Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 0/9] rework of extended state handling, LWP support | Date | Tue, 29 Nov 2011 13:31:09 -0800 |
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Hans Rosenfeld <hans.rosenfeld@amd.com> writes: > > The lazy allocation of the xstate area has been removed. The support for > extended states that cannot be saved/restored lazily, like AMD's LWP, > need this. Since optimized library functions using SSE etc. are widely > used today, most processes would have an xstate area anyway, making the > memory overhead negligible.
Do you have any data on that? It sounds dubious for specialized workloads.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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