From: Kees Cook keescook@chromium.org
[ Upstream commit d81ff5fe14a950f53e2833cfa196e7bb3fd5d4e3 ]
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: 7f5933f81bd8 ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/x86/include/asm/special_insns.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h index f3fbb84ff8a7..68c257a3de0d 100644 --- a/arch/x86/include/asm/special_insns.h +++ b/arch/x86/include/asm/special_insns.h @@ -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