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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2011-07-21 23:11:10 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2011-07-21 23:11:10 +0200
commitc81633968d20a66ae7f13a52c007f3eb52453684 (patch)
treebfda0aa0ee500c0373ee64e0a32e617037d2be43
parent6847f9c7e42c299ce27459b33885369cee2b26b2 (diff)
Whitelist QEMU Hard-Drive for DMA.
PIO has become very slow in Linux 2.6.35+, so we do not really have the choice any more. * linux/src/drivers/block/triton.c (good_dma_drives): Re-whitelist QEMU hard drive.
-rw-r--r--linux/src/drivers/block/triton.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/linux/src/drivers/block/triton.c b/linux/src/drivers/block/triton.c
index 2e3d187..3ed069d 100644
--- a/linux/src/drivers/block/triton.c
+++ b/linux/src/drivers/block/triton.c
@@ -129,13 +129,7 @@
const char *good_dma_drives[] = {"Micropolis 2112A",
"CONNER CTMA 4000",
"CONNER CTT8000-A",
- // Should work, but kvm/qemu seem to produce
- // issues:
- // hd1 irq timeout: status=0xd8 { Busy }
- // hd0: disabled DMA
- // hd1: disabled DMA
- // ide0: reset: success
- //"QEMU HARDDISK",
+ "QEMU HARDDISK",
NULL};
/*