On Tue, Sep 18, 2018 at 06:31:07PM +0800, Zhenzhong Duan wrote: > On 2018/9/18 17:50, Peter Zijlstra wrote: > > On Mon, Sep 17, 2018 at 10:17:30PM -0700, Zhenzhong Duan wrote: > > > -#elif defined(CONFIG_X86_32) && defined(CONFIG_RETPOLINE) > > > +#elif defined(CONFIG_RETPOLINE) > > > > This doesn't make any sense.. > This change is used for x86_64 to have minimal Retpoline support when > CONFIG_RETPOLINE is defined but RETPOLINE isn't defined, or I missed > something?
No it doesn't. #if defined(X86_64) && defined(RETPOLINE) /* x86_64 retpoline goes here */ #elif defined(RETPOLINE) /* !x86_64 retpoline goes here */ #else /* !retpoline goes here #endif
