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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2016-01-21 23:49:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-24 08:35:42 +0100 |
| commit | de642faf48670c3c8eae5899177f786c624f4894 (patch) | |
| tree | 46b85d04f30d7c3cf16183baf3cd65b833d42c82 /arch/x86/kernel/cpu | |
| parent | x86/paravirt: Create a stack frame in PV_CALLEE_SAVE_REGS_THUNK (diff) | |
| download | linux-de642faf48670c3c8eae5899177f786c624f4894.tar.xz linux-de642faf48670c3c8eae5899177f786c624f4894.zip | |
x86/amd: Set ELF function type for vide()
vide() is a callable function, but is missing the ELF function type,
which confuses tools like stacktool.
Properly annotate it to be a callable function. The generated code is
unchanged.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/a324095f5c9390ff39b15b4562ea1bbeda1a8282.1453405861.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index a07956a08936..fe2f089f03d2 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -75,7 +75,10 @@ static inline int wrmsrl_amd_safe(unsigned msr, unsigned long long val) */ extern __visible void vide(void); -__asm__(".globl vide\n\t.align 4\nvide: ret"); +__asm__(".globl vide\n" + ".type vide, @function\n" + ".align 4\n" + "vide: ret\n"); static void init_amd_k5(struct cpuinfo_x86 *c) { |