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[Xen-devel] [PATCH] macros for blkif frame_and_sectors
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] [PATCH] macros for blkif frame_and_sectors |
| From: | Matt Chapman <matthewc@xxxxxx> |
| Date: | Fri, 29 Jul 2005 16:52:39 -0600 |
| Delivery-date: | Fri, 29 Jul 2005 22:51:57 +0000 |
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| Sender: | xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
| User-agent: | Mutt/1.4.1i |
This patch adds two macros for construction of the frame_and_sectors field in blkif messages, to eliminate the "magic shifts" in the blkif code. It also increases the number of bits representing the sector number within a page, from 3 to 5, to allow page sizes up to 16K (needed for IA64). Tested to still work on x86. Matt Signed-off-by: Matthew Chapman <matthewc@xxxxxx>
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