From 039176372b4271f370ef38eb2ee5d43923a5b28b Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sat, 31 Jul 2010 17:05:52 +0200
Subject: Un-whitelist the QEMU harddisk for DMA support

* linux/src/drivers/block/triton.c (good_dma_drives): Remove "QEMU HARDDISK".
---
 linux/src/drivers/block/triton.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'linux')

diff --git a/linux/src/drivers/block/triton.c b/linux/src/drivers/block/triton.c
index 3ed069d..2e3d187 100644
--- a/linux/src/drivers/block/triton.c
+++ b/linux/src/drivers/block/triton.c
@@ -129,7 +129,13 @@
 const char *good_dma_drives[] = {"Micropolis 2112A",
 				 "CONNER CTMA 4000",
 				 "CONNER CTT8000-A",
-				 "QEMU HARDDISK",
+				 // 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",
 				 NULL};
 
 /*
-- 
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