Hello Jeson,
On Fri, Mar 08, 2019 at 04:50:36PM +0800, Jason Wang wrote:
> Just to make sure I understand here. For boosting through huge TLB, do
> you mean we can do that in the future (e.g by mapping more userspace
> pages to kenrel) or it can be done by this series (only about three 4K
> pag
On Fri, Mar 08, 2019 at 04:58:44PM +0800, Jason Wang wrote:
> Can I simply can set_page_dirty() before vunmap() in the mmu notifier
> callback, or is there any reason that it must be called within vumap()?
I also don't see any problem in doing it before vunmap. As far as the
mmu notifier and set_
On Fri, Mar 08, 2019 at 05:13:26PM +0800, Jason Wang wrote:
> Actually not wrapping around, the pages for used ring was marked as
> dirty after a round of virtqueue processing when we're sure vhost wrote
> something there.
Thanks for the clarification. So we need to convert it to
set_page_dirty
On Wed, Mar 06, 2019 at 02:18:07AM -0500, Jason Wang wrote:
> 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. This is done through setup
On Fri, Mar 08, 2019 at 04:58:44PM +0800, Jason Wang wrote:
>
> On 2019/3/8 上午3:17, Jerome Glisse wrote:
> > On Thu, Mar 07, 2019 at 12:56:45PM -0500, Michael S. Tsirkin wrote:
> > > On Thu, Mar 07, 2019 at 10:47:22AM -0500, Michael S. Tsirkin wrote:
> > > > On Wed, Mar 06, 2019 at 02:18:12AM -050
On 2019/3/8 上午11:45, Jerome Glisse wrote:
On Thu, Mar 07, 2019 at 10:43:12PM -0500, Michael S. Tsirkin wrote:
On Thu, Mar 07, 2019 at 10:40:53PM -0500, Jerome Glisse wrote:
On Thu, Mar 07, 2019 at 10:16:00PM -0500, Michael S. Tsirkin wrote:
On Thu, Mar 07, 2019 at 09:55:39PM -0500, Jerome Gli
On 2019/3/8 上午5:27, Andrea Arcangeli wrote:
Hello Jerome,
On Thu, Mar 07, 2019 at 03:17:22PM -0500, Jerome Glisse wrote:
So for the above the easiest thing is to call set_page_dirty() from
the mmu notifier callback. It is always safe to use the non locking
variant from such callback. Well it i
On 2019/3/8 上午3:17, Jerome Glisse wrote:
On Thu, Mar 07, 2019 at 12:56:45PM -0500, Michael S. Tsirkin wrote:
On Thu, Mar 07, 2019 at 10:47:22AM -0500, Michael S. Tsirkin wrote:
On Wed, Mar 06, 2019 at 02:18:12AM -0500, Jason Wang wrote:
+static const struct mmu_notifier_ops vhost_mmu_notifier
On 2019/3/8 上午3:16, Andrea Arcangeli wrote:
On Thu, Mar 07, 2019 at 12:56:45PM -0500, Michael S. Tsirkin wrote:
On Thu, Mar 07, 2019 at 10:47:22AM -0500, Michael S. Tsirkin wrote:
On Wed, Mar 06, 2019 at 02:18:12AM -0500, Jason Wang wrote:
+static const struct mmu_notifier_ops vhost_mmu_notif
On 2019/3/7 下午11:34, Michael S. Tsirkin wrote:
On Thu, Mar 07, 2019 at 10:45:57AM +0800, Jason Wang wrote:
On 2019/3/7 上午12:31, Michael S. Tsirkin wrote:
+static void vhost_set_vmap_dirty(struct vhost_vmap *used)
+{
+ int i;
+
+ for (i = 0; i < used->npages; i++)
+ se
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