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| author | Andy Pei <andy.pei@intel.com> | 2021-12-07 09:31:08 +0800 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2021-12-18 11:52:43 -0500 |
| commit | a05af290bac55be65e979e007687d4e27cfa7b8d (patch) | |
| tree | 35275df7582a11bf214d7094d7bdad05ec15bb03 /scripts/checkstack.py | |
| parent | 815d7498655b8207821d405bc49fa993702f456f (diff) | |
| download | seabios-a05af290bac55be65e979e007687d4e27cfa7b8d.zip seabios-a05af290bac55be65e979e007687d4e27cfa7b8d.tar.gz seabios-a05af290bac55be65e979e007687d4e27cfa7b8d.tar.bz2 | |
virtio-blk: split large IO according to size_max
if driver reads data larger than VIRTIO_BLK_F_SIZE_MAX,
it will cause some issue to the DMA engine.
So when upper software wants to read data larger than
VIRTIO_BLK_F_SIZE_MAX, virtio-blk driver split one large
request into multiple smaller ones.
Signed-off-by: Andy Pei <andy.pei@intel.com>
Signed-off-by: Ding Limin <dinglimin@cmss.chinamobile.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'scripts/checkstack.py')
0 files changed, 0 insertions, 0 deletions