Re: [v8, 4/5] x86/xsave: Make XSAVE check the base CPUID features before enabling

From: Andi Kleen
Date: Sun Nov 12 2017 - 01:44:40 EST


> this patch makes qemu spit out the following warning, possibly because
> it doesn't support all expected CPUID features for the various CPUs.
>
> WARNING: CPU: 0 PID: 0 at arch/x86/kernel/fpu/xstate.c:614
> fpu__init_system_xstate+0x403/0x721
>
> with associated traceback.
>
> I understand that this is a qemu problem, but does the traceback really
> add value ?

I agree it could be removed.

-Andi