linux-kernel - Re: [PATCH RFC 1/2] KVM: x86: generalize guest_cpuid_has

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Message-ID: <20170804204827.GB2119@potion>
Date:   Fri, 4 Aug 2017 22:48:27 +0200
From:   Radim Krčmář <rkrcmar@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH RFC 1/2] KVM: x86: generalize guest_cpuid_has_ helpers

2017-08-04 17:40+0200, Paolo Bonzini:
> Wow, I didn't expect the compiler to be able to inline all of this and
> even do BUILD_BUG_ON()s on array lookups.  Maybe change inline to
> __always_inline just to be safe?
> 
> If anybody complains we can make it just a BUG.

Good point, i386 wanted to have non-inlined guest_cpuid_get_register(),
but I hope that __always_inline is going to be enough for all.

Thanks.