= kvm_mmu_notifier_test_young,
.change_pte = kvm_mmu_notifier_change_pte,
.release= kvm_mmu_notifier_release,
--
2.1.4
--
Andres Lagar-Cavilla | Google Kernel Team | andre...@google.com
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On Mon, Apr 13, 2015 at 10:25 PM, Wanpeng Li wanpeng...@linux.intel.com wrote:
Hi Andres,
On Fri, Apr 10, 2015 at 11:05:26AM -0700, Andres Lagar-Cavilla wrote:
[...]
+ if (sp-role.direct
+ !kvm_is_reserved_pfn(pfn
)
kvm_flush_remote_tlbs(kvm);
-out:
spin_unlock(kvm-mmu_lock);
}
--
1.9.1
--
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On Sun, Apr 12, 2015 at 6:45 PM, Xiao Guangrong
guangrong.x...@linux.intel.com wrote:
On 04/11/2015 02:05 AM, Andres Lagar-Cavilla wrote:
On Fri, Apr 3, 2015 at 12:40 AM, Wanpeng Li wanpeng...@linux.intel.com
wrote:
There are two scenarios for the requirement of collapsing small sptes
at http://vger.kernel.org/majordomo-info.html
.
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Lagar-Cavilla andre...@google.com
Otherwise, looks good!
Peter
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On Fri, Sep 26, 2014 at 10:25 AM, Andrea Arcangeli aarca...@redhat.com wrote:
On Thu, Sep 25, 2014 at 02:50:29PM -0700, Andres Lagar-Cavilla wrote:
It's nearly impossible to name it right because 1) it indicates we can
relinquish 2) it returns whether we still hold the mmap semaphore.
I'd
On Thu, Sep 25, 2014 at 2:16 PM, Andrea Arcangeli aarca...@redhat.com wrote:
Hi Andres,
On Wed, Sep 17, 2014 at 10:51:48AM -0700, Andres Lagar-Cavilla wrote:
+ if (!locked) {
+ VM_BUG_ON(npages != -EBUSY);
+
Shouldn't this be VM_BUG_ON(npages)?
Oh shoot you're right. I
Confusion around -EBUSY and zero (inside a BUG_ON no less).
Reported-by: AndreA Arcangeli aarca...@redhat.com
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
---
virt/kvm/kvm_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/virt/kvm/kvm_main.c b/virt/kvm
would make sense if you included
the accessed bit for each spte, instead of just the young variable.
FWIW the new arrangement in kvm.git/queue LGTM
Thanks
Andres
Paolo
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On Tue, Sep 23, 2014 at 12:49 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 22/09/2014 23:54, Andres Lagar-Cavilla ha scritto:
@@ -1406,32 +1406,24 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned
long *rmapp,
struct rmap_iterator uninitialized_var(iter);
int young = 0
After kvm: Fix page ageing bugs
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
---
arch/powerpc/include/asm/kvm_ppc.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h
b/arch/powerpc/include/asm/kvm_ppc.h
index fb86a22..d4a92d7
On Tue, Sep 23, 2014 at 10:58 AM, Andres Lagar-Cavilla
andre...@google.com wrote:
After kvm: Fix page ageing bugs
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
I can resend without the 1/2 (git n00b growing pains). Otherwise that
should fix the kbuild error. Apologies
Callbacks don't have to do extra computation to learn what the caller
(lvm_handle_hva_range()) knows very well. Useful for
debugging/tracing/printk/future.
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
---
arch/x86/kvm/mmu.c | 38 ++
include
), we emulate
the access bit by blowing the spte. This requires proper synchronizing
with MMU notifier consumers, like every other removal of spte's does.
Signed-off-by: Andres Lagar-Cavilla andre...@gooogle.com
---
arch/arm/include/asm/kvm_host.h | 3 ++-
arch/arm64/include/asm/kvm_host.h
* Func prototypes fixed
---
Signed-off-by: Andres Lagar-Cavilla andre...@gooogle.com
---
arch/arm/include/asm/kvm_host.h | 3 ++-
arch/arm64/include/asm/kvm_host.h | 3 ++-
arch/powerpc/include/asm/kvm_host.h | 2 +-
arch/powerpc/kvm/book3s.c | 4 ++--
arch/powerpc/kvm
* Func prototypes fixed
---
Signed-off-by: Andres Lagar-Cavilla andre...@gooogle.com
---
arch/arm/include/asm/kvm_host.h | 3 ++-
arch/arm64/include/asm/kvm_host.h | 3 ++-
arch/powerpc/include/asm/kvm_host.h | 2 +-
arch/powerpc/kvm/book3s.c | 4 ++--
arch/powerpc/kvm
* Func prototypes fixed
v2 - v3 * Added Acked-by
* Fix compilation in PowerPC
---
Signed-off-by: Andres Lagar-Cavilla andre...@gooogle.com
Acked-by: Rik van Riel r...@redhat.com
---
arch/arm/include/asm/kvm_host.h | 3 ++-
arch/arm64/include/asm/kvm_host.h | 3 ++-
arch
On Thu, Sep 18, 2014 at 11:08 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 19/09/2014 05:58, Andres Lagar-Cavilla ha scritto:
Paolo, should I recut including the recent Reviewed-by's?
No, I'll add them myself.
Paolo, is this patch waiting for something? Is Gleb's Reviewed-by enough
* Func prototypes fixed
v2 - v3 * Added Acked-by
* Fix compilation in PowerPC
v3 - v4 * Fix page shift direction in trace routine
* Clarified comment in rmap.c
---
Signed-off-by: Andres Lagar-Cavilla andre...@gooogle.com
Acked-by: Rik van Riel r...@redhat.com
---
arch
On Mon, Sep 22, 2014 at 2:48 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 22/09/2014 22:26, Andres Lagar-Cavilla ha scritto:
+ __entry-gfn= gfn;
+ __entry-hva= ((gfn - slot-base_gfn)
This must be .
Correct, thanks
On Thu, Sep 18, 2014 at 5:32 PM, Wanpeng Li wanpeng...@linux.intel.com wrote:
On Thu, Sep 18, 2014 at 09:13:26AM +0300, Gleb Natapov wrote:
On Thu, Sep 18, 2014 at 08:29:17AM +0800, Wanpeng Li wrote:
Hi Andres,
On Wed, Sep 17, 2014 at 10:51:48AM -0700, Andres Lagar-Cavilla wrote
On Wed, Sep 17, 2014 at 12:43 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 16/09/2014 20:42, Andres Lagar-Cavilla ha scritto:
On Tue, Sep 16, 2014 at 11:29 AM, Paolo Bonzini pbonz...@redhat.com wrote:
I think a first patch should introduce kvm_get_user_page_retry (Retry
a
fault
definitely
should, given that we are likely looking at swap/filemap.
Andres
--
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More
On Wed, Sep 17, 2014 at 10:08 AM, Gleb Natapov g...@kernel.org wrote:
On Wed, Sep 17, 2014 at 10:00:32AM -0700, Andres Lagar-Cavilla wrote:
On Wed, Sep 17, 2014 at 4:42 AM, Gleb Natapov g...@kernel.org wrote:
On Wed, Sep 17, 2014 at 01:27:14PM +0200, Radim Krčmář wrote:
2014-09-17 13:26+0300
On Wed, Sep 17, 2014 at 10:21 AM, Gleb Natapov g...@kernel.org wrote:
On Wed, Sep 17, 2014 at 10:13:45AM -0700, Andres Lagar-Cavilla wrote:
On Wed, Sep 17, 2014 at 10:08 AM, Gleb Natapov g...@kernel.org wrote:
On Wed, Sep 17, 2014 at 10:00:32AM -0700, Andres Lagar-Cavilla wrote:
On Wed, Sep
as a function of swap or filemap latency.
This patch ensures both the regular and async PF path re-enter the
fault allowing for the mmap semaphore to be relinquished in the case
of IO wait.
Reviewed-by: Radim Krčmář rkrc...@redhat.com
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
---
v1 - v2
On Tue, Sep 16, 2014 at 9:52 AM, Andres Lagar-Cavilla
andre...@google.com wrote:
Apologies to all. Resend as lists rejected my gmail-formatted version.
Now on plain text. Won't happen again.
On Tue, Sep 16, 2014 at 6:51 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 15/09/2014 22:11, Andres
On Tue, Sep 16, 2014 at 11:29 AM, Paolo Bonzini pbonz...@redhat.com wrote:
Il 16/09/2014 18:52, Andres Lagar-Cavilla ha scritto:
Was this:
down_read(mm-mmap_sem);
npages = get_user_pages(NULL, mm, addr, 1, 1, 0, NULL, NULL);
up_read(mm-mmap_sem);
the intention
On Tue, Sep 16, 2014 at 1:51 PM, Radim Krčmář rkrc...@redhat.com wrote:
2014-09-15 13:11-0700, Andres Lagar-Cavilla:
+int kvm_get_user_page_retry(struct task_struct *tsk, struct mm_struct *mm,
The suffix '_retry' is not best suited for this.
On first reading, I imagined we will be retrying
On Tue, Sep 16, 2014 at 3:34 PM, Radim Krčmář rkrc...@redhat.com wrote:
[Emergency posting to fix the tag and couldn't find unmangled Cc list,
so some recipients were dropped, sorry. (I guess you are glad though).]
2014-09-16 14:01-0700, Andres Lagar-Cavilla:
On Tue, Sep 16, 2014 at 1:51 PM
or filemap
latency.
This patch ensures both the regular and async PF path re-enter the fault
allowing for the mmap semaphore to be relinquished in the case of IO wait.
Signed-off-by: Andres Lagar-Cavilla andre...@google.com
---
include/linux/kvm_host.h | 9 +
include/linux/mm.h | 1
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