Messages in this thread | | | Date | Thu, 11 Sep 2003 17:55:15 +0100 | From | Jamie Lokier <> | Subject | Re: [PATCH] 2.6 workaround for Athlon/Opteron prefetch errata |
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richard.brunner@amd.com wrote: > Don't worry! I am pretty certain the patch won't impact the > performance of the 2.6 kernel on processors from other vendors ;-)
is_prefetch() will slow down programs which depend on lots of SEGV signals: those garbage collectors which use mprotect and SIGSEGV to track dirty pages.
I wonder how much it will slow them down.
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