diff options
| author | Denys Vlasenko <dvlasenk@redhat.com> | 2015-04-21 16:03:13 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-04-22 06:41:44 (GMT) |
| commit | ac7f5dfb0348a33b2ea92a0c477103c4db45ad4e (patch) | |
| tree | 1ca083075465ef080abd89ffc5a7ce164a038367 /arch/x86/kernel/entry_64.S | |
| parent | 17be0aec74fb036eb4eb32c2268f3420a034762b (diff) | |
| download | linux-ac7f5dfb0348a33b2ea92a0c477103c4db45ad4e.tar.xz | |
x86/asm/entry/64: Merge 32-bit execve stubs with x32 ones, as they are identical
Run-tested.
Suggested-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Drewry <wad@chromium.org>
Link: http://lkml.kernel.org/r/1429632194-13445-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 3c78a15..e952f6b 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -525,40 +525,27 @@ GLOBAL(stub_execveat) CFI_ENDPROC END(stub_execveat) -#ifdef CONFIG_X86_X32_ABI +#if defined(CONFIG_X86_X32_ABI) || defined(CONFIG_IA32_EMULATION) .align 8 GLOBAL(stub_x32_execve) +GLOBAL(stub32_execve) CFI_STARTPROC DEFAULT_FRAME 0, 8 call compat_sys_execve jmp return_from_execve CFI_ENDPROC +END(stub32_execve) END(stub_x32_execve) .align 8 GLOBAL(stub_x32_execveat) - CFI_STARTPROC - DEFAULT_FRAME 0, 8 - call compat_sys_execveat - jmp return_from_execve - CFI_ENDPROC -END(stub_x32_execveat) -#endif - -#ifdef CONFIG_IA32_EMULATION - .align 8 -GLOBAL(stub32_execve) - CFI_STARTPROC - call compat_sys_execve - jmp return_from_execve - CFI_ENDPROC -END(stub32_execve) - .align 8 GLOBAL(stub32_execveat) CFI_STARTPROC + DEFAULT_FRAME 0, 8 call compat_sys_execveat jmp return_from_execve CFI_ENDPROC END(stub32_execveat) +END(stub_x32_execveat) #endif /* |