1 files changed, 19 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/virtualization/xen/0000-qemu-seabios-enable-ATA_DMA.patch b/nixpkgs/pkgs/applications/virtualization/xen/0000-qemu-seabios-enable-ATA_DMA.patch
new file mode 100644
index 000000000000..339972a2cdeb
--- /dev/null
+++ b/nixpkgs/pkgs/applications/virtualization/xen/0000-qemu-seabios-enable-ATA_DMA.patch
@@ -0,0 +1,19 @@
+diff -uNr a/src/Kconfig b/src/Kconfig
+--- a/src/Kconfig	2015-08-31 10:15:13.231134858 +0200
++++ b/src/Kconfig	2015-08-31 10:14:24.039180178 +0200
+@@ -144,13 +144,13 @@
+     config ATA_DMA
+         depends on ATA
+         bool "ATA DMA"
+-        default n
++        default y
+         help
+             Detect and try to use ATA bus mastering DMA controllers.
+     config ATA_PIO32
+         depends on ATA
+         bool "ATA 32bit PIO"
+-        default n
++        default y
+         help
+             Use 32bit PIO accesses on ATA (minor optimization on PCI transfers).
+     config AHCI