Messages in this thread | | | From | Andy Lutomirski <> | Date | Tue, 23 Dec 2014 00:16:55 -0800 | Subject | Re: [RFC 0/2] x86, vdso, pvclock: Cleanups and speedups |
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On Mon, Dec 22, 2014 at 11:21 PM, Paolo Bonzini <pbonzini@redhat.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@redhat.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
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