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[Xen-devel] [PATCH] Align PCI memory regions to page size (4K) (Dom-0 Pa
| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH] Align PCI memory regions to page size (4K) (Dom-0 Patch) |
| From: | "Barak Fargoun" <barak@xxxxxxxxxxxx> |
| Date: | Tue, 30 Oct 2007 12:34:19 -0400 |
| Cc: | Guy Zana <guy@xxxxxxxxxxxx> |
| Delivery-date: | Tue, 30 Oct 2007 09:58:34 -0700 |
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| Thread-topic: | [PATCH] Align PCI memory regions to page size (4K) (Dom-0 Patch) |
Add a boot parameter to Dom-0 kernel ('pci-mem-align') which forces PCI
memory regions to be aligned to 4K.
In PCI pass-through the mmio resources are mapped/translated from pfns
to mfns (page size), so mmio resources should be at least page-aligned
---
Applies to changeset 154 of the linux-2.6.18-xen.hg repository
---
Signed-off-by: Barak Fargoun (barak@xxxxxxxxxxxx)
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