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Alexei Starovoitov ff205766db ftrace: Fix function_graph tracer interaction with BPF trampoline
Depending on type of BPF programs served by BPF trampoline it can call original
function. In such case the trampoline will skip one stack frame while
returning. That will confuse function_graph tracer and will cause crashes with
bad RIP. Teach graph tracer to skip functions that have BPF trampoline attached.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2019-12-10 13:53:59 -05:00
arch ftrace: Fix function_graph tracer interaction with BPF trampoline 2019-12-10 13:53:59 -05:00
block iocost: don't nest spin_lock_irq in ioc_weight_write() 2019-10-31 11:40:57 -06:00
certs
crypto
Documentation tracing: Use CONFIG_PREEMPTION 2019-11-13 09:37:28 -05:00
drivers USB fixes for 5.4-rc6 2019-11-03 08:25:25 -08:00
fs a small smb3 memleak fix 2019-11-02 14:34:00 -07:00
include ftrace: Fix function_graph tracer interaction with BPF trampoline 2019-12-10 13:53:59 -05:00
init
ipc
kernel ftrace: Fix function_graph tracer interaction with BPF trampoline 2019-12-10 13:53:59 -05:00
lib seq_buf: Add printing formatted hex dumps 2019-11-14 13:15:12 -05:00
LICENSES
mm
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
samples tracing: Sample module to demonstrate kernel access to Ftrace instances. 2019-11-22 19:41:08 -05:00
scripts
security efi/efi_test: Lock down /dev/efi_test and require CAP_SYS_ADMIN 2019-10-31 09:40:21 +01:00
sound ALSA: timer: Fix mutex deadlock at releasing card 2019-10-30 22:54:56 +01:00
tools ftrace/selftests: Fix spelling mistake "wakeing" -> "waking" 2019-11-15 11:30:38 -05:00
usr
virt kvm: call kvm_arch_destroy_vm if vm creation fails 2019-10-31 12:13:16 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-11-01 17:48:11 -07:00
Makefile Linux 5.4-rc6 2019-11-03 14:07:26 -08:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.