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Re: [PATCH] mark read_crX() asm code as volatile [message #21147 is a reply to message #21145]

Tue, 02 October 2007 14:17

Andi Kleen
Messages: 33
Registered: February 2006

Member

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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[Message index]

		[PATCH] mark read_crX() asm code as volatile By: Kirill Korotaev on Tue, 02 October 2007 14:04
		Re: [PATCH] mark read_crX() asm code as volatile By: Andi Kleen on Tue, 02 October 2007 14:17
		Re: [PATCH] mark read_crX() asm code as volatile By: Arjan van de Ven on Tue, 02 October 2007 15:28
		Re: [PATCH] mark read_crX() asm code as volatile By: Chuck Ebbert on Tue, 02 October 2007 18:27
		Re: [PATCH] mark read_crX() asm code as volatile By: Nick Piggin on Tue, 02 October 2007 12:14
		Re: [PATCH] mark read_crX() asm code as volatile By: hpa on Wed, 03 October 2007 06:18
		Re: [PATCH] mark read_crX() asm code as volatile By: Nick Piggin on Tue, 02 October 2007 15:49
		Re: [PATCH] mark read_crX() asm code as volatile By: hpa on Tue, 02 October 2007 19:21
		Re: [PATCH] mark read_crX() asm code as volatile By: Kirill Korotaev on Wed, 03 October 2007 08:22
		Re: [PATCH] mark read_crX() asm code as volatile By: Andi Kleen on Wed, 03 October 2007 08:45

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