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x86/asm: Fix SETZ size enqcmds() build failure

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When building under GCC 4.9 and 5.5:

  arch/x86/include/asm/special_insns.h: Assembler messages:
  arch/x86/include/asm/special_insns.h:286: Error: operand size mismatch for `setz'

Change the type to "bool" for condition code arguments, as documented.

Fixes: 7f5933f81b ("x86/asm: Add an enqcmds() wrapper for the ENQCMDS instruction")
Co-developed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210910223332.3224851-1-keescook@chromium.org
This commit is contained in:
Kees Cook 2021-09-10 15:33:32 -07:00 committed by Borislav Petkov
parent 8aa83e6395
commit d81ff5fe14
1 changed files with 1 additions and 1 deletions
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arch/x86/include/asm/special_insns.h
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@ -275,7 +275,7 @@ static inline int enqcmds(void __iomem *dst, const void *src)
{
const struct { char _[64]; } *__src = src;
struct { char _[64]; } __iomem *__dst = dst;
int zf;
bool zf;
/*
* ENQCMDS %(rdx), rax