On Sat, Jan 13, 2018 at 09:50:48PM +0300, Alexey Dobriyan wrote: > All clear_page() implementations use XOR which resets flags. > > Judging by allyesconfig disassembly no code is affected. > > Signed-off-by: Alexey Dobriyan <[email protected]> > --- > > arch/x86/include/asm/page_64.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > --- a/arch/x86/include/asm/page_64.h > +++ b/arch/x86/include/asm/page_64.h > @@ -47,7 +47,7 @@ static inline void clear_page(void *page) > clear_page_erms, X86_FEATURE_ERMS, > "=D" (page), > "0" (page) > - : "memory", "rax", "rcx"); > + : "cc", "memory", "rax", "rcx"); > } > > void copy_page(void *to, void *from);
Reviewed-by: Borislav Petkov <[email protected]> -- Regards/Gruss, Boris. SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg) --
