridge_mce_output_error(struct mem_ctl_info *mci,
|
|
|
|
/* FIXME: need support for channel mask */
|
|
|
|
+ if (channel == CHANNEL_UNSPECIFIED)
|
|
+ channel = -1;
|
|
+
|
|
/* Call the helper to output message */
|
|
edac_mc_handle_error(tp_event, mci, core_err_cnt,
|
|
m->addr >> PAGE_SHIFT, m->addr & ~PAGE_MASK, 0,
|
|
diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c
|
|
index 5d204492c603..161dcba13c47 100644
|
|
--- a/drivers/net/ethernet/broadcom/bnx2.c
|
|
+++ b/drivers/net/ethernet/broadcom/bnx2.c
|
|
@@ -2869,7 +2869,7 @@ bnx2_tx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget)
|
|
sw_cons = BNX2_NEXT_TX_BD(sw_cons);
|
|
|
|
tx_bytes += skb->len;
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
tx_pkt++;
|
|
if (tx_pkt == budget)
|
|
break;
|
|
@@ -6610,7 +6610,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
|
|
mapping = dma_map_single(&bp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
|
|
if (dma_mapping_error(&bp->pdev->dev, mapping)) {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
@@ -6703,7 +6703,7 @@ dma_error:
|
|
PCI_DMA_TODEVICE);
|
|
}
|
|
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
|
|
index 8c1eab1151b8..680d26d6d2c3 100644
|
|
--- a/drivers/net/ethernet/broadcom/tg3.c
|
|
+++ b/drivers/net/ethernet/broadcom/tg3.c
|
|
@@ -6437,7 +6437,7 @@ static void tg3_tx(struct tg3_napi *tnapi)
|
|
pkts_compl++;
|
|
bytes_compl += skb->len;
|
|
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
|
|
if (unlikely(tx_bug)) {
|
|
tg3_tx_recover(tp);
|
|
@@ -6769,7 +6769,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
|
|
if (len > (tp->dev->mtu + ETH_HLEN) &&
|
|
skb->protocol != htons(ETH_P_8021Q) &&
|
|
skb->protocol != htons(ETH_P_8021AD)) {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
goto drop_it_no_recycle;
|
|
}
|
|
|
|
@@ -7652,7 +7652,7 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
|
|
PCI_DMA_TODEVICE);
|
|
/* Make sure the mapping succeeded */
|
|
if (pci_dma_mapping_error(tp->pdev, new_addr)) {
|
|
- dev_kfree_skb(new_skb);
|
|
+ dev_kfree_skb_any(new_skb);
|
|
ret = -1;
|
|
} else {
|
|
u32 save_entry = *entry;
|
|
@@ -7667,13 +7667,13 @@ static int tigon3_dma_hwbug_workaround(struct tg3_napi *tnapi,
|
|
new_skb->len, base_flags,
|
|
mss, vlan)) {
|
|
tg3_tx_skb_unmap(tnapi, save_entry, -1);
|
|
- dev_kfree_skb(new_skb);
|
|
+ dev_kfree_skb_any(new_skb);
|
|
ret = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
*pskb = new_skb;
|
|
return ret;
|
|
}
|
|
@@ -7716,7 +7716,7 @@ static int tg3_tso_bug(struct tg3 *tp, struct sk_buff *skb)
|
|
} while (segs);
|
|
|
|
tg3_tso_bug_end:
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
@@ -7954,7 +7954,7 @@ dma_error:
|
|
tg3_tx_skb_unmap(tnapi, tnapi->tx_prod, --i);
|
|
tnapi->tx_buffers[tnapi->tx_prod].skb = NULL;
|
|
drop:
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
drop_nofree:
|
|
tp->tx_dropped++;
|
|
return NETDEV_TX_OK;
|
|
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
|
|
index d81a7dbfeef6..88e85cb88342 100644
|
|
--- a/drivers/net/ethernet/emulex/benet/be_main.c
|
|
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
|
|
@@ -1767,7 +1767,7 @@ static u16 be_tx_compl_process(struct be_adapter *adapter,
|
|
queue_tail_inc(txq);
|
|
} while (cur_index != last_index);
|
|
|
|
- kfree_skb(sent_skb);
|
|
+ dev_kfree_skb_any(sent_skb);
|
|
return num_wrbs;
|
|
}
|
|
|
|
diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
|
|
index fce3e92f9d11..c5a9dcc01ca8 100644
|
|
--- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c
|
|
+++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c
|
|
@@ -1527,12 +1527,12 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
|
|
int tso;
|
|
|
|
if (test_bit(__IXGB_DOWN, &adapter->flags)) {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
if (skb->len <= 0) {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
@@ -1549,7 +1549,7 @@ ixgb_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
|
|
|
|
tso = ixgb_tso(adapter, skb);
|
|
if (tso < 0) {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
|
|
index 064425d3178d..437d4cfd42cc 100644
|
|
--- a/drivers/net/ethernet/realtek/8139cp.c
|
|
+++ b/drivers/net/ethernet/realtek/8139cp.c
|
|
@@ -899,7 +899,7 @@ out_unlock:
|
|
|
|
return NETDEV_TX_OK;
|
|
out_dma_error:
|
|
- kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
cp->dev->stats.tx_dropped++;
|
|
goto out_unlock;
|
|
}
|
|
diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c
|
|
index 3ccedeb8aba0..942673fcb391 100644
|
|
--- a/drivers/net/ethernet/realtek/8139too.c
|
|
+++ b/drivers/net/ethernet/realtek/8139too.c
|
|
@@ -1715,9 +1715,9 @@ static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
|
|
if (len < ETH_ZLEN)
|
|
memset(tp->tx_buf[entry], 0, ETH_ZLEN);
|
|
skb_copy_and_csum_dev(skb, tp->tx_buf[entry]);
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
} else {
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
dev->stats.tx_dropped++;
|
|
return NETDEV_TX_OK;
|
|
}
|
|
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
|
|
index e9b5d77a90db..2183c6189148 100644
|
|
--- a/drivers/net/ethernet/realtek/r8169.c
|
|
+++ b/drivers/net/ethernet/realtek/r8169.c
|
|
@@ -5768,7 +5768,7 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
|
|
tp->TxDescArray + entry);
|
|
if (skb) {
|
|
tp->dev->stats.tx_dropped++;
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
tx_skb->skb = NULL;
|
|
}
|
|
}
|
|
@@ -5993,7 +5993,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
|
|
err_dma_1:
|
|
rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
|
|
err_dma_0:
|
|
- dev_kfree_skb(skb);
|
|
+ dev_kfree_skb_any(skb);
|
|
err_update_stats:
|
|
dev->stats.tx_dropped++;
|
|
return NETDEV_TX_OK;
|
|
@@ -6076,7 +6076,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
|
|
tp->tx_stats.packets++;
|
|
tp->tx_stats.bytes += tx_skb->skb->len;
|
|
u64_stats_update_end(&tp->tx_stats.syncp);
|
|
- dev_kfree_skb(tx_skb->skb);
|
|
+ dev_kfree_skb_any(tx_skb->skb);
|
|
tx_skb->skb = NULL;
|
|
}
|
|
dirty_tx++;
|
|
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
|
|
index 345b5ddcb1a0..86281fa5dcc3 100644
|
|
--- a/drivers/tty/serial/8250/8250_dw.c
|
|
+++ b/drivers/tty/serial/8250/8250_dw.c
|
|
@@ -98,7 +98,10 @@ static void dw8250_serial_out(struct uart_port *p, int offset, int value)
|
|
dw8250_force_idle(p);
|
|
writeb(value, p->membase + (UART_LCR << p->regshift));
|
|
}
|
|
- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
|
|
+ /*
|
|
+ * FIXME: this deadlocks if port->lock is already held
|
|
+ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
|
|
+ */
|
|
}
|
|
}
|
|
|
|
@@ -128,7 +131,10 @@ static void dw8250_serial_out32(struct uart_port *p, int offset, int value)
|
|
dw8250_force_idle(p);
|
|
writel(value, p->membase + (UART_LCR << p->regshift));
|
|
}
|
|
- dev_err(p->dev, "Couldn't set LCR to %d\n", value);
|
|
+ /*
|
|
+ * FIXME: this deadlocks if port->lock is already held
|
|
+ * dev_err(p->dev, "Couldn't set LCR to %d\n", value);
|
|
+ */
|
|
}
|
|
}
|
|
|
|
diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c
|
|
index d9a43674cb94..9cca0ea4e479 100644
|
|
--- a/fs/affs/amigaffs.c
|
|
+++ b/fs/affs/amigaffs.c
|
|
@@ -126,7 +126,7 @@ affs_fix_dcache(struct inode *inode, u32 entry_ino)
|
|
{
|
|
struct dentry *dentry;
|
|
spin_lock(&inode->i_lock);
|
|
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
|
|
if (entry_ino == (u32)(long)dentry->d_fsdata) {
|
|
dentry->d_fsdata = (void *)inode->i_ino;
|
|
break;
|
|
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
|
|
index 13ddec92341c..8ad277990eac 100644
|
|
--- a/fs/autofs4/expire.c
|
|
+++ b/fs/autofs4/expire.c
|
|
@@ -91,7 +91,7 @@ static struct dentry *get_next_positive_subdir(struct dentry *prev,
|
|
spin_lock(&root->d_lock);
|
|
|
|
if (prev)
|
|
- next = prev->d_u.d_child.next;
|
|
+ next = prev->d_child.next;
|
|
else {
|
|
prev = dget_dlock(root);
|
|
next = prev->d_subdirs.next;
|
|
@@ -105,13 +105,13 @@ cont:
|
|
return NULL;
|
|
}
|
|
|
|
- q = list_entry(next, struct dentry, d_u.d_child);
|
|
+ q = list_entry(next, struct dentry, d_child);
|
|
|
|
spin_lock_nested(&q->d_lock, DENTRY_D_LOCK_NESTED);
|
|
/* Already gone or negative dentry (under construction) - try next */
|
|
if (q->d_count == 0 || !simple_positive(q)) {
|
|
spin_unlock(&q->d_lock);
|
|
- next = q->d_u.d_child.next;
|
|
+ next = q->d_child.next;
|
|
goto cont;
|
|
}
|
|
dget_dlock(q);
|
|
@@ -161,13 +161,13 @@ again:
|
|
goto relock;
|
|
}
|
|
spin_unlock(&p->d_lock);
|
|
- next = p->d_u.d_child.next;
|
|
+ next = p->d_child.next;
|
|
p = parent;
|
|
if (next != &parent->d_subdirs)
|
|
break;
|
|
}
|
|
}
|
|
- ret = list_entry(next, struct dentry, d_u.d_child);
|
|
+ ret = list_entry(next, struct dentry, d_child);
|
|
|
|
spin_lock_nested(&ret->d_lock, DENTRY_D_LOCK_NESTED);
|
|
/* Negative dentry - try next */
|
|
@@ -447,7 +447,7 @@ found:
|
|
spin_lock(&sbi->lookup_lock);
|
|
spin_lock(&expired->d_parent->d_lock);
|
|
spin_lock_nested(&expired->d_lock, DENTRY_D_LOCK_NESTED);
|
|
- list_move(&expired->d_parent->d_subdirs, &expired->d_u.d_child);
|
|
+ list_move(&expired->d_parent->d_subdirs, &expired->d_child);
|
|
spin_unlock(&expired->d_lock);
|
|
spin_unlock(&expired->d_parent->d_lock);
|
|
spin_unlock(&sbi->lookup_lock);
|
|
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
|
|
index 085da86e07c2..79ab4cb3590a 100644
|
|
--- a/fs/autofs4/root.c
|
|
+++ b/fs/autofs4/root.c
|
|
@@ -655,7 +655,7 @@ static void autofs_clear_leaf_automount_flags(struct dentry *dentry)
|
|
/* only consider parents below dentrys in the root */
|
|
if (IS_ROOT(parent->d_parent))
|
|
return;
|
|
- d_child = &dentry->d_u.d_child;
|
|
+ d_child = &dentry->d_child;
|
|
/* Set parent managed if it's becoming empty */
|
|
if (d_child->next == &parent->d_subdirs &&
|
|
d_child->prev == &parent->d_subdirs)
|
|
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
|
|
index f02d82b7933e..ccb43298e272 100644
|
|
--- a/fs/ceph/dir.c
|
|
+++ b/fs/ceph/dir.c
|
|
@@ -103,7 +103,7 @@ static unsigned fpos_off(loff_t p)
|
|
/*
|
|
* When possible, we try to satisfy a readdir by peeking at the
|
|
* dcache. We make this work by carefully ordering dentries on
|
|
- * d_u.d_child when we initially get results back from the MDS, and
|
|
+ * d_child when we initially get results back from the MDS, and
|
|
* falling back to a "normal" sync readdir if any dentries in the dir
|
|
* are dropped.
|
|
*
|
|
@@ -139,11 +139,11 @@ static int __dcache_readdir(struct file *filp,
|
|
p = parent->d_subdirs.prev;
|
|
dout(" initial p %p/%p\n", p->prev, p->next);
|
|
} else {
|
|
- p = last->d_u.d_child.prev;
|
|
+ p = last->d_child.prev;
|
|
}
|
|
|
|
more:
|
|
- dentry = list_entry(p, struct dentry, d_u.d_child);
|
|
+ dentry = list_entry(p, struct dentry, d_child);
|
|
di = ceph_dentry(dentry);
|
|
while (1) {
|
|
dout(" p %p/%p %s d_subdirs %p/%p\n", p->prev, p->next,
|
|
@@ -165,7 +165,7 @@ more:
|
|
!dentry->d_inode ? " null" : "");
|
|
spin_unlock(&dentry->d_lock);
|
|
p = p->prev;
|
|
- dentry = list_entry(p, struct dentry, d_u.d_child);
|
|
+ dentry = list_entry(p, struct dentry, d_child);
|
|
di = ceph_dentry(dentry);
|
|
}
|
|
|
|
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
|
|
index be0f7e20d62e..0cf23a7b88c2 100644
|
|
--- a/fs/ceph/inode.c
|
|
+++ b/fs/ceph/inode.c
|
|
@@ -867,9 +867,9 @@ static void ceph_set_dentry_offset(struct dentry *dn)
|
|
|
|
spin_lock(&dir->d_lock);
|
|
spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
|
|
- list_move(&dn->d_u.d_child, &dir->d_subdirs);
|
|
+ list_move(&dn->d_child, &dir->d_subdirs);
|
|
dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
|
|
- dn->d_u.d_child.prev, dn->d_u.d_child.next);
|
|
+ dn->d_child.prev, dn->d_child.next);
|
|
spin_unlock(&dn->d_lock);
|
|
spin_unlock(&dir->d_lock);
|
|
}
|
|
@@ -1296,7 +1296,7 @@ retry_lookup:
|
|
/* reorder parent's d_subdirs */
|
|
spin_lock(&parent->d_lock);
|
|
spin_lock_nested(&dn->d_lock, DENTRY_D_LOCK_NESTED);
|
|
- list_move(&dn->d_u.d_child, &parent->d_subdirs);
|
|
+ list_move(&dn->d_child, &parent->d_subdirs);
|
|
spin_unlock(&dn->d_lock);
|
|
spin_unlock(&parent->d_lock);
|
|
}
|
|
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
|
|
index 0dee93706c98..54304ccae7e7 100644
|
|
--- a/fs/cifs/inode.c
|
|
+++ b/fs/cifs/inode.c
|
|
@@ -832,7 +832,7 @@ inode_has_hashed_dentries(struct inode *inode)
|
|
struct dentry *dentry;
|
|
|
|
spin_lock(&inode->i_lock);
|
|
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
|
|
if (!d_unhashed(dentry) || IS_ROOT(dentry)) {
|
|
spin_unlock(&inode->i_lock);
|
|
return true;
|
|
diff --git a/fs/coda/cache.c b/fs/coda/cache.c
|
|
index 1da168c61d35..9bc1147a6c5d 100644
|
|
--- a/fs/coda/cache.c
|
|
+++ b/fs/coda/cache.c
|
|
@@ -92,7 +92,7 @@ static void coda_flag_children(struct dentry *parent, int flag)
|
|
struct dentry *de;
|
|
|
|
spin_lock(&parent->d_lock);
|
|
- list_for_each_entry(de, &parent->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry(de, &parent->d_subdirs, d_child) {
|
|
/* don't know what to do with negative dentries */
|
|
if (de->d_inode )
|
|
coda_flag_inode(de->d_inode, flag);
|
|
diff --git a/fs/dcache.c b/fs/dcache.c
|
|
index 25c0a1b5f6c0..efa4602e064f 100644
|
|
--- a/fs/dcache.c
|
|
+++ b/fs/dcache.c
|
|
@@ -43,7 +43,7 @@
|
|
/*
|
|
* Usage:
|
|
* dcache->d_inode->i_lock protects:
|
|
- * - i_dentry, d_alias, d_inode of aliases
|
|
+ * - i_dentry, d_u.d_alias, d_inode of aliases
|
|
* dcache_hash_bucket lock protects:
|
|
* - the dcache hash table
|
|
* s_anon bl list spinlock protects:
|
|
@@ -58,7 +58,7 @@
|
|
* - d_unhashed()
|
|
* - d_parent and d_subdirs
|
|
* - childrens' d_child and d_parent
|
|
- * - d_alias, d_inode
|
|
+ * - d_u.d_alias, d_inode
|
|
*
|
|
* Ordering:
|
|
* dentry->d_inode->i_lock
|
|
@@ -215,7 +215,6 @@ static void __d_free(struct rcu_head *head)
|
|
{
|
|
struct dentry *dentry = container_of(head, struct dentry, d_u.d_rcu);
|
|
|
|
- WARN_ON(!hlist_unhashed(&dentry->d_alias));
|
|
if (dname_external(dentry))
|
|
kfree(dentry->d_name.name);
|
|
kmem_cache_free(dentry_cache, dentry);
|
|
@@ -226,6 +225,7 @@ static void __d_free(struct rcu_head *head)
|
|
*/
|
|
static void d_free(struct dentry *dentry)
|
|
{
|
|
+ WARN_ON(!hlist_unhashed(&dentry->d_u.d_alias));
|
|
BUG_ON(dentry->d_count);
|
|
this_cpu_dec(nr_dentry);
|
|
if (dentry->d_op && dentry->d_op->d_release)
|
|
@@ -264,7 +264,7 @@ static void dentry_iput(struct dentry * dentry)
|
|
struct inode *inode = dentry->d_inode;
|
|
if (inode) {
|
|
dentry->d_inode = NULL;
|
|
- hlist_del_init(&dentry->d_alias);
|
|
+ hlist_del_init(&dentry->d_u.d_alias);
|
|
spin_unlock(&dentry->d_lock);
|
|
spin_unlock(&inode->i_lock);
|
|
if (!inode->i_nlink)
|
|
@@ -288,7 +288,7 @@ static void dentry_unlink_inode(struct dentry * dentry)
|
|
{
|
|
struct inode *inode = dentry->d_inode;
|
|
dentry->d_inode = NULL;
|
|
- hlist_del_init(&dentry->d_alias);
|
|
+ hlist_del_init(&dentry->d_u.d_alias);
|
|
dentry_rcuwalk_barrier(dentry);
|
|
spin_unlock(&dentry->d_lock);
|
|
spin_unlock(&inode->i_lock);
|
|
@@ -364,9 +364,9 @@ static struct dentry *d_kill(struct dentry *dentry, struct dentry *parent)
|
|
__releases(parent->d_lock)
|
|
__releases(dentry->d_inode->i_lock)
|
|
{
|
|
- list_del(&dentry->d_u.d_child);
|
|
+ __list_del_entry(&dentry->d_child);
|
|
/*
|
|
- * Inform try_to_ascend() that we are no longer attached to the
|
|
+ * Inform ascending readers that we are no longer attached to the
|
|
* dentry tree
|
|
*/
|
|
dentry->d_flags |= DCACHE_DENTRY_KILLED;
|
|
@@ -660,7 +660,7 @@ static struct dentry *__d_find_alias(struct inode *inode, int want_discon)
|
|
|
|
again:
|
|
discon_alias = NULL;
|
|
- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
|
|
spin_lock(&alias->d_lock);
|
|
if (S_ISDIR(inode->i_mode) || !d_unhashed(alias)) {
|
|
if (IS_ROOT(alias) &&
|
|
@@ -713,7 +713,7 @@ void d_prune_aliases(struct inode *inode)
|
|
struct dentry *dentry;
|
|
restart:
|
|
spin_lock(&inode->i_lock);
|
|
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
|
|
spin_lock(&dentry->d_lock);
|
|
if (!dentry->d_count) {
|
|
__dget_dlock(dentry);
|
|
@@ -893,7 +893,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
|
|
/* descend to the first leaf in the current subtree */
|
|
while (!list_empty(&dentry->d_subdirs))
|
|
dentry = list_entry(dentry->d_subdirs.next,
|
|
- struct dentry, d_u.d_child);
|
|
+ struct dentry, d_child);
|
|
|
|
/* consume the dentries from this leaf up through its parents
|
|
* until we find one with children or run out altogether */
|
|
@@ -927,17 +927,17 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
|
|
|
|
if (IS_ROOT(dentry)) {
|
|
parent = NULL;
|
|
- list_del(&dentry->d_u.d_child);
|
|
+ list_del(&dentry->d_child);
|
|
} else {
|
|
parent = dentry->d_parent;
|
|
parent->d_count--;
|
|
- list_del(&dentry->d_u.d_child);
|
|
+ list_del(&dentry->d_child);
|
|
}
|
|
|
|
inode = dentry->d_inode;
|
|
if (inode) {
|
|
dentry->d_inode = NULL;
|
|
- hlist_del_init(&dentry->d_alias);
|
|
+ hlist_del_init(&dentry->d_u.d_alias);
|
|
if (dentry->d_op && dentry->d_op->d_iput)
|
|
dentry->d_op->d_iput(dentry, inode);
|
|
else
|
|
@@ -955,7 +955,7 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
|
|
} while (list_empty(&dentry->d_subdirs));
|
|
|
|
dentry = list_entry(dentry->d_subdirs.next,
|
|
- struct dentry, d_u.d_child);
|
|
+ struct dentry, d_child);
|
|
}
|
|
}
|
|
|
|
@@ -988,35 +988,6 @@ void shrink_dcache_for_umount(struct super_block *sb)
|
|
}
|
|
|
|
/*
|
|
- * This tries to ascend one level of parenthood, but
|
|
- * we can race with renaming, so we need to re-check
|
|
- * the parenthood after dropping the lock and check
|
|
- * that the sequence number still matches.
|
|
- */
|
|
-static struct dentry *try_to_ascend(struct dentry *old, int locked, unsigned seq)
|
|
-{
|
|
- struct dentry *new = old->d_parent;
|
|
-
|
|
- rcu_read_lock();
|
|
- spin_unlock(&old->d_lock);
|
|
- spin_lock(&new->d_lock);
|
|
-
|
|
- /*
|
|
- * might go back up the wrong parent if we have had a rename
|
|
- * or deletion
|
|
- */
|
|
- if (new != old->d_parent ||
|
|
- (old->d_flags & DCACHE_DENTRY_KILLED) ||
|
|
- (!locked && read_seqretry(&rename_lock, seq))) {
|
|
- spin_unlock(&new->d_lock);
|
|
- new = NULL;
|
|
- }
|
|
- rcu_read_unlock();
|
|
- return new;
|
|
-}
|
|
-
|
|
-
|
|
-/*
|
|
* Search for at least 1 mount point in the dentry's subdirs.
|
|
* We descend to the next level whenever the d_subdirs
|
|
* list is non-empty and continue searching.
|
|
@@ -1048,7 +1019,7 @@ repeat:
|
|
resume:
|
|
while (next != &this_parent->d_subdirs) {
|
|
struct list_head *tmp = next;
|
|
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
|
|
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
|
|
next = tmp->next;
|
|
|
|
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
|
|
@@ -1070,30 +1041,48 @@ resume:
|
|
/*
|
|
* All done at this level ... ascend and resume the search.
|
|
*/
|
|
+ rcu_read_lock();
|
|
+ascend:
|
|
if (this_parent != parent) {
|
|
struct dentry *child = this_parent;
|
|
- this_parent = try_to_ascend(this_parent, locked, seq);
|
|
- if (!this_parent)
|
|
+ this_parent = child->d_parent;
|
|
+
|
|
+ spin_unlock(&child->d_lock);
|
|
+ spin_lock(&this_parent->d_lock);
|
|
+
|
|
+ /* might go back up the wrong parent if we have had a rename. */
|
|
+ if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
- next = child->d_u.d_child.next;
|
|
+ next = child->d_child.next;
|
|
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
|
|
+ if (next == &this_parent->d_subdirs)
|
|
+ goto ascend;
|
|
+ child = list_entry(next, struct dentry, d_child);
|
|
+ next = next->next;
|
|
+ }
|
|
+ rcu_read_unlock();
|
|
goto resume;
|
|
}
|
|
- spin_unlock(&this_parent->d_lock);
|
|
if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (locked)
|
|
write_sequnlock(&rename_lock);
|
|
return 0; /* No mount points found in tree */
|
|
positive:
|
|
if (!locked && read_seqretry(&rename_lock, seq))
|
|
- goto rename_retry;
|
|
+ goto rename_retry_unlocked;
|
|
if (locked)
|
|
write_sequnlock(&rename_lock);
|
|
return 1;
|
|
|
|
rename_retry:
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (locked)
|
|
goto again;
|
|
+rename_retry_unlocked:
|
|
locked = 1;
|
|
write_seqlock(&rename_lock);
|
|
goto again;
|
|
@@ -1131,7 +1120,7 @@ repeat:
|
|
resume:
|
|
while (next != &this_parent->d_subdirs) {
|
|
struct list_head *tmp = next;
|
|
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
|
|
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
|
|
next = tmp->next;
|
|
|
|
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
|
|
@@ -1158,6 +1147,7 @@ resume:
|
|
*/
|
|
if (found && need_resched()) {
|
|
spin_unlock(&dentry->d_lock);
|
|
+ rcu_read_lock();
|
|
goto out;
|
|
}
|
|
|
|
@@ -1177,23 +1167,40 @@ resume:
|
|
/*
|
|
* All done at this level ... ascend and resume the search.
|
|
*/
|
|
+ rcu_read_lock();
|
|
+ascend:
|
|
if (this_parent != parent) {
|
|
struct dentry *child = this_parent;
|
|
- this_parent = try_to_ascend(this_parent, locked, seq);
|
|
- if (!this_parent)
|
|
+ this_parent = child->d_parent;
|
|
+
|
|
+ spin_unlock(&child->d_lock);
|
|
+ spin_lock(&this_parent->d_lock);
|
|
+
|
|
+ /* might go back up the wrong parent if we have had a rename. */
|
|
+ if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
- next = child->d_u.d_child.next;
|
|
+ next = child->d_child.next;
|
|
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
|
|
+ if (next == &this_parent->d_subdirs)
|
|
+ goto ascend;
|
|
+ child = list_entry(next, struct dentry, d_child);
|
|
+ next = next->next;
|
|
+ }
|
|
+ rcu_read_unlock();
|
|
goto resume;
|
|
}
|
|
out:
|
|
- spin_unlock(&this_parent->d_lock);
|
|
if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (locked)
|
|
write_sequnlock(&rename_lock);
|
|
return found;
|
|
|
|
rename_retry:
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (found)
|
|
return found;
|
|
if (locked)
|
|
@@ -1278,8 +1285,8 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name)
|
|
INIT_HLIST_BL_NODE(&dentry->d_hash);
|
|
INIT_LIST_HEAD(&dentry->d_lru);
|
|
INIT_LIST_HEAD(&dentry->d_subdirs);
|
|
- INIT_HLIST_NODE(&dentry->d_alias);
|
|
- INIT_LIST_HEAD(&dentry->d_u.d_child);
|
|
+ INIT_HLIST_NODE(&dentry->d_u.d_alias);
|
|
+ INIT_LIST_HEAD(&dentry->d_child);
|
|
d_set_d_op(dentry, dentry->d_sb->s_d_op);
|
|
|
|
this_cpu_inc(nr_dentry);
|
|
@@ -1309,7 +1316,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
|
|
*/
|
|
__dget_dlock(parent);
|
|
dentry->d_parent = parent;
|
|
- list_add(&dentry->d_u.d_child, &parent->d_subdirs);
|
|
+ list_add(&dentry->d_child, &parent->d_subdirs);
|
|
spin_unlock(&parent->d_lock);
|
|
|
|
return dentry;
|
|
@@ -1369,7 +1376,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
|
|
if (inode) {
|
|
if (unlikely(IS_AUTOMOUNT(inode)))
|
|
dentry->d_flags |= DCACHE_NEED_AUTOMOUNT;
|
|
- hlist_add_head(&dentry->d_alias, &inode->i_dentry);
|
|
+ hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry);
|
|
}
|
|
dentry->d_inode = inode;
|
|
dentry_rcuwalk_barrier(dentry);
|
|
@@ -1394,7 +1401,7 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
|
|
|
|
void d_instantiate(struct dentry *entry, struct inode * inode)
|
|
{
|
|
- BUG_ON(!hlist_unhashed(&entry->d_alias));
|
|
+ BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
|
|
if (inode)
|
|
spin_lock(&inode->i_lock);
|
|
__d_instantiate(entry, inode);
|
|
@@ -1433,7 +1440,7 @@ static struct dentry *__d_instantiate_unique(struct dentry *entry,
|
|
return NULL;
|
|
}
|
|
|
|
- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
|
|
/*
|
|
* Don't need alias->d_lock here, because aliases with
|
|
* d_parent == entry->d_parent are not subject to name or
|
|
@@ -1459,7 +1466,7 @@ struct dentry *d_instantiate_unique(struct dentry *entry, struct inode *inode)
|
|
{
|
|
struct dentry *result;
|
|
|
|
- BUG_ON(!hlist_unhashed(&entry->d_alias));
|
|
+ BUG_ON(!hlist_unhashed(&entry->d_u.d_alias));
|
|
|
|
if (inode)
|
|
spin_lock(&inode->i_lock);
|
|
@@ -1502,7 +1509,7 @@ static struct dentry * __d_find_any_alias(struct inode *inode)
|
|
|
|
if (hlist_empty(&inode->i_dentry))
|
|
return NULL;
|
|
- alias = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
|
|
+ alias = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
|
|
__dget(alias);
|
|
return alias;
|
|
}
|
|
@@ -1576,7 +1583,7 @@ struct dentry *d_obtain_alias(struct inode *inode)
|
|
spin_lock(&tmp->d_lock);
|
|
tmp->d_inode = inode;
|
|
tmp->d_flags |= DCACHE_DISCONNECTED;
|
|
- hlist_add_head(&tmp->d_alias, &inode->i_dentry);
|
|
+ hlist_add_head(&tmp->d_u.d_alias, &inode->i_dentry);
|
|
hlist_bl_lock(&tmp->d_sb->s_anon);
|
|
hlist_bl_add_head(&tmp->d_hash, &tmp->d_sb->s_anon);
|
|
hlist_bl_unlock(&tmp->d_sb->s_anon);
|
|
@@ -2019,7 +2026,7 @@ int d_validate(struct dentry *dentry, struct dentry *dparent)
|
|
struct dentry *child;
|
|
|
|
spin_lock(&dparent->d_lock);
|
|
- list_for_each_entry(child, &dparent->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry(child, &dparent->d_subdirs, d_child) {
|
|
if (dentry == child) {
|
|
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
|
|
__dget_dlock(dentry);
|
|
@@ -2266,8 +2273,8 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
|
|
/* Unhash the target: dput() will then get rid of it */
|
|
__d_drop(target);
|
|
|
|
- list_del(&dentry->d_u.d_child);
|
|
- list_del(&target->d_u.d_child);
|
|
+ list_del(&dentry->d_child);
|
|
+ list_del(&target->d_child);
|
|
|
|
/* Switch the names.. */
|
|
switch_names(dentry, target);
|
|
@@ -2277,15 +2284,15 @@ static void __d_move(struct dentry * dentry, struct dentry * target)
|
|
if (IS_ROOT(dentry)) {
|
|
dentry->d_parent = target->d_parent;
|
|
target->d_parent = target;
|
|
- INIT_LIST_HEAD(&target->d_u.d_child);
|
|
+ INIT_LIST_HEAD(&target->d_child);
|
|
} else {
|
|
swap(dentry->d_parent, target->d_parent);
|
|
|
|
/* And add them back to the (new) parent lists */
|
|
- list_add(&target->d_u.d_child, &target->d_parent->d_subdirs);
|
|
+ list_add(&target->d_child, &target->d_parent->d_subdirs);
|
|
}
|
|
|
|
- list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
|
|
+ list_add(&dentry->d_child, &dentry->d_parent->d_subdirs);
|
|
|
|
write_seqcount_end(&target->d_seq);
|
|
write_seqcount_end(&dentry->d_seq);
|
|
@@ -2392,9 +2399,9 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
|
|
swap(dentry->d_name.hash, anon->d_name.hash);
|
|
|
|
dentry->d_parent = dentry;
|
|
- list_del_init(&dentry->d_u.d_child);
|
|
+ list_del_init(&dentry->d_child);
|
|
anon->d_parent = dparent;
|
|
- list_move(&anon->d_u.d_child, &dparent->d_subdirs);
|
|
+ list_move(&anon->d_child, &dparent->d_subdirs);
|
|
|
|
write_seqcount_end(&dentry->d_seq);
|
|
write_seqcount_end(&anon->d_seq);
|
|
@@ -2933,7 +2940,7 @@ repeat:
|
|
resume:
|
|
while (next != &this_parent->d_subdirs) {
|
|
struct list_head *tmp = next;
|
|
- struct dentry *dentry = list_entry(tmp, struct dentry, d_u.d_child);
|
|
+ struct dentry *dentry = list_entry(tmp, struct dentry, d_child);
|
|
next = tmp->next;
|
|
|
|
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
|
|
@@ -2954,26 +2961,43 @@ resume:
|
|
}
|
|
spin_unlock(&dentry->d_lock);
|
|
}
|
|
+ rcu_read_lock();
|
|
+ascend:
|
|
if (this_parent != root) {
|
|
struct dentry *child = this_parent;
|
|
if (!(this_parent->d_flags & DCACHE_GENOCIDE)) {
|
|
this_parent->d_flags |= DCACHE_GENOCIDE;
|
|
this_parent->d_count--;
|
|
}
|
|
- this_parent = try_to_ascend(this_parent, locked, seq);
|
|
- if (!this_parent)
|
|
+ this_parent = child->d_parent;
|
|
+
|
|
+ spin_unlock(&child->d_lock);
|
|
+ spin_lock(&this_parent->d_lock);
|
|
+
|
|
+ /* might go back up the wrong parent if we have had a rename. */
|
|
+ if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
- next = child->d_u.d_child.next;
|
|
+ next = child->d_child.next;
|
|
+ while (unlikely(child->d_flags & DCACHE_DENTRY_KILLED)) {
|
|
+ if (next == &this_parent->d_subdirs)
|
|
+ goto ascend;
|
|
+ child = list_entry(next, struct dentry, d_child);
|
|
+ next = next->next;
|
|
+ }
|
|
+ rcu_read_unlock();
|
|
goto resume;
|
|
}
|
|
- spin_unlock(&this_parent->d_lock);
|
|
if (!locked && read_seqretry(&rename_lock, seq))
|
|
goto rename_retry;
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (locked)
|
|
write_sequnlock(&rename_lock);
|
|
return;
|
|
|
|
rename_retry:
|
|
+ spin_unlock(&this_parent->d_lock);
|
|
+ rcu_read_unlock();
|
|
if (locked)
|
|
goto again;
|
|
locked = 1;
|
|
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
|
|
index 7269ec329c01..26d7fff8d78e 100644
|
|
--- a/fs/debugfs/inode.c
|
|
+++ b/fs/debugfs/inode.c
|
|
@@ -545,7 +545,7 @@ void debugfs_remove_recursive(struct dentry *dentry)
|
|
parent = dentry;
|
|
down:
|
|
mutex_lock(&parent->d_inode->i_mutex);
|
|
- list_for_each_entry_safe(child, next, &parent->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry_safe(child, next, &parent->d_subdirs, d_child) {
|
|
if (!debugfs_positive(child))
|
|
continue;
|
|
|
|
@@ -566,8 +566,8 @@ void debugfs_remove_recursive(struct dentry *dentry)
|
|
mutex_lock(&parent->d_inode->i_mutex);
|
|
|
|
if (child != dentry) {
|
|
- next = list_entry(child->d_u.d_child.next, struct dentry,
|
|
- d_u.d_child);
|
|
+ next = list_entry(child->d_child.next, struct dentry,
|
|
+ d_child);
|
|
goto up;
|
|
}
|
|
|
|
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
|
|
index 262fc9940982..b4eec4c9a790 100644
|
|
--- a/fs/exportfs/expfs.c
|
|
+++ b/fs/exportfs/expfs.c
|
|
@@ -50,7 +50,7 @@ find_acceptable_alias(struct dentry *result,
|
|
|
|
inode = result->d_inode;
|
|
spin_lock(&inode->i_lock);
|
|
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
|
|
dget(dentry);
|
|
spin_unlock(&inode->i_lock);
|
|
if (toput)
|
|
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
|
|
index c450fdb3d78d..5d876b1c9ea4 100644
|
|
--- a/fs/jfs/jfs_dtree.c
|
|
+++ b/fs/jfs/jfs_dtree.c
|
|
@@ -3103,7 +3103,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
|
|
* self "."
|
|
*/
|
|
filp->f_pos = 1;
|
|
- if (filldir(dirent, ".", 1, 0, ip->i_ino,
|
|
+ if (filldir(dirent, ".", 1, 1, ip->i_ino,
|
|
DT_DIR))
|
|
return 0;
|
|
}
|
|
@@ -3111,7 +3111,7 @@ int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
|
|
* parent ".."
|
|
*/
|
|
filp->f_pos = 2;
|
|
- if (filldir(dirent, "..", 2, 1, PARENT(ip), DT_DIR))
|
|
+ if (filldir(dirent, "..", 2, 2, PARENT(ip), DT_DIR))
|
|
return 0;
|
|
|
|
/*
|
|
diff --git a/fs/libfs.c b/fs/libfs.c
|
|
index 916da8c4158b..1299bd5e07b7 100644
|
|
--- a/fs/libfs.c
|
|
+++ b/fs/libfs.c
|
|
@@ -104,18 +104,18 @@ loff_t dcache_dir_lseek(struct file *file, loff_t offset, int whence)
|
|
|
|
spin_lock(&dentry->d_lock);
|
|
/* d_lock not required for cursor */
|
|
- list_del(&cursor->d_u.d_child);
|
|
+ list_del(&cursor->d_child);
|
|
p = dentry->d_subdirs.next;
|
|
while (n && p != &dentry->d_subdirs) {
|
|
struct dentry *next;
|
|
- next = list_entry(p, struct dentry, d_u.d_child);
|
|
+ next = list_entry(p, struct dentry, d_child);
|
|
spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
|
|
if (simple_positive(next))
|
|
n--;
|
|
spin_unlock(&next->d_lock);
|
|
p = p->next;
|
|
}
|
|
- list_add_tail(&cursor->d_u.d_child, p);
|
|
+ list_add_tail(&cursor->d_child, p);
|
|
spin_unlock(&dentry->d_lock);
|
|
}
|
|
}
|
|
@@ -139,7 +139,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
|
|
{
|
|
struct dentry *dentry = filp->f_path.dentry;
|
|
struct dentry *cursor = filp->private_data;
|
|
- struct list_head *p, *q = &cursor->d_u.d_child;
|
|
+ struct list_head *p, *q = &cursor->d_child;
|
|
ino_t ino;
|
|
int i = filp->f_pos;
|
|
|
|
@@ -165,7 +165,7 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir)
|
|
|
|
for (p=q->next; p != &dentry->d_subdirs; p=p->next) {
|
|
struct dentry *next;
|
|
- next = list_entry(p, struct dentry, d_u.d_child);
|
|
+ next = list_entry(p, struct dentry, d_child);
|
|
spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED);
|
|
if (!simple_positive(next)) {
|
|
spin_unlock(&next->d_lock);
|
|
@@ -289,7 +289,7 @@ int simple_empty(struct dentry *dentry)
|
|
int ret = 0;
|
|
|
|
spin_lock(&dentry->d_lock);
|
|
- list_for_each_entry(child, &dentry->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry(child, &dentry->d_subdirs, d_child) {
|
|
spin_lock_nested(&child->d_lock, DENTRY_D_LOCK_NESTED);
|
|
if (simple_positive(child)) {
|
|
spin_unlock(&child->d_lock);
|
|
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
|
|
index 6792ce11f2bf..c578ba9949e6 100644
|
|
--- a/fs/ncpfs/dir.c
|
|
+++ b/fs/ncpfs/dir.c
|
|
@@ -391,7 +391,7 @@ ncp_dget_fpos(struct dentry *dentry, struct dentry *parent, unsigned long fpos)
|
|
spin_lock(&parent->d_lock);
|
|
next = parent->d_subdirs.next;
|
|
while (next != &parent->d_subdirs) {
|
|
- dent = list_entry(next, struct dentry, d_u.d_child);
|
|
+ dent = list_entry(next, struct dentry, d_child);
|
|
if ((unsigned long)dent->d_fsdata == fpos) {
|
|
if (dent->d_inode)
|
|
dget(dent);
|
|
diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h
|
|
index 32c06587351a..6d5e7c56c79d 100644
|
|
--- a/fs/ncpfs/ncplib_kernel.h
|
|
+++ b/fs/ncpfs/ncplib_kernel.h
|
|
@@ -194,7 +194,7 @@ ncp_renew_dentries(struct dentry *parent)
|
|
spin_lock(&parent->d_lock);
|
|
next = parent->d_subdirs.next;
|
|
while (next != &parent->d_subdirs) {
|
|
- dentry = list_entry(next, struct dentry, d_u.d_child);
|
|
+ dentry = list_entry(next, struct dentry, d_child);
|
|
|
|
if (dentry->d_fsdata == NULL)
|
|
ncp_age_dentry(server, dentry);
|
|
@@ -216,7 +216,7 @@ ncp_invalidate_dircache_entries(struct dentry *parent)
|
|
spin_lock(&parent->d_lock);
|
|
next = parent->d_subdirs.next;
|
|
while (next != &parent->d_subdirs) {
|
|
- dentry = list_entry(next, struct dentry, d_u.d_child);
|
|
+ dentry = list_entry(next, struct dentry, d_child);
|
|
dentry->d_fsdata = NULL;
|
|
ncp_age_dentry(server, dentry);
|
|
next = next->next;
|
|
diff --git a/fs/nfs/getroot.c b/fs/nfs/getroot.c
|
|
index 44efaa8c5f78..0fe3ced6438c 100644
|
|
--- a/fs/nfs/getroot.c
|
|
+++ b/fs/nfs/getroot.c
|
|
@@ -58,7 +58,7 @@ static int nfs_superblock_set_dummy_root(struct super_block *sb, struct inode *i
|
|
*/
|
|
spin_lock(&sb->s_root->d_inode->i_lock);
|
|
spin_lock(&sb->s_root->d_lock);
|
|
- hlist_del_init(&sb->s_root->d_alias);
|
|
+ hlist_del_init(&sb->s_root->d_u.d_alias);
|
|
spin_unlock(&sb->s_root->d_lock);
|
|
spin_unlock(&sb->s_root->d_inode->i_lock);
|
|
}
|
|
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
|
|
index 4bb21d67d9b1..a3153e2d0f1f 100644
|
|
--- a/fs/notify/fsnotify.c
|
|
+++ b/fs/notify/fsnotify.c
|
|
@@ -63,14 +63,14 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
|
|
spin_lock(&inode->i_lock);
|
|
/* run all of the dentries associated with this inode. Since this is a
|
|
* directory, there damn well better only be one item on this list */
|
|
- hlist_for_each_entry(alias, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(alias, &inode->i_dentry, d_u.d_alias) {
|
|
struct dentry *child;
|
|
|
|
/* run all of the children of the original inode and fix their
|
|
* d_flags to indicate parental interest (their parent is the
|
|
* original inode) */
|
|
spin_lock(&alias->d_lock);
|
|
- list_for_each_entry(child, &alias->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry(child, &alias->d_subdirs, d_child) {
|
|
if (!child->d_inode)
|
|
continue;
|
|
|
|
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
|
|
index ef999729e274..ce37013b4a59 100644
|
|
--- a/fs/ocfs2/dcache.c
|
|
+++ b/fs/ocfs2/dcache.c
|
|
@@ -172,7 +172,7 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode,
|
|
struct dentry *dentry;
|
|
|
|
spin_lock(&inode->i_lock);
|
|
- hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) {
|
|
+ hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) {
|
|
spin_lock(&dentry->d_lock);
|
|
if (ocfs2_match_dentry(dentry, parent_blkno, skip_unhashed)) {
|
|
trace_ocfs2_find_local_alias(dentry->d_name.len,
|
|
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
|
|
index 8cd6474e248f..d0e8c0b1767f 100644
|
|
--- a/fs/ocfs2/file.c
|
|
+++ b/fs/ocfs2/file.c
|
|
@@ -2459,12 +2459,14 @@ static ssize_t ocfs2_file_splice_write(struct pipe_inode_info *pipe,
|
|
struct address_space *mapping = out->f_mapping;
|
|
struct inode *inode = mapping->host;
|
|
struct splice_desc sd = {
|
|
- .total_len = len,
|
|
.flags = flags,
|
|
- .pos = *ppos,
|
|
.u.file = out,
|
|
};
|
|
-
|
|
+ ret = generic_write_checks(out, ppos, &len, 0);
|
|
+ if(ret)
|
|
+ return ret;
|
|
+ sd.total_len = len;
|
|
+ sd.pos = *ppos;
|
|
|
|
trace_ocfs2_file_splice_write(inode, out, out->f_path.dentry,
|
|
(unsigned long long)OCFS2_I(inode)->ip_blkno,
|
|
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
|
|
index 157e474ab303..635a1425d370 100644
|
|
--- a/fs/reiserfs/reiserfs.h
|
|
+++ b/fs/reiserfs/reiserfs.h
|
|
@@ -1954,8 +1954,6 @@ struct treepath var = {.path_length = ILLEGAL_PATH_ELEMENT_OFFSET, .reada = 0,}
|
|
#define MAX_US_INT 0xffff
|
|
|
|
// reiserfs version 2 has max offset 60 bits. Version 1 - 32 bit offset
|
|
-#define U32_MAX (~(__u32)0)
|
|
-
|
|
static inline loff_t max_reiserfs_offset(struct inode *inode)
|
|
{
|
|
if (get_inode_item_key_version(inode) == KEY_FORMAT_3_5)
|
|
diff --git a/fs/splice.c b/fs/splice.c
|
|
index 4b5a5fac3383..f183f1342c01 100644
|
|
--- a/fs/splice.c
|
|
+++ b/fs/splice.c
|
|
@@ -1012,13 +1012,17 @@ generic_file_splice_write(struct pipe_inode_info *pipe, struct file *out,
|
|
struct address_space *mapping = out->f_mapping;
|
|
struct inode *inode = mapping->host;
|
|
struct splice_desc sd = {
|
|
- .total_len = len,
|
|
.flags = flags,
|
|
- .pos = *ppos,
|
|
.u.file = out,
|
|
};
|
|
ssize_t ret;
|
|
|
|
+ ret = generic_write_checks(out, ppos, &len, S_ISBLK(inode->i_mode));
|
|
+ if (ret)
|
|
+ return ret;
|
|
+ sd.total_len = len;
|
|
+ sd.pos = *ppos;
|
|
+
|
|
pipe_lock(pipe);
|
|
|
|
splice_from_pipe_begin(&sd);
|
|
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
|
|
index 17bccd3a4b03..dd6d9b89d338 100644
|
|
--- a/include/asm-generic/pgtable.h
|
|
+++ b/include/asm-generic/pgtable.h
|
|
@@ -550,11 +550,10 @@ static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd)
|
|
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
|
|
barrier();
|
|
#endif
|
|
- if (pmd_none(pmdval))
|
|
+ if (pmd_none(pmdval) || pmd_trans_huge(pmdval))
|
|
return 1;
|
|
if (unlikely(pmd_bad(pmdval))) {
|
|
- if (!pmd_trans_huge(pmdval))
|
|
- pmd_clear_bad(pmd);
|
|
+ pmd_clear_bad(pmd);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h
|
|
index 0442c3d800f0..a6ef9cc267ec 100644
|
|
--- a/include/linux/ceph/decode.h
|
|
+++ b/include/linux/ceph/decode.h
|
|
@@ -8,23 +8,6 @@
|
|
|
|
#include <linux/ceph/types.h>
|
|
|
|
-/* This seemed to be the easiest place to define these */
|
|
-
|
|
-#define U8_MAX ((u8)(~0U))
|
|
-#define U16_MAX ((u16)(~0U))
|
|
-#define U32_MAX ((u32)(~0U))
|
|
-#define U64_MAX ((u64)(~0ULL))
|
|
-
|
|
-#define S8_MAX ((s8)(U8_MAX >> 1))
|
|
-#define S16_MAX ((s16)(U16_MAX >> 1))
|
|
-#define S32_MAX ((s32)(U32_MAX >> 1))
|
|
-#define S64_MAX ((s64)(U64_MAX >> 1LL))
|
|
-
|
|
-#define S8_MIN ((s8)(-S8_MAX - 1))
|
|
-#define S16_MIN ((s16)(-S16_MAX - 1))
|
|
-#define S32_MIN ((s32)(-S32_MAX - 1))
|
|
-#define S64_MIN ((s64)(-S64_MAX - 1LL))
|
|
-
|
|
/*
|
|
* in all cases,
|
|
* void **p pointer to position pointer
|
|
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
|
|
index 9be5ac960fd8..c1999d1fe6f8 100644
|
|
--- a/include/linux/dcache.h
|
|
+++ b/include/linux/dcache.h
|
|
@@ -120,15 +120,15 @@ struct dentry {
|
|
void *d_fsdata; /* fs-specific data */
|
|
|
|
struct list_head d_lru; /* LRU list */
|
|
+ struct list_head d_child; /* child of parent list */
|
|
+ struct list_head d_subdirs; /* our children */
|
|
/*
|
|
- * d_child and d_rcu can share memory
|
|
+ * d_alias and d_rcu can share memory
|
|
*/
|
|
union {
|
|
- struct list_head d_child; /* child of parent list */
|
|
+ struct hlist_node d_alias; /* inode alias list */
|
|
struct rcu_head d_rcu;
|
|
} d_u;
|
|
- struct list_head d_subdirs; /* our children */
|
|
- struct hlist_node d_alias; /* inode alias list */
|
|
};
|
|
|
|
/*
|
|
diff --git a/include/linux/mm.h b/include/linux/mm.h
|
|
index c4085192c2b6..53b0d70120a1 100644
|
|
--- a/include/linux/mm.h
|
|
+++ b/include/linux/mm.h
|
|
@@ -891,6 +891,7 @@ static inline int page_mapped(struct page *page)
|
|
#define VM_FAULT_WRITE 0x0008 /* Special case for get_user_pages */
|
|
#define VM_FAULT_HWPOISON 0x0010 /* Hit poisoned small page */
|
|
#define VM_FAULT_HWPOISON_LARGE 0x0020 /* Hit poisoned large page. Index encoded in upper bits */
|
|
+#define VM_FAULT_SIGSEGV 0x0040
|
|
|
|
#define VM_FAULT_NOPAGE 0x0100 /* ->fault installed the pte, not return page */
|
|
#define VM_FAULT_LOCKED 0x0200 /* ->fault locked the returned page */
|
|
@@ -898,8 +899,8 @@ static inline int page_mapped(struct page *page)
|
|
|
|
#define VM_FAULT_HWPOISON_LARGE_MASK 0xf000 /* encodes hpage index for large hwpoison */
|
|
|
|
-#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | \
|
|
- VM_FAULT_HWPOISON_LARGE)
|
|
+#define VM_FAULT_ERROR (VM_FAULT_OOM | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | \
|
|
+ VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)
|
|
|
|
/* Encode hstate index for a hwpoisoned large page */
|
|
#define VM_FAULT_SET_HINDEX(x) ((x) << 12)
|
|
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
|
|
index d0def7fc2848..ef130605ac43 100644
|
|
--- a/kernel/cgroup.c
|
|
+++ b/kernel/cgroup.c
|
|
@@ -984,7 +984,7 @@ static void cgroup_d_remove_dir(struct dentry *dentry)
|
|
parent = dentry->d_parent;
|
|
spin_lock(&parent->d_lock);
|
|
spin_lock_nested(&dentry->d_lock, DENTRY_D_LOCK_NESTED);
|
|
- list_del_init(&dentry->d_u.d_child);
|
|
+ list_del_init(&dentry->d_child);
|
|
spin_unlock(&dentry->d_lock);
|
|
spin_unlock(&parent->d_lock);
|
|
remove_dir(dentry);
|
|
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
|
|
index 8d7e8098e768..640e4c44b170 100644
|
|
--- a/kernel/trace/trace.c
|
|
+++ b/kernel/trace/trace.c
|
|
@@ -6063,7 +6063,7 @@ static int instance_mkdir (struct inode *inode, struct dentry *dentry, umode_t m
|
|
int ret;
|
|
|
|
/* Paranoid: Make sure the parent is the "instances" directory */
|
|
- parent = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
|
|
+ parent = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
|
|
if (WARN_ON_ONCE(parent != trace_instance_dir))
|
|
return -ENOENT;
|
|
|
|
@@ -6090,7 +6090,7 @@ static int instance_rmdir(struct inode *inode, struct dentry *dentry)
|
|
int ret;
|
|
|
|
/* Paranoid: Make sure the parent is the "instances" directory */
|
|
- parent = hlist_entry(inode->i_dentry.first, struct dentry, d_alias);
|
|
+ parent = hlist_entry(inode->i_dentry.first, struct dentry, d_u.d_alias);
|
|
if (WARN_ON_ONCE(parent != trace_instance_dir))
|
|
return -ENOENT;
|
|
|
|
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
|
|
index 001b349af939..5a898f15bfc6 100644
|
|
--- a/kernel/trace/trace_events.c
|
|
+++ b/kernel/trace/trace_events.c
|
|
@@ -425,7 +425,7 @@ static void remove_event_file_dir(struct ftrace_event_file *file)
|
|
|
|
if (dir) {
|
|
spin_lock(&dir->d_lock); /* probably unneeded */
|
|
- list_for_each_entry(child, &dir->d_subdirs, d_u.d_child) {
|
|
+ list_for_each_entry(child, &dir->d_subdirs, d_child) {
|
|
if (child->d_inode) /* probably unneeded */
|
|
child->d_inode->i_private = NULL;
|
|
}
|
|
diff --git a/mm/ksm.c b/mm/ksm.c
|
|
index 784d1e4bc385..7bf748f30aab 100644
|
|
--- a/mm/ksm.c
|
|
+++ b/mm/ksm.c
|
|
@@ -376,7 +376,7 @@ static int break_ksm(struct vm_area_struct *vma, unsigned long addr)
|
|
else
|
|
ret = VM_FAULT_WRITE;
|
|
put_page(page);
|
|
- } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_OOM)));
|
|
+ } while (!(ret & (VM_FAULT_WRITE | VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV | VM_FAULT_OOM)));
|
|
/*
|
|
* We must loop because handle_mm_fault() may back out if there's
|
|
* any difficulty e.g. if pte accessed bit gets updated concurrently.
|
|
diff --git a/mm/memory.c b/mm/memory.c
|
|
index 04232bb173f0..e6b1da3a8924 100644
|
|
--- a/mm/memory.c
|
|
+++ b/mm/memory.c
|
|
@@ -1844,7 +1844,8 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
|
|
else
|
|
return -EFAULT;
|
|
}
|
|
- if (ret & VM_FAULT_SIGBUS)
|
|
+ if (ret & (VM_FAULT_SIGBUS |
|
|
+ VM_FAULT_SIGSEGV))
|
|
return i ? i : -EFAULT;
|
|
BUG();
|
|
}
|
|
@@ -1954,7 +1955,7 @@ int fixup_user_fault(struct task_struct *tsk, struct mm_struct *mm,
|
|
return -ENOMEM;
|
|
if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
|
|
return -EHWPOISON;
|
|
- if (ret & VM_FAULT_SIGBUS)
|
|
+ if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
|
|
return -EFAULT;
|
|
BUG();
|
|
}
|
|
@@ -3231,7 +3232,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
|
|
|
|
/* Check if we need to add a guard page to the stack */
|
|
if (check_stack_guard_page(vma, address) < 0)
|
|
- return VM_FAULT_SIGBUS;
|
|
+ return VM_FAULT_SIGSEGV;
|
|
|
|
/* Use the zero-page for reads */
|
|
if (!(flags & FAULT_FLAG_WRITE)) {
|
|
diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c
|
|
index 834857f3c871..86183c4e4fd5 100644
|
|
--- a/net/ipv4/tcp_illinois.c
|
|
+++ b/net/ipv4/tcp_illinois.c
|
|
@@ -23,7 +23,6 @@
|
|
#define ALPHA_MIN ((3*ALPHA_SCALE)/10) /* ~0.3 */
|
|
#define ALPHA_MAX (10*ALPHA_SCALE) /* 10.0 */
|
|
#define ALPHA_BASE ALPHA_SCALE /* 1.0 */
|
|
-#define U32_MAX ((u32)~0U)
|
|
#define RTT_MAX (U32_MAX / ALPHA_MAX) /* 3.3 secs */
|
|
|
|
#define BETA_SHIFT 6
|
|
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
|
|
index ea7f52f3062d..a8be45e4d34f 100644
|
|
--- a/net/ipv4/tcp_input.c
|
|
+++ b/net/ipv4/tcp_input.c
|
|
@@ -3076,10 +3076,11 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
|
|
if (seq_rtt < 0) {
|
|
seq_rtt = ca_seq_rtt;
|
|
}
|
|
- if (!(sacked & TCPCB_SACKED_ACKED))
|
|
+ if (!(sacked & TCPCB_SACKED_ACKED)) {
|
|
reord = min(pkts_acked, reord);
|
|
- if (!after(scb->end_seq, tp->high_seq))
|
|
- flag |= FLAG_ORIG_SACK_ACKED;
|
|
+ if (!after(scb->end_seq, tp->high_seq))
|
|
+ flag |= FLAG_ORIG_SACK_ACKED;
|
|
+ }
|
|
}
|
|
|
|
if (sacked & TCPCB_SACKED_ACKED)
|
|
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
|
|
index cce35e5a7ee6..7c3eec386a4b 100644
|
|
--- a/net/ipv4/tcp_ipv4.c
|
|
+++ b/net/ipv4/tcp_ipv4.c
|
|
@@ -1901,7 +1901,7 @@ void tcp_v4_early_demux(struct sk_buff *skb)
|
|
skb->sk = sk;
|
|
skb->destructor = sock_edemux;
|
|
if (sk->sk_state != TCP_TIME_WAIT) {
|
|
- struct dst_entry *dst = sk->sk_rx_dst;
|
|
+ struct dst_entry *dst = ACCESS_ONCE(sk->sk_rx_dst);
|
|
|
|
if (dst)
|
|
dst = dst_check(dst, 0);
|
|
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
|
|
index 92b5e1f7d3b0..7681a1bbd97f 100644
|
|
--- a/net/ipv4/tcp_output.c
|
|
+++ b/net/ipv4/tcp_output.c
|
|
@@ -2772,6 +2772,8 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
|
|
}
|
|
#endif
|
|
|
|
+ /* Do not fool tcpdump (if any), clean our debris */
|
|
+ skb->tstamp.tv64 = 0;
|
|
return skb;
|
|
}
|
|
EXPORT_SYMBOL(tcp_make_synack);
|
|
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
|
|
index 060a0449acaa..05f361338c2e 100644
|
|
--- a/net/ipv6/ndisc.c
|
|
+++ b/net/ipv6/ndisc.c
|
|
@@ -1193,7 +1193,14 @@ static void ndisc_router_discovery(struct sk_buff *skb)
|
|
if (rt)
|
|
rt6_set_expires(rt, jiffies + (HZ * lifetime));
|
|
if (ra_msg->icmph.icmp6_hop_limit) {
|
|
- in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
|
|
+ /* Only set hop_limit on the interface if it is higher than
|
|
+ * the current hop_limit.
|
|
+ */
|
|
+ if (in6_dev->cnf.hop_limit < ra_msg->icmph.icmp6_hop_limit) {
|
|
+ in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
|
|
+ } else {
|
|
+ ND_PRINTK(2, warn, "RA: Got route advertisement with lower hop_limit than current\n");
|
|
+ }
|
|
if (rt)
|
|
dst_metric_set(&rt->dst, RTAX_HOPLIMIT,
|
|
ra_msg->icmph.icmp6_hop_limit);
|
|
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
|
|
index 1a87659a6139..4659b8ab55d9 100644
|
|
--- a/net/ipv6/tcp_ipv6.c
|
|
+++ b/net/ipv6/tcp_ipv6.c
|
|
@@ -1616,7 +1616,7 @@ static void tcp_v6_early_demux(struct sk_buff *skb)
|
|
skb->sk = sk;
|
|
skb->destructor = sock_edemux;
|
|
if (sk->sk_state != TCP_TIME_WAIT) {
|
|
- struct dst_entry *dst = sk->sk_rx_dst;
|
|
+ struct dst_entry *dst = ACCESS_ONCE(sk->sk_rx_dst);
|
|
|
|
if (dst)
|
|
dst = dst_check(dst, inet6_sk(sk)->rx_dst_cookie);
|
|
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
|
|
index d25f29377648..957c1db66652 100644
|
|
--- a/net/netfilter/nf_conntrack_proto_generic.c
|
|
+++ b/net/netfilter/nf_conntrack_proto_generic.c
|
|
@@ -14,6 +14,30 @@
|
|
|
|
static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
|
|
|
|
+static bool nf_generic_should_process(u8 proto)
|
|
+{
|
|
+ switch (proto) {
|
|
+#ifdef CONFIG_NF_CT_PROTO_SCTP_MODULE
|
|
+ case IPPROTO_SCTP:
|
|
+ return false;
|
|
+#endif
|
|
+#ifdef CONFIG_NF_CT_PROTO_DCCP_MODULE
|
|
+ case IPPROTO_DCCP:
|
|
+ return false;
|
|
+#endif
|
|
+#ifdef CONFIG_NF_CT_PROTO_GRE_MODULE
|
|
+ case IPPROTO_GRE:
|
|
+ return false;
|
|
+#endif
|
|
+#ifdef CONFIG_NF_CT_PROTO_UDPLITE_MODULE
|
|
+ case IPPROTO_UDPLITE:
|
|
+ return false;
|
|
+#endif
|
|
+ default:
|
|
+ return true;
|
|
+ }
|
|
+}
|
|
+
|
|
static inline struct nf_generic_net *generic_pernet(struct net *net)
|
|
{
|
|
return &net->ct.nf_ct_proto.generic;
|
|
@@ -67,7 +91,7 @@ static int generic_packet(struct nf_conn *ct,
|
|
static bool generic_new(struct nf_conn *ct, const struct sk_buff *skb,
|
|
unsigned int dataoff, unsigned int *timeouts)
|
|
{
|
|
- return true;
|
|
+ return nf_generic_should_process(nf_ct_protonum(ct));
|
|
}
|
|
|
|
#if IS_ENABLED(CONFIG_NF_CT_NETLINK_TIMEOUT)
|
|
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
|
|
index fd3f0180e08f..6af1c42a9cf3 100644
|
|
--- a/scripts/kconfig/menu.c
|
|
+++ b/scripts/kconfig/menu.c
|
|
@@ -525,7 +525,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
|
|
{
|
|
int i, j;
|
|
struct menu *submenu[8], *menu, *location = NULL;
|
|
- struct jump_key *jump;
|
|
+ struct jump_key *jump = NULL;
|
|
|
|
str_printf(r, _("Prompt: %s\n"), _(prop->text));
|
|
menu = prop->menu->parent;
|
|
@@ -563,7 +563,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
|
|
str_printf(r, _(" Location:\n"));
|
|
for (j = 4; --i >= 0; j += 2) {
|
|
menu = submenu[i];
|
|
- if (head && location && menu == location)
|
|
+ if (jump && menu == location)
|
|
jump->offset = r->len - 1;
|
|
str_printf(r, "%*c-> %s", j, ' ',
|
|
_(menu_get_prompt(menu)));
|
|
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
|
|
index 464be51025f6..a96bed4db3e8 100644
|
|
--- a/security/selinux/selinuxfs.c
|
|
+++ b/security/selinux/selinuxfs.c
|
|
@@ -1190,7 +1190,7 @@ static void sel_remove_entries(struct dentry *de)
|
|
spin_lock(&de->d_lock);
|
|
node = de->d_subdirs.next;
|
|
while (node != &de->d_subdirs) {
|
|
- struct dentry *d = list_entry(node, struct dentry, d_u.d_child);
|
|
+ struct dentry *d = list_entry(node, struct dentry, d_child);
|
|
|
|
spin_lock_nested(&d->d_lock, DENTRY_D_LOCK_NESTED);
|
|
list_del_init(node);
|
|
@@ -1664,12 +1664,12 @@ static void sel_remove_classes(void)
|
|
|
|
list_for_each(class_node, &class_dir->d_subdirs) {
|
|
struct dentry *class_subdir = list_entry(class_node,
|
|
- struct dentry, d_u.d_child);
|
|
+ struct dentry, d_child);
|
|
struct list_head *class_subdir_node;
|
|
|
|
list_for_each(class_subdir_node, &class_subdir->d_subdirs) {
|
|
struct dentry *d = list_entry(class_subdir_node,
|
|
- struct dentry, d_u.d_child);
|
|
+ struct dentry, d_child);
|
|
|
|
if (d->d_inode)
|
|
if (d->d_inode->i_mode & S_IFDIR)
|