Messages in this thread | | | Date | Thu, 25 Jan 2018 20:10:46 +0100 | From | Borislav Petkov <> | Subject | Re: [tip:x86/pti] x86/retpoline: Fill return stack buffer on vmexit |
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On Thu, Jan 25, 2018 at 08:07:29PM +0100, Borislav Petkov wrote: > static inline void vmexit_fill_RSB(void) > { > #ifdef CONFIG_RETPOLINE > alternative_input("", "call __fill_rsb_clobber_ax", X86_FEATURE_RETPOLINE, ASM_NO_INPUT_CLOBBER("memory"));
Whoops, forgot the clobbers:
alternative_input("", "call __fill_rsb_clobber_ax", X86_FEATURE_RETPOLINE, ASM_NO_INPUT_CLOBBER(_ASM_AX, "memory"));
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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