Displaying 2 results from an estimated 2 matches for "4cores".
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2014 May 30
3
[PATCH] block: virtio_blk: don't hold spin lock during world switch
On Fri, May 30, 2014 at 11:19 AM, Jens Axboe <axboe at kernel.dk> wrote:
> On 2014-05-29 20:49, Ming Lei wrote:
>>
>> Firstly, it isn't necessary to hold lock of vblk->vq_lock
>> when notifying hypervisor about queued I/O.
>>
>> Secondly, virtqueue_notify() will cause world switch and
>> it may take long time on some hypervisors(such as,
2014 May 30
3
[PATCH] block: virtio_blk: don't hold spin lock during world switch
On Fri, May 30, 2014 at 11:19 AM, Jens Axboe <axboe at kernel.dk> wrote:
> On 2014-05-29 20:49, Ming Lei wrote:
>>
>> Firstly, it isn't necessary to hold lock of vblk->vq_lock
>> when notifying hypervisor about queued I/O.
>>
>> Secondly, virtqueue_notify() will cause world switch and
>> it may take long time on some hypervisors(such as,