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From: Anthony Liguori <aliguori@us.ibm.com>
To: qemu-devel@nongnu.org
Cc: Anthony Liguori <aliguori@us.ibm.com>
Subject: [Qemu-devel] [PATCH 5/6] kvm: qemu: improve scsi dma speed by increasing the dma buffer size
Date: Thu, 17 Jul 2008 16:19:39 -0500	[thread overview]
Message-ID: <1216329580-20804-5-git-send-email-aliguori@us.ibm.com> (raw)
In-Reply-To: <1216329580-20804-1-git-send-email-aliguori@us.ibm.com>

From: Avi Kivity <avi@qumranet.com>

taken from Xen 17267:f4a92f0db20f, original patch by Samuel Thibault.

Signed-off-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 44462d4..fc7fbe0 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -34,7 +34,7 @@ do { fprintf(stderr, "scsi-disk: " fmt , ##args); } while (0)
 #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;

  parent reply	other threads:[~2008-07-17 21:21 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-17 21:19 [Qemu-devel] [PATCH 1/6] kvm: qemu: fix screendump with multiple consoles Anthony Liguori
2008-07-17 21:19 ` [Qemu-devel] [PATCH 2/6] kvm: qemu: force screen resize if a display buffer does not exist Anthony Liguori
2008-07-17 21:19 ` [Qemu-devel] [PATCH 3/6] kvm: qemu: revert "fix power management timer overflow handling" Anthony Liguori
2008-07-17 21:19 ` [Qemu-devel] [PATCH 4/6] kvm: qemu: revert ""QEMU keyboard issue with Gujin-2.2", by Etienne Lorrain." Anthony Liguori
2008-07-17 21:43   ` Even Rouault
2008-07-17 21:47   ` [Qemu-devel] " Jan Kiszka
2008-07-17 21:58     ` Anthony Liguori
2008-07-17 21:19 ` Anthony Liguori [this message]
2008-07-20  2:37   ` [Qemu-devel] [PATCH 5/6] kvm: qemu: improve scsi dma speed by increasing the dma buffer size Anthony Liguori
2008-07-17 21:19 ` [Qemu-devel] [PATCH 6/6] kvm: qemu: fix vga screendump Anthony Liguori
2008-07-19 14:36   ` andrzej zaborowski
2008-07-20  2:33     ` Anthony Liguori
2008-07-20 17:07       ` andrzej zaborowski
2008-07-20 18:39         ` Anthony Liguori
2008-07-20 19:28           ` andrzej zaborowski
2008-07-20 19:46             ` Anthony Liguori
2008-07-20 20:08               ` andrzej zaborowski
2008-07-20 21:53                 ` Anthony Liguori
2008-07-20 21:56                 ` Anthony Liguori
2008-07-21  2:00                   ` Jamie Lokier
2008-07-17 21:39 ` [Qemu-devel] [PATCH 0/6] Various fixes from KVM tree Anthony Liguori

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