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[Xen-devel] Re: [PATCH] C6 state with EOI issue fix for some Intel proce
| To: | Sheng Yang <sheng@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] Re: [PATCH] C6 state with EOI issue fix for some Intel processors |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Wed, 15 Sep 2010 09:03:17 +0100 |
| Cc: | "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 15 Sep 2010 01:04:38 -0700 |
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| In-reply-to: | <201009151510.44090.sheng@xxxxxxxxxxxxxxx> |
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| Thread-index: | ActUpOcbtBbNZ5Y0S0mTiLXYCWHBgQAB40IP |
| Thread-topic: | [PATCH] C6 state with EOI issue fix for some Intel processors |
| User-agent: | Microsoft-Entourage/12.26.0.100708 |
On 15/09/2010 08:10, "Sheng Yang" <sheng@xxxxxxxxxxxxxxx> wrote: > This patch fix this issue, by checking if ISR is pending before enter deep Cx > state. If so, it would use power->safe_state instead of deep Cx state to > prevent > the above issue happen. Thanks. I reworked this patch substantially and applied as xen-unstable:22160 and xen-4.0-testing:21348. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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