Host: Prio Drop Guest: Prio Drop
- Mario
Signed-off-by: Mario Smarduch mario.smard...@huawei.com
---
arch/arm/kvm/Kconfig|8 +++
drivers/irqchip/irq-gic.c | 145 ++-
include/linux/irqchip/arm-gic.h |6 ++
3 files changed, 156
to '/proc/irq/sp804 irq/smp_affinity'
confirm dynamic CPU affinity.
- IRQ rates (maybe not that important give its emulated env) reached
excess of 500.
There is a QEMU piece very simple for now that I will
email later, in case someone would like to test.
- Mario
Signed-off-by: Mario Smarduch
This patch is for testing only and goes along with other
two patches for priodrop and dev passthrough, it should apply against
1.4.5.
diff --git a/cpus.c b/cpus.c
index c15ff6c..0c19214 100644
--- a/cpus.c
+++ b/cpus.c
@@ -737,6 +737,26 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
On 6/11/2013 10:28 AM, Alexander Graf wrote:
Is there any particular reason you're not going down that path for your ARM
implementation?
We see this as a good starting point to build on, we need baseline numbers
for performance, latency, interrupt throughput on real hardware
ASAP to build
I know Antonios very well. Yes our intent is definitely to use VFIO.
- Mario
On 6/11/2013 4:52 PM, Alex Williamson wrote:
On Tue, 2013-06-11 at 16:13 +0200, Mario Smarduch wrote:
On 6/11/2013 10:28 AM, Alexander Graf wrote:
Is there any particular reason you're not going down that path
Hi Grant,
appreciate the strong feedback, I agree with all
the coding observations will make the changes.
I have few inline responses.
+static u32 gic_irq_prio_drop[DIV_ROUND_UP(1020, 32)] __read_mostly;
I believe it is possible to have more than one GIC in a
Resending, initial email from my exchange client got rejected
due to HTML content
On 6/12/2013 8:45 AM, Mario Smarduch wrote:
Hi Antonios,
thanks for your feedback, initially we’ll work with static binding
gain performance data given latency/throughput is key, later add dynamic
performance
latency issue (some ARM related) for device passthrough
while we migrate towards VFIO.
- Mario
Signed-off-by: Mario Smarduch mario.smard...@huawei.com
---
arch/arm/include/asm/kvm_host.h | 31 +
arch/arm/include/asm/kvm_vgic.h | 10 ++
arch/arm/kvm/Makefile |1 +
arch
On 6/15/2013 5:47 PM, Paolo Bonzini wrote:
Il 13/06/2013 11:19, Mario Smarduch ha scritto:
Updated Device Passthrough Patch.
- optimized IRQ-CPU-vCPU binding, irq is installed once
- added dynamic IRQ affinity on schedule in
- added documentation and few other coding recommendations.
Per
On 6/24/2013 10:01 PM, Christoffer Dall wrote:
There are many other latency/perf. reqs for NFV related to RT,
essentially Guest must run near native. In the end it may turn out this
may need to be outside of main tree we'll see.
It doesn't sound like this will be the end result. Everything
On 6/25/2013 12:27 AM, Stuart Yoder wrote:
We should avoid creating an environment with important functionality
outside of the main tree, if at all possible.
Also, as we architect that generic infrastructure we need to keep in mind that
there are important use cases for doing I/O in user
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--
Hello
I've been working on live migration for ARM-KVM, and noticed
problem completing migration with huge 2nd stage tables.
Aafter write protecting the VM, for write fault 512 page bits
are set in dirty_bitmap[] to take into account future writes to
huge page.The pmd is write protected again
fast update rates 16Mb/5mS.
Next course of action would be rmap support which
scales much better on bigger systems. Although one
think that confused me, x86 migrations were sometimes
10 to 15 times slower, I think it must be something
wrong with my configuration.
Mario Smarduch (3):
headers
- support QEMU interface for initial VM Write Protect
- QEMU Dirty bit map log retrieval
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/arm.c | 62 +++-
1 file changed, 61 insertions(+), 1 deletion(-)
diff --git a/arch
- Support write protection of entire VM address space
- Split pmds section in migration mode
- Write protect dirty pages on Dirty log read
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 158 +++-
1 file changed
Headers for migration, prototypes
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |9 +
1 file changed, 9 insertions(+)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 098f7dd..9b71f13 100644
--- a/arch
.
- Mario
-Original Message-
From: Marc Zyngier [mailto:marc.zyng...@arm.com]
Sent: Tuesday, April 15, 2014 2:13 AM
To: Mario Smarduch
Cc: kvm...@lists.cs.columbia.edu; christoffer.d...@linaro.org; 이정석; 정성진;
kvm@vger.kernel.org
Subject: Re: [PATCH 0/3] migration dirty bitmap support ARMv7
On 04/15/2014 01:58 AM, Marc Zyngier wrote:
Why do you nuke the whole TLBs for this VM? I assume you're going to
repeatedly call this for all the huge pages, aren't you? Can you delay
this flush to do it only once?
+get_page(virt_to_page(pte));
+return true;
+}
+
+/*
+ *
Hi Eric, Mark -
what repository should I use to pick up Eric patches?
For kvm_vm_ioctl_get_dirty_log() not sure what to make generic
it appears generic enough and it does what it needs to do?
Thanks,
Mario
On 04/15/2014 02:06 AM, Marc Zyngier wrote:
On 15/04/14 02:24, Mario Smarduch wrote
pages are broken up into small pages to support
migration on loaded systems.
Mario Smarduch (5):
add ARMv7 HYP API to flush VM TLBs without address param
live migration support for initial write protect of VM to manage
dirty pages
live migration support for VM dirty log management
add
.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |1 +
arch/arm/kvm/arm.c |4 ++
arch/arm/kvm/mmu.c | 125 +++
3 files changed, 130 insertions(+)
diff --git a/arch/arm/include/asm
Add HYP API to invalidate all VM TLBs without passing address parameter,
that kvm_tlb_flush_vmid_ipa() uses. Hopefully this is a valid way
to do it. Tests show nothing is broken.
The address parameter is confusing since whole VM is being invalidated.
Signed-off-by: Mario Smarduch m.smard
Add support for dirty bitmap management. Wanted to make it generic but function
does a couple things different then the x86 version.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c | 71
Additional logic to handle second stage page faults during migration. Primarily
page faults are prevented from creating huge pages.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 33 +++--
1 file changed, 31 insertions(+), 2
This should be in an earlier patch, omitted by mistake.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 16ed4e4..d77c425 100644
MZ So let's play the difference game with x86:
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log
kvm_vm_ioctl_get_dirty_log() is identical now to x86 version moved it to
kvm_main.c,
to make it generic, it's declared weak. Do I go into x86 and remove that
function?
Or
Hi Marc,
+ if (migration_active hugetlb) {
+ pmd_t *pmd;
+ pfn += (fault_ipa PAGE_SHIFT)
+ (PTRS_PER_PMD-1);
MZ Shouldn't that be pfn += pte_index(fault_addr);?
- changed Data Abort handler pte index handling - Marc's comment
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs without address param
live migration support for initial write protect of VM to track dirty
pages
live migration support for VM dirty log management
add 2nd stage page
Add HYP interface for global VM TLB invalidation without address
parameter.
- Added ARM version of kvm_flush_remote_tlbs()
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/include/asm/kvm_host.h |2 ++
arch/arm/kvm/interrupts.S
()
- optimized initial write protect, skip upper table lookups
- added stage2pmd_addr_end() to do generic 4 level table walk
- changed kvm_flush_remote_tlbs() to weak function
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |8 ++
arch/arm/kvm/arm.c
- added pte_index() to add to pmd pfn
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 31 +--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 52d4dd6..61ee812 100644
- made kvm_vm_ioctl_get_dirty_log() generic moved to kvm_main.c, deleted
arm,x86 versions
- optimized kvm_mmu_write_protected_pt_masked() to skip upper table lookups
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c
On 04/24/2014 09:39 AM, Steve Capper wrote:
On Wed, Apr 23, 2014 at 12:18:07AM +0100, Mario Smarduch wrote:
Support for live migration initial write protect.
- moved write protect to architecture memory region prepare function. This
way you can fail, abort migration without keep track
Patch adds support for live migration initial split up of huge pages
in memory slot and write protection of all pages in memory slot.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |8 ++
arch/arm/include/asm/kvm_mmu.h | 11 ++
arch/arm/kvm/arm.c
This patch adds support for keeping track of VM dirty pages, by updating
per memslot dirty bitmap and write protecting the page again.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c |5 --
arch/arm/kvm
- Marc's comment
- changed Data Abort handler pte index handling - Marc's comment
Mario Smarduch (5):
add ARMv7 HYP API to flush VM TLBs without address param
live migration support for initial write protect of VM
live migration support for VM dirty log management
add 2nd stage page fault
This patch add support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and splits up existing huge pages.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 31 +--
1 file changed, 29 insertions
This patch adds support for unmapping 2nd stage page tables for addresses 4GB
on ARMv7.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 20
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
Hi Gavin,
thanks, didn't catch that, I'll remove these calls.
- Mario
On 05/05/2014 04:34 PM, Gavin Guo wrote:
Hi Mario,
On Tue, Apr 29, 2014 at 9:06 AM, Mario Smarduch m.smard...@samsung.com
wrote:
This patch adds support for unmapping 2nd stage page tables for addresses
4GB
Patch adds HYP interface for global VM TLB invalidation without address
parameter.
- Added ARM version of kvm_flush_remote_tlbs()
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/include/asm/kvm_host.h |2 ++
arch/arm/kvm
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and splits up existing huge pages.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 30 --
1 file changed, 28 insertions
On 05/14/2014 09:47 AM, Christoffer Dall wrote:
On Wed, May 07, 2014 at 05:40:13PM -0700, Mario Smarduch wrote:
Patch adds HYP interface for global VM TLB invalidation without address
parameter.
- Added ARM version of kvm_flush_remote_tlbs()
Signed-off-by: Mario Smarduch m.smard
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Added ARM version of kvm_flush_remote_tlbs(), made generic one weak.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/kvm/interrupts.S | 11
, and use current code to fault in small pages.
Removed kvm_split_pmd().
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs without address param
live migration support for initial write protect of VM
live migration support for VM dirty log management
add 2nd stage page fault handling
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and splits up existing huge pages.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 36 ++--
1 file changed, 34
Patch adds memslot support for initial write protection and split up of huge
pages
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |8 +++
arch/arm/include/asm/kvm_mmu.h | 10 +++
arch/arm/kvm/arm.c |3 +
arch/arm/kvm/mmu.c
This patch adds support for keeping track of VM dirty pages, by updating
per memslot dirty bitmap and write protecting the page again.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c |5 --
arch/arm/kvm/mmu.c
On 05/15/2014 11:53 AM, Christoffer Dall wrote:
[I know you sent out a newer version but I already reviewed some of this
patch on the plane today but couldn't send it out before I got home.
Anyway, here it is:]
On Wed, May 07, 2014 at 05:40:14PM -0700, Mario Smarduch wrote:
Patch adds
Will do that, I'm sure there will be another iteration :).
On 05/15/2014 11:51 AM, Christoffer Dall wrote:
On Thu, May 15, 2014 at 11:27:27AM -0700, Mario Smarduch wrote:
This is v6 patcheset of live mgiration support for ARMv7.
migration
This is an extremely terse cover letter. It would
Hi Christoffer,
few more comments
struct vgic_distvgic;
+ /* Marks start of migration, used to handle 2nd stage page faults
+* during migration, prevent installing huge pages and split huge pages
+* to small pages.
+*/
commenting style
this is a bit verbose for
(but may windup with a github
link).
Thanks,
Mario
On 05/27/2014 12:58 PM, Christoffer Dall wrote:
On Thu, May 15, 2014 at 11:27:29AM -0700, Mario Smarduch wrote:
Patch adds memslot support for initial write protection and split up of huge
pages
I lost track of where we
On 05/27/2014 01:12 PM, Christoffer Dall wrote:
On Thu, May 15, 2014 at 11:27:30AM -0700, Mario Smarduch wrote:
This patch adds support for keeping track of VM dirty pages, by updating
per memslot dirty bitmap and write protecting the page again.
Signed-off-by: Mario Smarduch m.smard
On 05/27/2014 01:19 PM, Christoffer Dall wrote:
On Thu, May 15, 2014 at 11:27:31AM -0700, Mario Smarduch wrote:
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and splits up existing huge pages.
Signed-off-by: Mario Smarduch
On 05/28/2014 02:08 AM, Christoffer Dall wrote:
On Tue, May 27, 2014 at 02:55:21PM -0700, Mario Smarduch wrote:
On 05/27/2014 01:12 PM, Christoffer Dall wrote:
On Thu, May 15, 2014 at 11:27:30AM -0700, Mario Smarduch wrote:
[...]
+
+ /* If pgd, pud, pmd not present and you cross pmd
emslot dirty_bitmap during and after write protect.
-Christoffer
Regarding huge pud that's causing some design problems, should huge PUD
pages be considered at all?
Thanks,
Mario
___
kvmarm mailing list
kvm...@lists.cs.columbia.edu
-level table at this time.
I think until PUD Blocks are actually used it's maybe better to
ignore them.
- Mario
On 05/28/2014 11:42 AM, Mario Smarduch wrote:
emslot dirty_bitmap during and after write protect.
-Christoffer
Regarding huge pud that's causing some design problems, should
So this needs to be cleared up given this is key to logging.
Cases this code handles during migration -
1. huge page fault described above - write protect fault so you breakup
the huge page.
2. All other faults - first time access, pte write protect you again wind up
in
On 05/29/2014 10:57 AM, Christoffer Dall wrote:
On Thu, May 29, 2014 at 10:08:07AM -0700, Mario Smarduch wrote:
So this needs to be cleared up given this is key to logging.
Cases this code handles during migration -
1. huge page fault described above - write protect fault so you breakup
+static inline void kvm_set_s2pte_readonly(pte_t *pte)
+{
+pte_val(*pte) = ~(L_PTE_S2_RDONLY ^ L_PTE_S2_RDWR);
This relies on the pte already having been set as RDONLY or RDWR, if you
are creating a new pte and calling this function it could be easy to
miss that distinction, I
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and disolves huge pages to page tables.
In case migration is canceled huge pages will be used again.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c | 36
on
logging request
- Only code logic change, disolve huge pages to page tables in page fault
handler
- Made many many changes based on Christoffers comments.
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs without address param
dirty page logging inital mem region write protect (w
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Added ARM version of kvm_flush_remote_tlbs(), made the generic
implementation a weak symbol.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/kvm
Patch adds memslot support for initial write protection and split up of huge
pages. This patch series assumes that huge PUDs will not be used to map VM
memory. This patch depends on the unmap_range() patch, it needs to be applied
first.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
This patch adds support for keeping track of VM dirty pages. As dirty page log
is retrieved, the pages that have been written are write protected again for
next write and log read.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm
log
is retrieved, the pages that have been written are write protected again for
next write and log read.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c |5 ---
arch/arm/kvm/mmu.c | 79
On 06/04/2014 11:55 PM, Xiao Guangrong wrote:
On 06/05/2014 05:11 AM, Mario Smarduch wrote:
+spin_lock(kvm-mmu_lock);
+
+for (i = 0; i n / sizeof(long); i++) {
+unsigned long mask;
+gfn_t offset;
+
+if (!dirty_bitmap[i
, the pages that have been written are write protected again for
next write and log read.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |3 ++
arch/arm/kvm/arm.c |5 ---
arch/arm/kvm/mmu.c | 79
On 06/05/2014 10:52 PM, Xiao Guangrong wrote:
On 06/06/2014 03:09 AM, Mario Smarduch wrote:
On 06/04/2014 11:55 PM, Xiao Guangrong wrote:
On 06/05/2014 05:11 AM, Mario Smarduch wrote:
+ spin_lock(kvm-mmu_lock);
+
+ for (i = 0; i n / sizeof(long); i++) {
+ unsigned long mask
On 06/08/2014 03:45 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:23PM -0700, Mario Smarduch wrote:
This patch adds support for dirty page logging so far tested only on ARMv7.
With dirty page logging, GICv2 vGIC and arch timer save/restore support,
live
migration is supported
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:24PM -0700, Mario Smarduch wrote:
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Added ARM version of kvm_flush_remote_tlbs(), made the generic
implementation a weak symbol
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:25PM -0700, Mario Smarduch wrote:
Patch adds memslot support for initial write protection and split up of huge
pages. This patch series assumes that huge PUDs will not be used to map VM
memory. This patch depends
On 06/09/2014 11:09 AM, Christoffer Dall wrote:
On Mon, Jun 09, 2014 at 10:58:18AM -0700, Mario Smarduch wrote:
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:25PM -0700, Mario Smarduch wrote:
Patch adds memslot support for initial write protection and split up
On 06/09/2014 10:49 AM, Christoffer Dall wrote:
On Mon, Jun 09, 2014 at 10:06:29AM -0700, Mario Smarduch wrote:
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:24PM -0700, Mario Smarduch wrote:
Patch adds HYP interface for global VM TLB invalidation without
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Fri, Jun 06, 2014 at 10:33:41AM -0700, Mario Smarduch wrote:
kvm_vm_ioctl_get_dirty_log() is generic used by x86, ARM. x86 recent patch
changed this function, this patch picks up those changes, re-tested
everything
works. Applies cleanly
On 06/10/2014 02:22 AM, Christoffer Dall wrote:
On Mon, Jun 09, 2014 at 06:47:12PM -0700, Mario Smarduch wrote:
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Fri, Jun 06, 2014 at 10:33:41AM -0700, Mario Smarduch wrote:
kvm_vm_ioctl_get_dirty_log() is generic used by x86, ARM. x86 recent
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:27PM -0700, Mario Smarduch wrote:
This patch adds support for handling 2nd stage page faults during migration,
it disables faulting in huge pages, and disolves huge pages to page tables.
s/disolves/dissolves/g
On 06/10/2014 11:58 PM, Christoffer Dall wrote:
On Tue, Jun 10, 2014 at 11:23:17AM -0700, Mario Smarduch wrote:
On 06/08/2014 05:05 AM, Christoffer Dall wrote:
On Tue, Jun 03, 2014 at 04:19:27PM -0700, Mario Smarduch wrote:
This patch adds support for handling 2nd stage page faults during
Hi Paolo,
for ARM dirty page logging we have couple functions
that are generic.
- kvm_vm_ioctl_get_dirty_log - is identical to x86 version
- kvm_flush_remote_tlbs - ARM version does hardware broadcast
it's different from the generic one in kvm_main.c
How to proceed to make these generic?
On 06/11/2014 12:03 AM, Christoffer Dall wrote:
There is also the issue of kvm_flush_remote_tlbs(), that's also weak,
the generic one is using IPIs. Since it's only used in mmu.c maybe make
this one static.
So I don't see a lot of use of weak symbols in kvm_main.c (actually on
kvmarm/next
This patch adds support for keeping track of VM dirty pages. As dirty page log
is retrieved, the pages that have been written are write protected again for
next write and log read. For ARMv8 read of dirty log returns invalid operation.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
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 will be used again. For ARMv8
logging is hardcoded to false.
Signed-off-by: Mario Smarduch m.smard
Patch adds support for initial write protection VM memlsot. This patch series
assumes that huge PUDs will not be used in 2nd stage tables. For ARMv8 nothing
happens here.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |1 +
arch/arm/include
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Moved VM TLB flushing back to architecture layer.
This patch depends on the unmap_range() patch, it needs to be applied first.
No changes to ARMv8.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm
protection of dirty page mask
- Moved generic code back to architecture layer, keep it there for time being,
until a KVM framework for architecture functions to override genric
ones is defined.
- Fixed conditon bug for marking pages dirty
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs
On 07/04/2014 09:29 AM, Paolo Bonzini wrote:
Il 03/07/2014 17:04, Christoffer Dall ha scritto:
Hmmm, I'm really not an expert in the 'established procedures' for what
to put in config files etc., but here's my basic take:
a) you wouldn't put a config option in Kconfig unless it's comething
add dirty log support to ARMv8, to test I would
add a QEMU monitor function to validate general operation.
Your thoughts?
Thanks,
Mario
On 07/03/2014 08:04 AM, Christoffer Dall wrote:
On Tue, Jun 17, 2014 at 06:41:52PM -0700, Mario Smarduch wrote:
On 06/11/2014 12:03 AM, Christoffer Dall wrote
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Generic VM TLB flush calls ARMv7 arch defined TLB flush function.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_asm.h |1 +
arch/arm/include/asm/kvm_host.h |1 +
arch
seamlessly.
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs, change generic TLB flush to
support arch flush
ARMv7 dirty page logging inital mem region write protect (w/no huge
PUD support)
dirty log write protect mgmt. Moved x86, armv7 to generic, set armv8
ia64 mips powerpc
.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/arm.c |8 +++-
arch/arm/kvm/mmu.c | 22 +
arch/arm64/include/asm/kvm_host.h |2 +
arch/arm64/kvm/Kconfig |1 +
arch/ia64/include/asm/kvm_host.h|1
Patch adds support for initial write protection VM memlsot. This patch series
assumes that huge PUDs will not be used in 2nd stage tables.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/include/asm/kvm_host.h |1 +
arch/arm/include/asm/kvm_mmu.h| 20
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 will be used again.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
---
arch/arm/kvm/mmu.c
On 07/24/2014 11:12 PM, Alexander Graf wrote:
On 25.07.14 02:56, Mario Smarduch wrote:
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Generic VM TLB flush calls ARMv7 arch defined TLB flush
function.
Signed-off-by: Mario Smarduch m.smard...@samsung.com
On 07/24/2014 11:16 PM, Alexander Graf wrote:
On 25.07.14 02:56, Mario Smarduch wrote:
Patch adds support for initial write protection VM memlsot. This
patch series
assumes that huge PUDs will not be used in 2nd stage tables.
Is this a valid assumption?
Right now it's unclear if PUDs
192.168.2.100 gw 192.168.10.100
ssh should resume after route switch. ping as well should work
seamlessly.
Mario Smarduch (4):
add ARMv7 HYP API to flush VM TLBs, change generic TLB flush to
support arch flush
ARMv7 dirty page logging inital mem region write protect (w/no huge
PUD support
On 08/11/2014 12:12 PM, Christoffer Dall wrote:
On Thu, Jul 24, 2014 at 05:56:05PM -0700, Mario Smarduch wrote:
Patch adds HYP interface for global VM TLB invalidation without address
parameter. Generic VM TLB flush calls ARMv7 arch defined TLB flush function.
Signed-off-by: Mario Smarduch
On 08/11/2014 12:12 PM, Christoffer Dall wrote:
Remove the parenthesis from the subject line.
Hmmm have to check this don't see it my patch file.
On Thu, Jul 24, 2014 at 05:56:06PM -0700, Mario Smarduch wrote:
Patch adds support for initial write protection VM memlsot. This patch
series
On 08/11/2014 12:13 PM, Christoffer Dall wrote:
On Thu, Jul 24, 2014 at 05:56:07PM -0700, Mario Smarduch wrote:
This patch adds support for keeping track of VM dirty pages. As dirty page
log
is retrieved, the pages that have been written are write protected again for
next write and log read
On 08/11/2014 12:13 PM, Christoffer Dall wrote:
On Thu, Jul 24, 2014 at 05:56:08PM -0700, 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
On 08/11/2014 12:12 PM, Christoffer Dall wrote:
Remove the parenthesis from the subject line.
On Thu, Jul 24, 2014 at 05:56:06PM -0700, Mario Smarduch wrote:
Patch adds support for initial write protection VM memlsot. This patch
series
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