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powerpc: Use is_32bit_task() helper to test 32-bit binary

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This patch removes all explicit tests for the TIF_32BIT flag

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Denis Kirjanov 2010-08-27 03:49:11 +00:00 • committed by Benjamin Herrenschmidt
parent 05d77ac90c
commit cab175f9fa
7 changed files with 12 additions and 12 deletions
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4
arch/powerpc/include/asm/compat.h
View file

@ -143,7 +143,7 @@ static inline void __user *compat_alloc_user_space(long len)
* We cant access below the stack pointer in the 32bit ABI and * We cant access below the stack pointer in the 32bit ABI and
* can access 288 bytes in the 64bit ABI * can access 288 bytes in the 64bit ABI
*/ */
if (!(test_thread_flag(TIF_32BIT))) if (!is_32bit_task())
usp -= 288; usp -= 288;
return (void __user *) (usp - len); return (void __user *) (usp - len);
@ -213,7 +213,7 @@ struct compat_shmid64_ds {
static inline int is_compat_task(void) static inline int is_compat_task(void)
{ {
return test_thread_flag(TIF_32BIT); return is_32bit_task();
} }
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */

2
arch/powerpc/include/asm/elf.h
View file

@ -250,7 +250,7 @@ do { \
* the 64bit ABI has never had these issues dont enable the workaround * the 64bit ABI has never had these issues dont enable the workaround
* even if we have an executable stack. * even if we have an executable stack.
*/ */
# define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \ # define elf_read_implies_exec(ex, exec_stk) (is_32bit_task() ? \
(exec_stk == EXSTACK_DEFAULT) : 0) (exec_stk == EXSTACK_DEFAULT) : 0)
#else #else
# define SET_PERSONALITY(ex) \ # define SET_PERSONALITY(ex) \

4
arch/powerpc/include/asm/page_64.h
View file

@ -163,7 +163,7 @@ do { \
#endif /* !CONFIG_HUGETLB_PAGE */ #endif /* !CONFIG_HUGETLB_PAGE */
#define VM_DATA_DEFAULT_FLAGS \ #define VM_DATA_DEFAULT_FLAGS \
(test_thread_flag(TIF_32BIT) ? \ (is_32bit_task() ? \
VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64) VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64)
/* /*
@ -179,7 +179,7 @@ do { \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#define VM_STACK_DEFAULT_FLAGS \ #define VM_STACK_DEFAULT_FLAGS \
(test_thread_flag(TIF_32BIT) ? \ (is_32bit_task() ? \
VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64)
#include <asm-generic/getorder.h> #include <asm-generic/getorder.h>

4
arch/powerpc/include/asm/processor.h
View file

@ -118,7 +118,7 @@ extern struct task_struct *last_task_used_spe;
#define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4)) #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4))
#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4)) #define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_USER64 / 4))
#define TASK_UNMAPPED_BASE ((test_thread_flag(TIF_32BIT)) ? \ #define TASK_UNMAPPED_BASE ((is_32bit_task()) ? \
TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 ) TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
#endif #endif
@ -128,7 +128,7 @@ extern struct task_struct *last_task_used_spe;
#define STACK_TOP_USER64 TASK_SIZE_USER64 #define STACK_TOP_USER64 TASK_SIZE_USER64
#define STACK_TOP_USER32 TASK_SIZE_USER32 #define STACK_TOP_USER32 TASK_SIZE_USER32
#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \ #define STACK_TOP (is_32bit_task() ? \
STACK_TOP_USER32 : STACK_TOP_USER64) STACK_TOP_USER32 : STACK_TOP_USER64)
#define STACK_TOP_MAX STACK_TOP_USER64 #define STACK_TOP_MAX STACK_TOP_USER64

2
arch/powerpc/kernel/ptrace.c
View file

@ -1681,7 +1681,7 @@ long do_syscall_trace_enter(struct pt_regs *regs)
if (unlikely(current->audit_context)) { if (unlikely(current->audit_context)) {
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
if (!test_thread_flag(TIF_32BIT)) if (!is_32bit_task())
audit_syscall_entry(AUDIT_ARCH_PPC64, audit_syscall_entry(AUDIT_ARCH_PPC64,
regs->gpr[0], regs->gpr[0],
regs->gpr[3], regs->gpr[4], regs->gpr[3], regs->gpr[4],

6
arch/powerpc/kernel/vdso.c
View file

@ -159,7 +159,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
{ {
int i; int i;
if (!vma || test_thread_flag(TIF_32BIT)) { if (!vma || is_32bit_task()) {
printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase); printk("vDSO32 @ %016lx:\n", (unsigned long)vdso32_kbase);
for (i=0; i<vdso32_pages; i++) { for (i=0; i<vdso32_pages; i++) {
struct page *pg = virt_to_page(vdso32_kbase + struct page *pg = virt_to_page(vdso32_kbase +
@ -170,7 +170,7 @@ static void dump_vdso_pages(struct vm_area_struct * vma)
dump_one_vdso_page(pg, upg); dump_one_vdso_page(pg, upg);
} }
} }
if (!vma || !test_thread_flag(TIF_32BIT)) { if (!vma || !is_32bit_task()) {
printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase); printk("vDSO64 @ %016lx:\n", (unsigned long)vdso64_kbase);
for (i=0; i<vdso64_pages; i++) { for (i=0; i<vdso64_pages; i++) {
struct page *pg = virt_to_page(vdso64_kbase + struct page *pg = virt_to_page(vdso64_kbase +
@ -200,7 +200,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
return 0; return 0;
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
if (test_thread_flag(TIF_32BIT)) { if (is_32bit_task()) {
vdso_pagelist = vdso32_pagelist; vdso_pagelist = vdso32_pagelist;
vdso_pages = vdso32_pages; vdso_pages = vdso32_pages;
vdso_base = VDSO32_MBASE; vdso_base = VDSO32_MBASE;

2
arch/powerpc/oprofile/backtrace.c
View file

@ -105,7 +105,7 @@ void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth)
} }
} else { } else {
#ifdef CONFIG_PPC64 #ifdef CONFIG_PPC64
if (!test_thread_flag(TIF_32BIT)) { if (!is_32bit_task()) {
while (depth--) { while (depth--) {
sp = user_getsp64(sp, first_frame); sp = user_getsp64(sp, first_frame);
if (!sp) if (!sp)