On Mon, Oct 2, 2017 at 10:40 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
>
> void fortify_panic(const char *name) __noreturn __cold;
> +
> +/* work around GCC PR82365 */
> +#if defined(CONFIG_KASAN) && !defined(__clang__) && GCC_VERSION <= 80000
> +#define fortify_panic(x) \
> + do { \
> + asm volatile(""); \
> + fortify_panic(x); \
> + } while (0)
> +#endif
This broke the build for the fortify_panic() definition in lib/string.c which
clashes with the macro. I've fixed it locally by renaming it to __fortify_panic,
but won't post the fixed version until I get some feedback on the basic
approach.
Arnd
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