search for: __copy_user_ll

Displaying 2 results from an estimated 2 matches for "__copy_user_ll".

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