fpu__init_system_xstate() does an FPU capability check that is better done in fpu__init_cpu_xstate(). This will allow us to call fpu__init_cpu_xstate() directly on legacy CPUs as well.
Reviewed-by: Borislav Petkov <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Fenghua Yu <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Oleg Nesterov <[email protected]> Cc: Thomas Gleixner <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/kernel/fpu/xsave.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/fpu/xsave.c b/arch/x86/kernel/fpu/xsave.c index 961c25850c7f..0610f431f77f 100644 --- a/arch/x86/kernel/fpu/xsave.c +++ b/arch/x86/kernel/fpu/xsave.c @@ -465,7 +465,7 @@ static void prepare_fx_sw_frame(void) */ void fpu__init_cpu_xstate(void) { - if (!xfeatures_mask) + if (!cpu_has_xsave || !xfeatures_mask) return; cr4_set_bits(X86_CR4_OSXSAVE); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
