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[Xen-devel] [PATCH] MSI-X: enhancement
| To: | "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] MSI-X: enhancement |
| From: | "Zhao, Yu" <yu.zhao@xxxxxxxxx> |
| Date: | Tue, 12 Aug 2008 15:47:06 +0800 |
| Cc: | |
| Delivery-date: | Tue, 12 Aug 2008 00:48:15 -0700 |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| Thread-index: | Acj8T53TGuwU7/IlTfGf/fxrwhNvVA== |
| Thread-topic: | [Xen-devel] [PATCH] MSI-X: enhancement |
1) Use PCI resource value provided by dom0 kernel instead of reading it from hardware in Xen. The kernel might fix up PCI resources when BARs contain bogus values. In this case, using the values from BARs directly could cause system crash. 2) Various boundary checks to avoid Xen crash. Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx>
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