Re: 2.6.18-rc6-mm1: GPF loop on early boot

From: Ingo Molnar
Date: Mon Sep 11 2006 - 01:16:05 EST


Jeremy,

another thing about i386-pda: why did you pick the %gs selector to store
the PDA in? %fs would be a better choice because %gs is used by glibc so
the saving/restoring of %fs would likely be near zero-cycles cost.
(instead of the current 9 cycles for saving/restoring %gs)

Ingo
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