perf 编译失败

本文主要是介绍perf 编译失败，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

linux-6.0-rc2 ：

linux-6.0-rc2/tools/include/asm/../../arch/x86/include/asm/rmwcc.h:7:9: error: implicit declaration of function ‘asm_volatile_goto’ [-Werror=implicit-function-declaration]
    7 |         asm_volatile_goto (fullop "; j" cc " %l[cc_label]"              \
      |         ^~~~~~~~~~~~~~~~~

需要何如patch：

https://lkml.org/lkml/2022/8/22/372

> Fixes: a0a12c3ed057 ("asm goto: eradicate CC_HAS_ASM_GOTO")
> Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
> ---
>  tools/include/linux/compiler_types.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tools/include/linux/compiler_types.h b/tools/include/linux/compiler_types.h
> index 24ae3054f304..1bdd834bdd57 100644
> --- a/tools/include/linux/compiler_types.h
> +++ b/tools/include/linux/compiler_types.h
> @@ -36,4 +36,8 @@
>  #include <linux/compiler-gcc.h>
>  #endif
> 
> +#ifndef asm_volatile_goto
> +#define asm_volatile_goto(x...) asm goto(x)
> +#endif

这篇关于perf 编译失败的文章就介绍到这儿，希望我们推荐的文章对大家有所帮助，也希望大家多多支持为之网！