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[PATCH v9 09/20] x86/amd: Set ELF function type for vide()

From Josh Poimboeuf <jpoimboe@redhat.com>
Newsgroups linux.kernel
Subject [PATCH v9 09/20] x86/amd: Set ELF function type for vide()
Date 2015-08-07 19:00 +0200
Message-ID <pUT9X-5pP-59@gated-at.bofh.it> (permalink)
References <pUT9U-5pP-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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vide() is a callable function, but is missing the ELF function type,
which confuses tools like stackvalidate.

Properly annotate it to be a callable function.  The generated code is
unchanged.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
---
 arch/x86/kernel/cpu/amd.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 51ad2af..d19c9ad 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -74,7 +74,10 @@ 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)
 {
-- 
2.4.3

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Thread

[PATCH v9 00/20] Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 05/20] x86/stackvalidate: Add ignore macros Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 03/20] x86/stackvalidate: Compile-time stack validation Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 18/20] x86/asm: Create stack frames in rwsem functions Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 16/20] x86/asm/entry: Create stack frames in thunk functions Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 13/20] x86/asm/crypto: Move .Lbswap_mask data to .rodata section Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 01/20] x86/asm: Frame pointer macro cleanup Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 08/20] x86/paravirt: Create a stack frame in PV_CALLEE_SAVE_REGS_THUNK Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 11/20] x86/xen: Add xen_cpuid() and xen_setup_gdt() to stackvalidate whitelists Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 09/20] x86/amd: Set ELF function type for vide() Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 14/20] x86/asm/crypto: Move jump_table to .rodata section Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 15/20] x86/asm/crypto: Create stack frames in clmul_ghash_mul/update() Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 20/20] x86/asm/power: Create stack frames in hibernate_asm_64.S Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
    Re: [PATCH v9 20/20] x86/asm/power: Create stack frames in  hibernate_asm_64.S Pavel Machek <pavel@ucw.cz> - 2015-08-09 21:20 +0200
  [PATCH v9 10/20] x86/reboot: Add ljmp instructions to stackvalidate whitelist Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200
  [PATCH v9 04/20] x86/stackvalidate: Add file and directory ignores Josh Poimboeuf <jpoimboe@redhat.com> - 2015-08-07 19:00 +0200

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