diff options
Diffstat (limited to 'main/xen/xsa138-qemuu-3.patch')
-rw-r--r-- | main/xen/xsa138-qemuu-3.patch | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/main/xen/xsa138-qemuu-3.patch b/main/xen/xsa138-qemuu-3.patch deleted file mode 100644 index 0322866fe3..0000000000 --- a/main/xen/xsa138-qemuu-3.patch +++ /dev/null @@ -1,71 +0,0 @@ -From 1d3c2268f8708126a34064c2e0c1000b40e6f3e5 Mon Sep 17 00:00:00 2001 -From: Kevin Wolf <kwolf@redhat.com> -Date: Wed, 3 Jun 2015 14:41:27 +0200 -Subject: [PATCH 3/3] ide: Clear DRQ after handling all expected accesses - -This is additional hardening against an end_transfer_func that fails to -clear the DRQ status bit. The bit must be unset as soon as the PIO -transfer has completed, so it's better to do this in a central place -instead of duplicating the code in all commands (and forgetting it in -some). - -Signed-off-by: Kevin Wolf <kwolf@redhat.com> ---- - hw/ide/core.c | 16 ++++++++++++---- - 1 file changed, 12 insertions(+), 4 deletions(-) - -diff --git a/hw/ide/core.c b/hw/ide/core.c -index 44fcc23..50449ca 100644 ---- a/tools/qemu-xen/hw/ide/core.c -+++ b/tools/qemu-xen/hw/ide/core.c -@@ -2028,8 +2028,10 @@ void ide_data_writew(void *opaque, uint32_t addr, uint32_t val) - *(uint16_t *)p = le16_to_cpu(val); - p += 2; - s->data_ptr = p; -- if (p >= s->data_end) -+ if (p >= s->data_end) { -+ s->status &= ~DRQ_STAT; - s->end_transfer_func(s); -+ } - } - - uint32_t ide_data_readw(void *opaque, uint32_t addr) -@@ -2053,8 +2055,10 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr) - ret = cpu_to_le16(*(uint16_t *)p); - p += 2; - s->data_ptr = p; -- if (p >= s->data_end) -+ if (p >= s->data_end) { -+ s->status &= ~DRQ_STAT; - s->end_transfer_func(s); -+ } - return ret; - } - -@@ -2078,8 +2082,10 @@ void ide_data_writel(void *opaque, uint32_t addr, uint32_t val) - *(uint32_t *)p = le32_to_cpu(val); - p += 4; - s->data_ptr = p; -- if (p >= s->data_end) -+ if (p >= s->data_end) { -+ s->status &= ~DRQ_STAT; - s->end_transfer_func(s); -+ } - } - - uint32_t ide_data_readl(void *opaque, uint32_t addr) -@@ -2103,8 +2109,10 @@ uint32_t ide_data_readl(void *opaque, uint32_t addr) - ret = cpu_to_le32(*(uint32_t *)p); - p += 4; - s->data_ptr = p; -- if (p >= s->data_end) -+ if (p >= s->data_end) { -+ s->status &= ~DRQ_STAT; - s->end_transfer_func(s); -+ } - return ret; - } - --- -1.8.3.1 - |