On 01/21/2015 03:08 AM, Christoffer Dall wrote:
On Thu, Jan 15, 2015 at 03:58:51PM -0800, Mario Smarduch wrote:
Patch series adds support for armv7/8 dirty page logging. As we move
towards generic dirty page logging interface we move some common code to
generic layer shared by x86, armv7
This patch adds support for arm64 hyp interface to flush all TLBs associated
with VMID.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm64/kvm/hyp.S | 22 ++
1 file changed, 22 insertions(+)
diff
This patch adds arm64 helpers to write protect pmds/ptes and retrieve
permissions while logging dirty pages. Also adds prototype to write protect
a memory slot and adds a pmd define to check for read-only pmds.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Reviewed-by: Marc Zyngier marc.zyng...@arm.com
Signed-off-by: Mario Smarduch m.smard
.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 97 +++-
1 file changed, 88 insertions(+), 9 deletions(-)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 73d506f..ea6b13e 100644
--- a/arch/arm/kvm/mmu.c
+++ b
Add support for initial write protection of VM memslots. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
always valid on ARMv7
Acked-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include
variants for TLB Flushing
and dirty log read (patches 1,2 3,4,5,6)
- rebased to 3.16.0-rc1
- Applied Christoffers comments
Mario Smarduch (9):
KVM: Add architecture-defined TLB flush support
KVM: Add generic support for dirty page logging
KVM: arm: Add ARMv7 API to flush TLBs
KVM: arm
Bonzini pbonz...@redhat.com
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
virt/kvm/Kconfig|3 +++
virt/kvm/kvm_main.c |2 ++
2 files changed, 5 insertions(+)
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index fc0c5e6..3796a21 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm
This patch enables ARMv8 ditry page logging support. Plugs ARMv8 into generic
layer through Kconfig symbol, and drops earlier ARM64 constraints to enable
logging at architecture layer.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
From: Paolo Bonzini pbonz...@redhat.com
We now have a generic function that does most of the work of
kvm_vm_ioctl_get_dirty_log, now use it.
Acked-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/x86/include/asm/kvm_host.h |3
.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
include/linux/kvm_host.h |9 ++
virt/kvm/Kconfig |6
virt/kvm/kvm_main.c | 80 ++
3 files changed, 95
On 01/08/2015 03:32 AM, Christoffer Dall wrote:
On Wed, Jan 07, 2015 at 07:01:10PM -0800, Mario Smarduch wrote:
On 01/07/2015 05:05 AM, Christoffer Dall wrote:
On Sun, Dec 14, 2014 at 11:28:08PM -0800, Mario Smarduch wrote:
This patch adds the same support for PUD huge page as for PMD. Huge
On 01/07/2015 05:05 AM, Christoffer Dall wrote:
On Sun, Dec 14, 2014 at 11:28:08PM -0800, Mario Smarduch wrote:
This patch adds the same support for PUD huge page as for PMD. Huge PUD is
write protected for initial memory region write protection. Code to dissolve
huge PUD is supported
On 01/07/2015 04:47 AM, Christoffer Dall wrote:
On Sun, Dec 14, 2014 at 11:28:07PM -0800, Mario Smarduch wrote:
This patch enables ARMv8 ditry page logging support. Plugs ARMv8 into generic
dirty
yeah.
layer through Kconfig symbol, and drops earlier ARM64
Bonzini pbonz...@redhat.com
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
virt/kvm/Kconfig| 3 +++
virt/kvm/kvm_main.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index fc0c5e6..3796a21 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
comments
Mario Smarduch (10):
KVM: Add architecture-defined TLB flush support
KVM: Add generic support for dirty page logging
KVM: arm: Add ARMv7 API to flush TLBs
KVM: arm: Add initial dirty page locking support
KVM: arm: dirty logging write protect support
KVM: arm: page logging 2nd
From: Paolo Bonzini pbonz...@redhat.com
We now have a generic function that does most of the work of
kvm_vm_ioctl_get_dirty_log, now use it.
Acked-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/x86/include/asm/kvm_host.h | 3
.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
include/linux/kvm_host.h | 9 ++
virt/kvm/Kconfig | 6
virt/kvm/kvm_main.c | 80
3 files changed, 95
This patch adds ARMv7 architecture TLB Flush function.
Acked-by: Marc Zyngier marc.zyng...@arm.com
Acked-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h | 1 +
arch/arm/include/asm/kvm_host.h | 12
Add support for initial write protection of VM memslots. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
always valid on ARMv7
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h | 2 +
arch/arm/include/asm
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Reviewed-by: Marc Zyngier marc.zyng...@arm.com
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/Kconfig | 1 +
arch/arm
into
functions.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 86 +-
1 file changed, 78 insertions(+), 8 deletions(-)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 73d506f..dc763bb 100644
--- a/arch/arm/kvm
This patch adds arm64 helpers to write protect pmds/ptes and retrieve
permissions while logging dirty pages. Also adds prototype to write protect
a memory slot and adds a pmd define to check for read-only pmds.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario
This patch adds support for arm64 hyp interface to flush all TLBs associated
with VMID.
Reviewed-by: Christoffer Dall christoffer.d...@linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm64/kvm/hyp.S | 22 ++
1 file changed, 22 insertions(+)
diff
This patch enables ARMv8 ditry page logging support. Plugs ARMv8 into generic
layer through Kconfig symbol, and drops earlier ARM64 constraints to enable
logging at architecture layer.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h | 12
entry is cleared.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_mmu.h | 8 +
arch/arm/kvm/mmu.c | 64 --
arch/arm64/include/asm/kvm_mmu.h | 9 +
arch/arm64/include/asm/pgtable-hwdef.h | 3
On 11/25/2014 02:22 AM, Christoffer Dall wrote:
Hi Mario,
On Thu, Nov 13, 2014 at 05:57:41PM -0800, Mario Smarduch wrote:
Patch series adds support for ARMv7 and generic dirty page logging support.
As we try to move towards generic dirty page logging additional logic is
moved
to generic
On 11/22/2014 11:19 AM, Christoffer Dall wrote:
On Thu, Nov 13, 2014 at 05:57:44PM -0800, Mario Smarduch wrote:
From: Paolo Bonzini pbonz...@redhat.com
We now have a generic function that does most of the work of
kvm_vm_ioctl_get_dirty_log, now use it.
Signed-off-by: Mario Smarduch m.smard
On 11/22/2014 11:40 AM, Christoffer Dall wrote:
On Thu, Nov 13, 2014 at 05:57:47PM -0800, Mario Smarduch wrote:
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Reviewed-by: Marc Zyngier
On 11/22/2014 11:33 AM, Christoffer Dall wrote:
On Thu, Nov 13, 2014 at 05:57:46PM -0800, Mario Smarduch wrote:
Add support for initial write protection of VM memslots. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
always valid on ARMv7.
Signed-off
On 11/14/2014 08:45 AM, Marc Zyngier wrote:
Hi Mario,
On 14/11/14 01:57, Mario Smarduch wrote:
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and dissolves huge pages to page tables.
In case migration is canceled huge pages
On 11/14/2014 12:06 AM, Cornelia Huck wrote:
On Thu, 13 Nov 2014 17:57:41 -0800
Mario Smarduch m.smard...@samsung.com wrote:
Patch series adds support for ARMv7 and generic dirty page logging support.
As we try to move towards generic dirty page logging additional logic is
moved
and architecture specific variants for TLB Flushing
and dirty log read (patches 1,2 3,4,5,6)
- rebased to 3.16.0-rc1
- Applied Christoffers comments.
Mario Smarduch (6):
KVM: Add architecture-defined TLB flush support
KVM: Add generic support for dirty page logging
KVM: arm: Add ARMv7 API
.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
include/linux/kvm_host.h |9 ++
virt/kvm/Kconfig |6
virt/kvm/kvm_main.c | 80 ++
3 files changed, 95 insertions(+)
diff --git a/include/linux/kvm_host.h b/include
Allow architectures to override the generic kvm_flush_remote_tlbs()
function via HAVE_KVM_ARCH_TLB_FLUSH_ALL. ARMv7 will need this to
provide its own TLB flush interface.
Reviewed-by: Marc Zyngier marc.zyng...@arm.com
Reviewed-by: Paolo Bonzini pbonz...@redhat.com
Signed-off-by: Mario Smarduch
Add support for initial write protection of VM memslots. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
always valid on ARMv7.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |2 +
arch/arm/include/asm
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Reviewed-by: Marc Zyngier marc.zyng...@arm.com
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/Kconfig |1 +
arch/arm
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and dissolves huge pages to page tables.
In case migration is canceled huge pages are used again.
Reviewed-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario
Hi Paolo,
I changed your patch a little to use a Kconfig symbol,
hope that's fine with you.
- Mario
On 11/13/2014 05:57 PM, Mario Smarduch wrote:
From: Paolo Bonzini pbonz...@redhat.com
We now have a generic function that does most of the work of
kvm_vm_ioctl_get_dirty_log, now use
On 11/07/2014 01:07 AM, Cornelia Huck wrote:
On Thu, 06 Nov 2014 16:40:43 -0800
Mario Smarduch m.smard...@samsung.com wrote:
kvm_get_dirty_log() provides generic handling of dirty bitmap, currently
reused
by several architectures. Building on that we intrdoduce
kvm_get_dirty_log_protect
On 11/07/2014 01:44 AM, Marc Zyngier wrote:
On 07/11/14 00:40, Mario Smarduch wrote:
This patch adds ARMv7 architecture TLB Flush function.
Acked-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h
On 11/07/2014 02:15 AM, Marc Zyngier wrote:
On 07/11/14 00:40, Mario Smarduch wrote:
Add support for initial write protection of VM memlsot. This patch
memslots
series assumes that huge PUDs will not be used in 2nd stage tables, which is
awlays
On 11/07/2014 02:33 AM, Marc Zyngier wrote:
On 07/11/14 00:40, Mario Smarduch wrote:
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and dissolves huge pages to page tables.
In case migration is canceled huge pages are used again
On 11/06/2014 11:38 PM, Paolo Bonzini wrote:
On 07/11/2014 01:40, Mario Smarduch wrote:
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Signed-off-by: Mario Smarduch m.smard
On 11/06/2014 11:44 PM, Paolo Bonzini wrote:
On 07/11/2014 01:40, Mario Smarduch wrote:
In the next patches, we will move parts of x86's kvm_vm_ioctl_get_dirty_log
implementation to generic code; leave the arch-specific code at the end,
similar to the existing generic function
On 11/07/2014 12:02 PM, Christoffer Dall wrote:
On Fri, Nov 07, 2014 at 11:50:09AM -0800, Mario Smarduch wrote:
On 11/06/2014 11:44 PM, Paolo Bonzini wrote:
On 07/11/2014 01:40, Mario Smarduch wrote:
In the next patches, we will move parts of x86's kvm_vm_ioctl_get_dirty_log
implementation
On 11/07/2014 12:18 PM, Christoffer Dall wrote:
On Thu, Nov 06, 2014 at 04:40:45PM -0800, Mario Smarduch wrote:
This patch adds ARMv7 architecture TLB Flush function.
Acked-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm
comments
Changes since v9:
- Split patches into generic and architecture specific variants for TLB Flushing
and dirty log read (patches 1,2 3,4,5,6)
- rebased to 3.16.0-rc1
- Applied Christoffers comments.
Mario Smarduch (7):
KVM: Add architecture-defined TLB flush support
KVM: Add generic
Allow architectures to override the generic kvm_flush_remote_tlbs()
function via HAVE_KVM_ARCH_TLB_FLUSH_ALL. ARMv7 will need this to
provide its own TLB flush interface.
Reviewed-by: Paolo Bonzini pbonz...@redhat.com
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
virt/kvm/Kconfig
.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
include/linux/kvm_host.h |9 +
virt/kvm/kvm_main.c | 95 ++
2 files changed, 104 insertions(+)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index a4c33b3
In the next patches, we will move parts of x86's kvm_vm_ioctl_get_dirty_log
implementation to generic code; leave the arch-specific code at the end,
similar to the existing generic function kvm_get_dirty_log.
Reviewed-by: Mario Smarduch m.smard...@samsung.com
Signed-off-by: Paolo Bonzini pbonz
This patch adds ARMv7 architecture TLB Flush function.
Acked-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/include/asm/kvm_host.h | 12
arch/arm/kvm/Kconfig
Add support for initial write protection of VM memlsot. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
awlays valid on ARMv7.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |2 +
arch/arm/include/asm
Add support to track dirty pages between user space KVM_GET_DIRTY_LOG ioctl
calls. We call kvm_get_dirty_log_protect() function to do most of the work.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/arm.c | 37 +
arch/arm/kvm/mmu.c
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and dissolves huge pages to page tables.
In case migration is canceled huge pages are used again.
Reviewed-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario
On 11/05/2014 08:09 AM, Paolo Bonzini wrote:
On 01/11/2014 11:12, James Hogan wrote:
AFAICT all of the arch implementations of kvm_vm_ioctl_get_dirty_log()
except x86 and ppc hv (i.e. ia60, mips, ppc pv, s390) already make use
of the existing generic function kvm_get_dirty_log() to help
On 11/01/2014 03:12 AM, James Hogan wrote:
Hi Mario,
On Wed, Oct 22, 2014 at 03:34:07PM -0700, Mario Smarduch wrote:
+/**
+ * kvm_vm_ioctl_get_dirty_log - get and clear the log of dirty pages in a
slot
+ * @kvm: kvm instance
+ * @log: slot id and address to which we copy the log
On 11/02/2014 07:01 PM, Takuya Yoshikawa wrote:
On Thu, 30 Oct 2014 12:19:00 -0700
Mario Smarduch m.smard...@samsung.com wrote:
On 10/30/2014 05:14 AM, Cornelia Huck wrote:
On Wed, 22 Oct 2014 15:34:07 -0700
Mario Smarduch m.smard...@samsung.com wrote:
This patch defines
On 10/30/2014 05:14 AM, Cornelia Huck wrote:
On Wed, 22 Oct 2014 15:34:07 -0700
Mario Smarduch m.smard...@samsung.com wrote:
This patch defines KVM_GENERIC_DIRTYLOG, and moves dirty log read function
to it's own file virt/kvm/dirtylog.c. x86 is updated to use the generic
dirty log interface
On 10/30/2014 05:11 AM, Christian Borntraeger wrote:
Am 23.10.2014 00:34, schrieb Mario Smarduch:
This patch series introduces dirty page logging for ARMv7 and adds some
degree
of generic dirty logging support for x86, armv7 and later armv8.
I implemented Alex's suggestion after he took
On 10/27/2014 06:24 PM, Wanpeng Li wrote:
On Mon, Oct 27, 2014 at 05:28:28PM -0700, Mario Smarduch wrote:
Hi Wanpeng,
On 10/27/2014 04:26 PM, Wanpeng Li wrote:
[...]
Testing:
- Generally live migration + checksumming of source/destination memory
regions
is used validate correctness
Architecture maintainers (the To: folks) please provide your comments.
This patch series has gone through quite a few itterations it
would be nice to see the light at the end of the tunnel.
Thanks.
Mario
On 10/22/2014 03:34 PM, Mario Smarduch wrote:
This patch series introduces dirty page
Hi Wanpeng,
On 10/27/2014 04:26 PM, Wanpeng Li wrote:
[...]
Testing:
- Generally live migration + checksumming of source/destination memory
regions
is used validate correctness.
Could you tell me where to get the checksum you are using? In addition,
checksum should be used at which
:
- Split patches into generic and architecture specific variants for TLB Flushing
and dirty log read (patches 1,2 3,4,5,6)
- rebased to 3.16.0-rc1
- Applied Christoffers comments.
Mario Smarduch (6):
KVM: Add architecture-defined TLB flush support
KVM: Add generic support for dirty page
.
This changed from previous patch revision where non-generic architectures
were modified.
In subsequent patch armv7 does samething. All other architectures continue
use architecture defined version.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/x86/include/asm/kvm_host.h |3
-by: Mario Smarduch m.smard...@samsung.com
---
virt/kvm/Kconfig|3 +++
virt/kvm/kvm_main.c |2 ++
2 files changed, 5 insertions(+)
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index fc0c5e6..3796a21 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -37,3 +37,6 @@ config
This patch adds ARMv7 architecture TLB Flush function.
Acked-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/include/asm/kvm_host.h | 12
arch/arm/kvm/Kconfig
Patch adds support for initial write protection of VM memlsot. This patch
series assumes that huge PUDs will not be used in 2nd stage tables, which is
awlays valid on ARMv7.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |2 +
arch/arm
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and dissolves huge pages to page tables.
In case migration is canceled huge pages are used again.
Reviewed-by: Christoffer Dall christoffer.dall at linaro.org
Signed-off-by: Mario
This patch adds support to track VM dirty pages, between dirty log reads. Pages
that have been dirtied since last log read are write protected again, in
preparation of next dirty log read. In addition ARMv7 dirty log read function
is pushed up to generic layer.
Signed-off-by: Mario Smarduch
I'm having trouble understanding how this works where
the Guest Device Model != Host. How do you inform the guest
where the device is mapped in its physical address space,
and handle GPA faults?
- Mario
On 7/3/2013 11:40 PM, Yoder Stuart-B08248 wrote:
Version 2
-VFIO_GROUP_GET_DEVICE_FD--
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