diff options
| author | Elvira Khabirova <lineprinter@altlinux.org> | 2018-11-10 04:22:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-11-12 04:53:27 +0100 |
| commit | d19f9130b814d33c03118493c17454f7d90075d1 (patch) | |
| tree | 6abd502b453931971be0094f61ab1bdf34e77a9f /include | |
| parent | Linux 4.20-rc2 (diff) | |
| download | linux-d19f9130b814d33c03118493c17454f7d90075d1.tar.xz linux-d19f9130b814d33c03118493c17454f7d90075d1.zip | |
x86/ptrace: Fix documentation for tracehook_report_syscall_entry()
tracehook_report_syscall_entry() is called not only
if %TIF_SYSCALL_TRACE is set, but also if %TIF_SYSCALL_EMU is set,
as appears from x86's entry code.
Signed-off-by: Elvira Khabirova <lineprinter@altlinux.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: ldv@altlinux.org
Cc: oleg@redhat.com
Cc: rostedt@goodmis.org
Link: http://lkml.kernel.org/r/20181110042209.26333972@akathisia
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tracehook.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 40b0b4c1bf7b..df20f8bdbfa3 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -83,8 +83,8 @@ static inline int ptrace_report_syscall(struct pt_regs *regs) * tracehook_report_syscall_entry - task is about to attempt a system call * @regs: user register state of current task * - * This will be called if %TIF_SYSCALL_TRACE has been set, when the - * current task has just entered the kernel for a system call. + * This will be called if %TIF_SYSCALL_TRACE or %TIF_SYSCALL_EMU have been set, + * when the current task has just entered the kernel for a system call. * Full user register state is available here. Changing the values * in @regs can affect the system call number and arguments to be tried. * It is safe to block here, preventing the system call from beginning. |