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[Xen-devel] [PATCH] linux: make /dev/mem handling more consistent with n
| To: | <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] [PATCH] linux: make /dev/mem handling more consistent with native |
| From: | "Jan Beulich" <JBeulich@xxxxxxxxxx> |
| Date: | Thu, 02 Mar 2006 15:19:47 +0100 |
| Delivery-date: | Thu, 02 Mar 2006 14:19:06 +0000 |
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While native code range-checks the requested address, possibly truncates the range, and then reads/writes page-wise until possibly encountering a -EFAULT issue, Xen code accessed the whole range in a single step, thus not allowing partially succeeding accesses. Jan
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