Messages in this thread | | | Date | Thu, 22 Jul 2010 15:16:21 +0200 | From | Robert Richter <> | Subject | Re: [PATCH 2/7] x86, xsave: introduce xstate enable functions |
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On 22.07.10 08:23:56, H. Peter Anvin wrote: > On 07/22/2010 05:15 AM, Robert Richter wrote: > > > > Just wondering why you are using this_func()? Instead, you could > > simply do: > > > > next_func(); > > next_func = xstate_enable; > > > > Do you see races when bringing up multiple cpus in parallel? > > > > It allows the compiler to turn it into a tailcall if frame pointers are > disabled.
Yes, that makes sense.
Thanks.
-Robert
-- Advanced Micro Devices, Inc. Operating System Research Center
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