Messages in this thread | | | From | Andy Lutomirski <> | Date | Mon, 20 Oct 2014 15:41:53 -0700 | Subject | Re: [PATCH 0/8] x86: Disentangle the vdso and clean it up |
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On Mon, Oct 20, 2014 at 3:03 PM, H. Peter Anvin <hpa@zytor.com> wrote: > On 10/20/2014 02:57 PM, Andy Lutomirski wrote: >> >> Should I send a replacement for patch 8 or should I let you merge 1-7 >> and fold this into the followup series? >> > > Please send a replacement.
Sending in a sec.
Also, this is really weird. Unless I'm completely nuts, lsl is faster in KVM than it is on bare metal. This makes me wonder whether something's suboptimal about the way that the GDT is set up. sgdt is faster, too. This is Sandy Bridge E, one socket. The difference is big enough that tracking it down might be a significant win on context switches. Any hints?
--Andy
> > -hpa > >
-- Andy Lutomirski AMA Capital Management, LLC
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