On Wed, Apr 17, 2013 at 05:39:04PM -0300, Marcelo Tosatti wrote:
On Fri, Mar 22, 2013 at 09:15:24PM +0200, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:37:33PM +0800, Xiao Guangrong wrote:
On 03/22/2013 08:12 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:03:04PM +0800, Xiao
On Thu, Apr 18, 2013 at 12:42:39PM +0300, Gleb Natapov wrote:
that, but if not then less code is better.
The number of sp-role.invalid=1 pages is small (only shadow roots). It
can grow but is bounded to a handful. No improvement visible there.
The number of shadow pages with old
On Thu, Apr 18, 2013 at 11:01:18AM -0300, Marcelo Tosatti wrote:
On Thu, Apr 18, 2013 at 12:42:39PM +0300, Gleb Natapov wrote:
that, but if not then less code is better.
The number of sp-role.invalid=1 pages is small (only shadow roots). It
can grow but is bounded to a handful. No
On Thu, Apr 18, 2013 at 07:36:03PM +0300, Gleb Natapov wrote:
On Thu, Apr 18, 2013 at 11:01:18AM -0300, Marcelo Tosatti wrote:
On Thu, Apr 18, 2013 at 12:42:39PM +0300, Gleb Natapov wrote:
that, but if not then less code is better.
The number of sp-role.invalid=1 pages is small
On Fri, Mar 22, 2013 at 09:15:24PM +0200, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:37:33PM +0800, Xiao Guangrong wrote:
On 03/22/2013 08:12 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:03:04PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:47 PM, Gleb Natapov wrote:
On Fri,
On 03/22/2013 10:11 AM, Xiao Guangrong wrote:
The modifications should be contained to kvm_mmu_get_page() mostly,
correct? (would also have to keep counters to increase SLAB freeing
ratio, relative to number of outdated shadow pages).
Yes.
And then have codepaths that nuke shadow pages
On Fri, Mar 22, 2013 at 10:11:17AM +0800, Xiao Guangrong wrote:
On 03/22/2013 06:21 AM, Marcelo Tosatti wrote:
On Wed, Mar 20, 2013 at 04:30:20PM +0800, Xiao Guangrong wrote:
Changlog:
V2:
- do not reset n_requested_mmu_pages and n_max_mmu_pages
- batch free root shadow pages to
On 03/22/2013 06:54 PM, Marcelo Tosatti wrote:
And then have codepaths that nuke shadow pages break from the spinlock,
I think this is not needed any more. We can let mmu_notify use the generation
number to invalid all shadow pages, then we only need to free them after
all vcpus down and
On Fri, Mar 22, 2013 at 07:10:44PM +0800, Xiao Guangrong wrote:
On 03/22/2013 06:54 PM, Marcelo Tosatti wrote:
And then have codepaths that nuke shadow pages break from the spinlock,
I think this is not needed any more. We can let mmu_notify use the
generation
number to invalid
On 03/22/2013 07:28 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:10:44PM +0800, Xiao Guangrong wrote:
On 03/22/2013 06:54 PM, Marcelo Tosatti wrote:
And then have codepaths that nuke shadow pages break from the spinlock,
I think this is not needed any more. We can let mmu_notify use
On Fri, Mar 22, 2013 at 07:39:24PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:28 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:10:44PM +0800, Xiao Guangrong wrote:
On 03/22/2013 06:54 PM, Marcelo Tosatti wrote:
And then have codepaths that nuke shadow pages break from the
On 03/22/2013 07:47 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:39:24PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:28 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:10:44PM +0800, Xiao Guangrong wrote:
On 03/22/2013 06:54 PM, Marcelo Tosatti wrote:
And then have codepaths
On Fri, Mar 22, 2013 at 08:03:04PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:47 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:39:24PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:28 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:10:44PM +0800, Xiao Guangrong wrote:
On
On 03/22/2013 08:12 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:03:04PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:47 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:39:24PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:28 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at
On Fri, Mar 22, 2013 at 08:37:33PM +0800, Xiao Guangrong wrote:
On 03/22/2013 08:12 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 08:03:04PM +0800, Xiao Guangrong wrote:
On 03/22/2013 07:47 PM, Gleb Natapov wrote:
On Fri, Mar 22, 2013 at 07:39:24PM +0800, Xiao Guangrong wrote:
On
On Wed, Mar 20, 2013 at 04:30:20PM +0800, Xiao Guangrong wrote:
Changlog:
V2:
- do not reset n_requested_mmu_pages and n_max_mmu_pages
- batch free root shadow pages to reduce vcpu notification and mmu-lock
contention
- remove the first patch that introduce kvm-arch.mmu_cache since
On 03/22/2013 06:21 AM, Marcelo Tosatti wrote:
On Wed, Mar 20, 2013 at 04:30:20PM +0800, Xiao Guangrong wrote:
Changlog:
V2:
- do not reset n_requested_mmu_pages and n_max_mmu_pages
- batch free root shadow pages to reduce vcpu notification and mmu-lock
contention
- remove the
Changlog:
V2:
- do not reset n_requested_mmu_pages and n_max_mmu_pages
- batch free root shadow pages to reduce vcpu notification and mmu-lock
contention
- remove the first patch that introduce kvm-arch.mmu_cache since we only
'memset zero' on hashtable rather than all mmu cache
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