Displaying 5 results from an estimated 5 matches for "9c5a1aa".
2013 Dec 04
3
[PATCH] 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
...QEMU backtraces. Without their guidence, tracking down
this bug would have taken much longer.
Signed-off-by: Richard Yao <ryao at gentoo.org>
---
net/9p/trans_virtio.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 9c5a1aa..5d1d04b 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
int count = nr_pages;
while (nr_pages) {
s = rest_of_page(data);
- pages[index++] = kmap_to_page(data);
+ if (is_vmalloc_or_module_addr...
2013 Dec 04
3
[PATCH] 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
...QEMU backtraces. Without their guidence, tracking down
this bug would have taken much longer.
Signed-off-by: Richard Yao <ryao at gentoo.org>
---
net/9p/trans_virtio.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 9c5a1aa..5d1d04b 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
int count = nr_pages;
while (nr_pages) {
s = rest_of_page(data);
- pages[index++] = kmap_to_page(data);
+ if (is_vmalloc_or_module_addr...
2013 Dec 06
1
[PATCH] 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
...have taken much longer.
>>
>> Signed-off-by: Richard Yao <ryao at gentoo.org>
>> ---
>> net/9p/trans_virtio.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
>> index 9c5a1aa..5d1d04b 100644
>> --- a/net/9p/trans_virtio.c
>> +++ b/net/9p/trans_virtio.c
>> @@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
>> int count = nr_pages;
>> while (nr_pages) {
>> s = rest_of_page(data);
>> - pages[i...
2013 Dec 06
1
[PATCH] 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
...have taken much longer.
>>
>> Signed-off-by: Richard Yao <ryao at gentoo.org>
>> ---
>> net/9p/trans_virtio.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
>> index 9c5a1aa..5d1d04b 100644
>> --- a/net/9p/trans_virtio.c
>> +++ b/net/9p/trans_virtio.c
>> @@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
>> int count = nr_pages;
>> while (nr_pages) {
>> s = rest_of_page(data);
>> - pages[i...
2013 Dec 06
0
[PATCH] 9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
...king down
> this bug would have taken much longer.
>
> Signed-off-by: Richard Yao <ryao at gentoo.org>
> ---
> net/9p/trans_virtio.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
> index 9c5a1aa..5d1d04b 100644
> --- a/net/9p/trans_virtio.c
> +++ b/net/9p/trans_virtio.c
> @@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
> int count = nr_pages;
> while (nr_pages) {
> s = rest_of_page(data);
> - pages[index++] = kmap_to_page(data)...