[Devel] Re: [PATCH] mark read_crX() asm code as volatile

Andi Kleen ak at suse.de
Tue Oct 2 07:17:44 PDT 2007


On Tuesday 02 October 2007 16:08:32 Kirill Korotaev wrote:
> Some gcc versions (I checked at least 4.1.1 from RHEL5 & 4.1.2 from gentoo)
> can generate incorrect code with read_crX()/write_crX() functions mix up,
> due to cached results of read_crX().

added thanks

-Andi






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