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[Qemu-devel] [5385] qemu: improve scsi dma speed by increasing the dma b
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [5385] qemu: improve scsi dma speed by increasing the dma buffer size |
Date: |
Wed, 01 Oct 2008 21:46:24 +0000 |
Revision: 5385
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5385
Author: aurel32
Date: 2008-10-01 21:46:23 +0000 (Wed, 01 Oct 2008)
Log Message:
-----------
qemu: improve scsi dma speed by increasing the dma buffer size
taken from Xen 17267:f4a92f0db20f, original patch by Samuel Thibault.
Signed-off-by: Avi Kivity <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
Modified Paths:
--------------
trunk/hw/scsi-disk.c
Modified: trunk/hw/scsi-disk.c
===================================================================
--- trunk/hw/scsi-disk.c 2008-10-01 21:46:15 UTC (rev 5384)
+++ trunk/hw/scsi-disk.c 2008-10-01 21:46:23 UTC (rev 5385)
@@ -34,7 +34,7 @@
#define SENSE_HARDWARE_ERROR 4
#define SENSE_ILLEGAL_REQUEST 5
-#define SCSI_DMA_BUF_SIZE 65536
+#define SCSI_DMA_BUF_SIZE 131072
typedef struct SCSIRequest {
SCSIDeviceState *dev;
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