Messages in this thread | | | Date | Thu, 22 Jul 2010 05:23:56 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 2/7] x86, xsave: introduce xstate enable functions |
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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.
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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