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Date: Tue, 23 Dec 2014 00:16:55 -0800 From: Andy Lutomirski <luto@...capital.net> To: Paolo Bonzini <pbonzini@...hat.com> Cc: Marcelo Tosatti <mtosatti@...hat.com>, Gleb Natapov <gleb@...nel.org>, kvm list <kvm@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org>, glommer@...il.com Subject: Re: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups On Mon, Dec 22, 2014 at 11:21 PM, Paolo Bonzini <pbonzini@...hat.com> wrote: > > > On 23/12/2014 01:39, Andy Lutomirski wrote: >> This is a dramatic simplification and speedup of the vdso pvclock read >> code. Is it correct? >> >> Andy Lutomirski (2): >> x86, vdso: Use asm volatile in __getcpu >> x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader > > Patch 1 is ok, > > Acked-by: Paolo Bonzini <pbonzini@...hat.com> Any thoughts as to whether it should be tagged for stable? I haven't looked closely enough at the old pvclock code or the generated code to have much of an opinion there. It'll be a big speedup for non-pvclock users at least. --Andy > > For patch 2 I will defer to Marcelo and Glauber (and the Xen folks). > > Paolo -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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