On 05.11.14 02:21, Paul Mackerras wrote:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
In kvm_test_clear_dirty(), if we find an invalid HPTE we move on to the
next HPTE without unlocking the invalid one. In fact we should never
find an invalid and unlocked HPTE in the rmap chain,
On 03.11.14 16:35, Cédric Le Goater wrote:
When being restored from qemu, the kvm_get_htab_header are in native
endian, but the ptes are big endian.
This patch fixes restore on a KVM LE host. Qemu also needs a fix for
this :
On 03.11.14 05:51, Paul Mackerras wrote:
From: Mahesh Salgaonkar mah...@linux.vnet.ibm.com
When we get an HMI (hypervisor maintenance interrupt) while in a
guest, we see that guest enters into paused state. The reason is, in
kvmppc_handle_exit_hv it falls through default path and returns
On 03.11.14 05:51, Paul Mackerras wrote:
Here are fixes for five bugs which were found in the testing of our
PowerKVM product. The bugs range from guest performance issues to
guest crashes and memory corruption. Please apply.
Thanks, applied patches 1-4 to kvm-ppc-queue.
Alex
--
To
On 03.11.14 05:52, Paul Mackerras wrote:
From: Suresh E. Warrier warr...@linux.vnet.ibm.com
The kvmppc_vcore_blocked() code does not check for the wait condition
after putting the process on the wait queue. This means that it is
possible for an external interrupt to become pending, but the
When being restored from qemu, the kvm_get_htab_header are in native
endian, but the ptes are big endian.
This patch fixes restore on a KVM LE host. Qemu also needs a fix for
this :
http://lists.nongnu.org/archive/html/qemu-ppc/2014-11/msg8.html
Signed-off-by: Cédric Le Goater
On 11/14/2014 04:56 AM, Alexander Graf wrote:
Am 14.11.2014 um 00:29 schrieb Suresh E. Warrier
warr...@linux.vnet.ibm.com:
This patch adds trace points in the guest entry and exit code and also
for exceptions handled by the host in kernel mode - hypercalls and page
faults. The new
Dear Sir
Did your website get hit by Google Penguin update on October 17th 2014? What
basically is Google Penguin Update? It is actually a code name for Google
algorithm which aims at decreasing your websites search engine rankings that
violate Googles guidelines by using black hat SEO
On 16.10.14 21:29, kernelf...@gmail.com wrote:
Nowadays, when running powerKVM(book3s, hv mode), we should make the
secondary hwthread
offline. Which means that if we run misc tsks other than dedicated KVM (e.g
mix java and KVM),
we will lose the compute power of the secondary hwthread on
On Wed, Nov 12, 2014 at 5:22 PM, Srikar Dronamraju
sri...@linux.vnet.ibm.com wrote:
* kernelf...@gmail.com kernelf...@gmail.com [2014-10-16 15:29:50]:
Some system such as powerpc, some tsk (vcpu thread) can only run on
the dedicated cpu. Since we adapt some asymmetric method to monitor the
On Mon, Oct 27, 2014 at 12:04 PM, Preeti U Murthy
pre...@linux.vnet.ibm.com wrote:
Hi Liu,
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
When kvm is enabled on a core, we migrate all external irq to primary
thread. Since currently, the kvmirq logic is handled by the primary
hwthread.
On Mon, Oct 27, 2014 at 12:45 PM, Preeti U Murthy
pre...@linux.vnet.ibm.com wrote:
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
(This patch is a place holder.)
If there is only one vcpu thread is ready(the other vcpu thread can
wait for it to execute), the primary thread can enter
On Mon, Oct 27, 2014 at 1:32 PM, Preeti U Murthy
pre...@linux.vnet.ibm.com wrote:
Hi Liu,
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
Nowadays, powerKVM runs with secondary hwthread offline. Although
we can make all secondary hwthread online later, we still preserve
this behavior for
On Mon, Oct 27, 2014 at 2:40 PM, Preeti U Murthy
pre...@linux.vnet.ibm.com wrote:
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
(This is a place holder patch.)
We need to store the time base for host on secondary hwthread.
Later when switching back, we need to reprogram it with elapse
On Mon, Oct 27, 2014 at 2:44 PM, Preeti U Murthy
pre...@linux.vnet.ibm.com wrote:
On 10/17/2014 01:00 AM, kernelf...@gmail.com wrote:
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
arch/powerpc/kvm/Kconfig | 4
1 file changed, 4 insertions(+)
diff --git
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
to generic code. Initially x86, armv7 KVM_GET_DIRTY_LOG
On 14/11/2014 03:06, Mario Smarduch wrote:
Hi Paolo,
I changed your patch a little to use a Kconfig symbol,
hope that's fine with you.
Of course, thanks.
Paolo
- Mario
On 11/13/2014 05:57 PM, Mario Smarduch wrote:
From: Paolo Bonzini pbonz...@redhat.com
We now have a generic
Am 14.11.2014 um 00:29 schrieb Suresh E. Warrier warr...@linux.vnet.ibm.com:
This patch adds trace points in the guest entry and exit code and also
for exceptions handled by the host in kernel mode - hypercalls and page
faults. The new events are added to /sys/kernel/debug/tracing/events
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 are used again.
Reviewed-by: Christoffer Dall
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
to
Dear Sir
Did your website get hit by Google Penguin update on October 17th 2014? What
basically is Google Penguin Update? It is actually a code name for Google
algorithm which aims at decreasing your websites search engine rankings that
violate Googles guidelines by using black hat SEO
This patch adds trace points in the guest entry and exit code and also
for exceptions handled by the host in kernel mode - hypercalls and page
faults. The new events are added to /sys/kernel/debug/tracing/events
under a new subsystem called kvm_hv.
Acked-by: Paul Mackerras pau...@samba.org
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 code. Initially x86, armv7 KVM_GET_DIRTY_LOG reuses generic
code, shortly followed by armv8 patches.
Testing:
- Generally live
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() adding write protection to mark these pages dirty
for future write access, before next KVM_GET_DIRTY_LOG ioctl call from user
space.
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 +
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 +
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 it.
* kernelf...@gmail.com kernelf...@gmail.com [2014-10-16 15:29:50]:
Some system such as powerpc, some tsk (vcpu thread) can only run on
the dedicated cpu. Since we adapt some asymmetric method to monitor the
whole physical cpu. (powerKVM only allows the primary hwthread to
set up runtime env
* kernelf...@gmail.com kernelf...@gmail.com [2014-10-16 15:29:51]:
When vcpu thread runs at the first time, it will ensure to stick
to the primary thread.
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_host.h | 3 +++
* kernelf...@gmail.com kernelf...@gmail.com [2014-10-16 15:29:52]:
When kvm is enabled on a core, we migrate all external irq to primary
thread. Since currently, the kvmirq logic is handled by the primary
hwthread.
Todo: this patch lacks re-enable of irqbalance when kvm is disable on
the
When injecting an IRQ, we only document which IRQ priority (which translates
to IRQ type) gets injected. However, when reading traces you don't necessarily
have all the numbers in your head to know which IRQ really is meant.
This patch converts the IRQ number field to a symbolic name that is in
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() adding write protection to mark these pages
On 07/11/2014 10:07, Cornelia Huck wrote:
+#if defined(CONFIG_S390) || defined(CONFIG_PPC) || defined(CONFIG_MIPS)
|| \
+defined(CONFIG_IA64) || defined(CONFIG_X86) || defined(CONFIG_ARM) ||
\
+defined(CONFIG_ARM64)
Does this deserve a config symbol that can be selected by
On 07/11/14 00:40, Mario Smarduch wrote:
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
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 valid on ARMv7.
always
Signed-off-by:
On 07/11/14 00:40, 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...@samsung.com
---
arch/arm/kvm/arm.c | 37
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.
Reviewed-by: Christoffer Dall
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
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
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
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 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/include/asm/kvm_asm.h |1 +
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
---
On Fri, Nov 07, 2014 at 12:44:13PM -0800, Mario Smarduch wrote:
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,
On 07/11/2014 20:47, Mario Smarduch wrote:
That can happen if the error occurred in the final
copy to userspace, after page tables have been modified.
Upon error return userspace should terminate logging, error out whether
used for migration or other use cases, with some stale spte TLBs
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 code. Initially armv7 KVM_GET_DIRTY_LOG ioctl reuses generic code,
to be followed by armv8 and x86.
Testing:
- Generally live
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|
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() adding write protection to mark these pages dirty
for future write access, before next KVM_GET_DIRTY_LOG ioctl call from user
space.
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
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 +
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 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...@samsung.com
---
arch/arm/kvm/arm.c | 37
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 kvm_get_dirty_log.
Reviewed-by: Mario Smarduch
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 implement
their kvm_vm_ioctl_get_dirty_log
On 23/10/2014 00:34, Mario Smarduch wrote:
This patch adds support for architecture implemented VM TLB flush, currently
ARMv7 defines HAVE_KVM_ARCH_TLB_FLUSH_ALL. This leaves other architectures
unaffected using the generic version. In subsequent patch ARMv7 defines
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 11/03/2014 05:23 PM, Michael S. Tsirkin wrote:
On Wed, Oct 29, 2014 at 09:38:41AM +0100, Cédric Le Goater wrote:
This patchset adds a VHOST_VRING_F_BYTESWAP flag to inform the host
to byteswap data of the vring when the guest and the host have a
different endian order. The flag is stored
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
In kvm_test_clear_dirty(), if we find an invalid HPTE we move on to the
next HPTE without unlocking the invalid one. In fact we should never
find an invalid and unlocked HPTE in the rmap chain, but for robustness
we should unlock it. This
When being restored from qemu, the kvm_get_htab_header are in native
endian, but the ptes are big endian.
This patch fixes restore on a KVM LE host. Qemu also needs a fix for
this :
http://lists.nongnu.org/archive/html/qemu-ppc/2014-11/msg8.html
Signed-off-by: Cédric Le Goater
On Wed, 29 Oct 2014 09:38:43 +0100
Cédric Le Goater c...@fr.ibm.com wrote:
This patch adds a few helper routines around get_user and put_user
to ease byteswapping.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
I am not sure these routines belong to this file. There is room for
On Wed, Oct 29, 2014 at 09:38:41AM +0100, Cédric Le Goater wrote:
This patchset adds a VHOST_VRING_F_BYTESWAP flag to inform the host
to byteswap data of the vring when the guest and the host have a
different endian order. The flag is stored at initialization in an
attribute of the virtio
On Wed, Oct 29, 2014 at 09:38:45AM +0100, Cédric Le Goater wrote:
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
This patch casts userspace pointers to void *,
this is generally unsafe. In particular sparse will warn.
---
drivers/vhost/net.c | 39 ++-
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 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 KVM_GENERIC_DIRTYLOG, and moves dirty log read function
to
The B (segment size) field in the RB operand for the tlbie
instruction is two bits, which we get from the top two bits of
the first doubleword of the HPT entry to be invalidated. These
bits go in bits 8 and 9 of the RB operand (bits 54 and 55 in IBM
bit numbering).
The compute_tlbie_rb()
Here are fixes for five bugs which were found in the testing of our
PowerKVM product. The bugs range from guest performance issues to
guest crashes and memory corruption. Please apply.
Paul.
---
arch/powerpc/include/asm/kvm_book3s_64.h | 2 +-
arch/powerpc/kvm/book3s_hv.c | 22
From: Suresh E. Warrier warr...@linux.vnet.ibm.com
This fixes some inaccuracies in the state machine for the virtualized
ICP when implementing the H_IPI hcall (Set_MFFR and related states):
1. The old code wipes out any pending interrupts when the new MFRR is
more favored than the CPPR but
Testing with KSM active in the host showed occasional corruption of
guest memory. Typically a page that should have contained zeroes
would contain values that look like the contents of a user process
stack (values such as 0x_3fff__xxx).
Code inspection in kvmppc_h_protect revealed that
From: Mahesh Salgaonkar mah...@linux.vnet.ibm.com
When we get an HMI (hypervisor maintenance interrupt) while in a
guest, we see that guest enters into paused state. The reason is, in
kvmppc_handle_exit_hv it falls through default path and returns to
host instead of resuming guest. This causes
Paul Mackerras pau...@samba.org writes:
The B (segment size) field in the RB operand for the tlbie
instruction is two bits, which we get from the top two bits of
the first doubleword of the HPT entry to be invalidated. These
bits go in bits 8 and 9 of the RB operand (bits 54 and 55 in IBM
Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com writes:
Paul Mackerras pau...@samba.org writes:
The B (segment size) field in the RB operand for the tlbie
instruction is two bits, which we get from the top two bits of
the first doubleword of the HPT entry to be invalidated. These
bits go
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
+ *
+ * We need to keep it in mind that VCPU threads
On Wed, 22 Oct 2014 15:34:06 -0700
Mario Smarduch m.smard...@samsung.com wrote:
This patch adds support for architecture implemented VM TLB flush, currently
ARMv7 defines HAVE_KVM_ARCH_TLB_FLUSH_ALL. This leaves other architectures
unaffected using the generic version. In subsequent patch
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 a look at the patches at kvm
forum to simplify the
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, selecting KVM_GENERIC_DIRTYLOG in its Kconfig
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
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 a
The virtqueue structure shares a few attributes with the guest OS
which need to be byteswapped when the endian order of the host is
different.
This patch uses the vq-byteswap attribute to decide whether to
byteswap or not data being accessed in the guest memory.
Signed-off-by: Cédric Le Goater
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
drivers/vhost/net.c | 39 ++-
1 file changed, 30 insertions(+), 9 deletions(-)
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 8dae2f724a35..f2d5f585dae9 100644
--- a/drivers/vhost/net.c
+++
This patch adds a few helper routines around get_user and put_user
to ease byteswapping.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
I am not sure these routines belong to this file. There is room for
improvement to remove the ugly switch (sizeof(*(ptr))). Please
comment !
On 10/15/2014 07:28 PM, Aneesh Kumar K.V wrote:
=
[ INFO: possible recursive locking detected ]
3.17.0+ #31 Not tainted
-
qemu-system-ppc/9112 is trying to acquire lock:
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
On Wed, Oct 15, 2014 at 10:58:45PM +0530, Aneesh Kumar K.V wrote:
=
[ INFO: possible recursive locking detected ]
3.17.0+ #31 Not tainted
-
qemu-system-ppc/9112 is trying to acquire lock:
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
To enter guest, primary hwtherad schedules the stopper func on
secondary threads and force them into NAP mode.
When exit to host,secondary threads hardcode to restore the stack,
then switch back to the stopper func, i.e host.
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
The secondary thread can only jump back to host until primary has set
up the env. Add host_ready field in kvm_vcore to sync this action.
Do we need to do this? We already synchronize among the sibling threads
when there is a need to enter the
On 10/17/2014 12:59 AM, kernelf...@gmail.com wrote:
(This is a place holder patch.)
We need to store the time base for host on secondary hwthread.
Later when switching back, we need to reprogram it with elapse
time.
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
On 10/17/2014 01:00 AM, kernelf...@gmail.com wrote:
Signed-off-by: Liu Ping Fan pingf...@linux.vnet.ibm.com
---
arch/powerpc/kvm/Kconfig | 4
1 file changed, 4 insertions(+)
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index 602eb51..de38566 100644
---
Hi Mario,
On Wed, Oct 22, 2014 at 03:34:05PM -0700, Mario Smarduch wrote:
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 a look at the patches at kvm
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
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.
Could you tell me where to get the checksum
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