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Re: [Xen-devel] [PATCH] Check AMD SYSCFG DramModEn bit for MTRR configur
| To: | Wei Huang <wei.huang2@xxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Check AMD SYSCFG DramModEn bit for MTRR configuration |
| From: | Keir Fraser <keir.xen@xxxxxxxxx> |
| Date: | Wed, 02 Mar 2011 07:01:50 +0000 |
| Cc: | |
| Delivery-date: | Tue, 01 Mar 2011 23:02:48 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH] Check AMD SYSCFG DramModEn bit for MTRR configuration |
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On 01/03/2011 21:11, "Wei Huang" <wei.huang2@xxxxxxx> wrote: > This patch checks whether SYSCFG DramModEn bit is clear by BIOS. Some > buggy BIOS might set this bit to 1, which causes unexpected behavior on > AMD platforms. This patch also increase family check for AMD CPUs when > setting fixed MTRR ranges. How common are these buggy BIOSes? Can't we just get users to update their BIOS? -- Keir > Signed-off-by: Wei Huang <wei.huang2@xxxxxxx> > > > PS: If OK, please apply it to both xen-4.1 and xen-4.0 trees. > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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