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| author | Markus Armbruster <armbru@redhat.com> | 2014-07-09 19:07:32 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-07-14 12:03:21 +0200 |
| commit | 58ac321135af890b503ebe56d0d00e184779918f (patch) | |
| tree | a74b7ea1c297aa2502569f904850c8a55d726079 /scripts/vmstate-static-checker.py | |
| parent | 3c2daac0b98952a858277878cb11294256b39e43 (diff) | |
| download | focaccia-qemu-58ac321135af890b503ebe56d0d00e184779918f.tar.gz focaccia-qemu-58ac321135af890b503ebe56d0d00e184779918f.zip | |
ide: Treat read/write beyond end as invalid
The block layer fails such reads and writes just fine. However, they then get treated like valid operations that fail: the error action gets executed. Unwanted; reporting the error to the guest is the only sensible action. Reject them before passing them to the block layer. This bypasses the error action and I/O accounting. Not quite correct for DMA, because DMA can fail after some success, and when that happens, the part that succeeded isn't counted. Tolerable, because I/O accounting is an inconsistent mess anyway. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'scripts/vmstate-static-checker.py')
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