Displaying 2 results from an estimated 2 matches for "unsafe_copy_from_user".
2018 Dec 14
3
[PATCH net-next 0/3] vhost: accelerate metadata access through vmap()
On 2018/12/13 ??11:27, Michael S. Tsirkin wrote:
> On Thu, Dec 13, 2018 at 06:10:19PM +0800, Jason Wang wrote:
>> Hi:
>>
>> This series tries to access virtqueue metadata through kernel virtual
>> address instead of copy_user() friends since they had too much
>> overheads like checks, spec barriers or even hardware feature
>> toggling.
> Userspace accesses
2018 Dec 14
3
[PATCH net-next 0/3] vhost: accelerate metadata access through vmap()
On 2018/12/13 ??11:27, Michael S. Tsirkin wrote:
> On Thu, Dec 13, 2018 at 06:10:19PM +0800, Jason Wang wrote:
>> Hi:
>>
>> This series tries to access virtqueue metadata through kernel virtual
>> address instead of copy_user() friends since they had too much
>> overheads like checks, spec barriers or even hardware feature
>> toggling.
> Userspace accesses