On 01/03/2012 02:12 AM, Anthony Liguori wrote:
2/4 is on the list. It's adding the type infrastructure such that when
you do -device e1000, as far as QOM is concerned you're creating an
E1000 object which inherits from a PCIDevice, etc.
Yes, sorry, that was quite obvious. I was not sure about
On Mon, Jan 02, 2012 at 01:09:40PM +0100, Juan Quintela wrote:
Please send in any agenda items you are interested in covering.
Status of virtio drivers for Windows:
* Unsupported in community today
* Bugs languish on bug tracker/mailing list
* Risking a reputation of not supporting Windows
On 01/03/2012 05:02 AM, Ren, Yongjie wrote:
Hi folks,
I reported some kvm kernel bugs at bugzilla.kernel.org before the
kernel.org was attacked.
Though kernel.org resumes, its bugzilla can't be accessed so far.
So, where should I report a kvm kernel bug? I mean not just reporting in this
On 3 January 2012 01:14, Anthony Liguori anth...@codemonkey.ws wrote:
Let's separate out what a user *should* do from what a user *can* do.
A user *should* have a command line syntax that reflects something that
makes sense to them. For instance, qemu-system-arm --machine beaglebone
I don't
On Mon, Dec 19, 2011 at 4:27 AM, zanghongy...@huawei.com wrote:
From: Hongyong Zang zanghongy...@huawei.com
If a guest's ram_size exceeds KVM_32BIT_GAP_START, the corresponding kvm
tool's
virtual address size should be (ram_size + KVM_32BIT_GAP_SIZE), rather than
ram_size.
On 3 January 2012 10:26, Peter Maydell peter.mayd...@linaro.org wrote:
I don't think we even have syntax for 2 at the moment except for the
weird special case of -cpu foo.
It currently is quite common to e.g. use a versatilepb machine model
but switch the CPU for arm1176, cortex-a8 etc with
On 01/03/2012 10:33 AM, Stefan Hajnoczi wrote:
On Mon, Jan 02, 2012 at 01:09:40PM +0100, Juan Quintela wrote:
Please send in any agenda items you are interested in covering.
Status of virtio drivers for Windows:
* Unsupported in community today
Why?
* Bugs languish on bug
On Tue, Jan 3, 2012 at 12:15 PM, Dor Laor dl...@redhat.com wrote:
On 01/03/2012 10:33 AM, Stefan Hajnoczi wrote:
On Mon, Jan 02, 2012 at 01:09:40PM +0100, Juan Quintela wrote:
Please send in any agenda items you are interested in covering.
Status of virtio drivers for Windows:
*
On 01/03/2012 04:26 AM, Peter Maydell wrote:
On 3 January 2012 01:14, Anthony Liguorianth...@codemonkey.ws wrote:
Let's separate out what a user *should* do from what a user *can* do.
A user *should* have a command line syntax that reflects something that
makes sense to them. For instance,
Anthony,
Am 03.01.2012 02:04, schrieb Anthony Liguori:
On 01/02/2012 07:46 AM, Andreas Färber wrote:
Am 02.01.2012 13:09, schrieb Juan Quintela:
First of all, Happy New Year to everybody (even for the people whose
calendar is different O:-)
+1
Please send in any agenda items you are
On 3 January 2012 13:37, Anthony Liguori anth...@codemonkey.ws wrote:
For what you're getting at, you actually want to model the CPUs in QOM such
that you would have an ARM926 is-a ARMCPU is-a CPUCommon.
Then you could have the beagle machine have a linkARM926. If it always
has a single CPU,
On 01/03/2012 07:52 AM, Andreas Färber wrote:
Anthony,
Am 03.01.2012 02:04, schrieb Anthony Liguori:
On 01/02/2012 07:46 AM, Andreas Färber wrote:
Am 02.01.2012 13:09, schrieb Juan Quintela:
First of all, Happy New Year to everybody (even for the people whose
calendar is different O:-)
+1
On 12/31/2011 08:16 AM, Liu Yu wrote:
Add a new field opt_feature in struct kvm_ppc_pvinfo
to tell userspace whether it support hcall idle.
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c107fae..5af21f3 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -426,9
On 01/03/2012 07:57 AM, Peter Maydell wrote:
On 3 January 2012 13:37, Anthony Liguorianth...@codemonkey.ws wrote:
For what you're getting at, you actually want to model the CPUs in QOM such
that you would have an ARM926 is-a ARMCPU is-a CPUCommon.
Then you could have the beagle machine have a
Am 03.01.2012 14:12, schrieb Stefan Hajnoczi:
On Tue, Jan 3, 2012 at 12:15 PM, Dor Laor dl...@redhat.com wrote:
There is a legal issue w/ WHQL drivers but self sign is not a probably and I
believe that's what we have today.
For a user anything other than first-class native drivers is a red
On 03.01.2012, at 15:01, Avi Kivity wrote:
On 12/31/2011 08:16 AM, Liu Yu wrote:
Add a new field opt_feature in struct kvm_ppc_pvinfo
to tell userspace whether it support hcall idle.
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c107fae..5af21f3 100644
---
On 3 January 2012 14:02, Anthony Liguori anth...@codemonkey.ws wrote:
On 01/03/2012 07:57 AM, Peter Maydell wrote:
The CPU should always be a child of the board, surely, even if the user
might want to use a different one? That's just basic composition.
The links should be for the CPU has two
This patch add tests for testing cpu flags in qemu:
a) interface cpu flags tests
1) qemu -cpu ?model
2) qemu -cpu ?dump
3) qemu -cpu ?cpuid
b) guest run cpu flags tests
1) Test boot cpu model.
2) Test boot cpu model and additiona/nonstandard model flags.
3) Test boot fail with host
This patch add tests for testing cpu flags in qemu:
a) interface cpu flags tests
1) qemu -cpu ?model
2) qemu -cpu ?dump
3) qemu -cpu ?cpuid
b) guest run cpu flags tests
1) Test boot cpu model.
2) Test boot cpu model and additiona/nonstandard model flags.
3) Test boot fail with host
On Mon, Jan 02, 2012 at 06:55:18PM +0100, Paolo Bonzini wrote:
On 01/02/2012 06:05 PM, Andrea Arcangeli wrote:
On Thu, Dec 29, 2011 at 06:01:45PM +0200, Avi Kivity wrote:
On 12/29/2011 06:00 PM, Avi Kivity wrote:
The NFS client has exactly the same issue, if you mount it with the intr
On Tue, 2012-01-03 at 13:12 +, Stefan Hajnoczi wrote:
On Tue, Jan 3, 2012 at 12:15 PM, Dor Laor dl...@redhat.com wrote:
On 01/03/2012 10:33 AM, Stefan Hajnoczi wrote:
On Mon, Jan 02, 2012 at 01:09:40PM +0100, Juan Quintela wrote:
Please send in any agenda items you are interested in
On 01/02/2012 11:50 PM, tangchen wrote:
Hi~
Here is the problem:)
Without vnclisten, guest is still accessable from localhost by vnc.
But we cannot access guest from other host.
And most of the time, we do the test on remote host, and in this situation,
vnclisten is very useful.:)
Ok, fair
On Wed, 2011-12-28 at 19:16 +0200, Ronen Hod wrote:
On 12/21/2011 11:42 PM, Alex Williamson wrote:
+The final aspect of VFIO is the notion of merging groups. In both the
+assignment of devices to virtual machines and the pure userspace
+driver model, it's expect that a single user instance
On 01/01/2012 04:16 AM, Dor Laor wrote:
On 12/29/2011 06:16 PM, Anthony Liguori wrote:
On 12/29/2011 10:07 AM, Dor Laor wrote:
On 12/26/2011 11:05 AM, Avi Kivity wrote:
On 12/26/2011 05:14 AM, Nikunj A Dadhania wrote:
btw you can get an additional speedup by enabling x2apic, for
On Tue, 2012-01-03 at 12:10 +0200, Avi Kivity wrote:
I'm surprised bugzilla.kernel.org isn't responding. Copying
ftpad...@kernel.org for ETA (though that address isn't responding, either).
Hi, Avi and Ren:
Unfortunately, we don't currently have an ETA for bringing up
bugzilla.kernel.org. We
On 01/03/2012 06:28 PM, Konstantin Ryabitsev wrote:
On Tue, 2012-01-03 at 12:10 +0200, Avi Kivity wrote:
I'm surprised bugzilla.kernel.org isn't responding. Copying
ftpad...@kernel.org for ETA (though that address isn't responding, either).
Hi, Avi and Ren:
Unfortunately, we don't
Hi all,
is there any known issue when migrating VMs with a lot of (e.g. 32GB)
of memory.
It seems that there is some portion in the migration code which takes
too much time when the number
of memory pages is large.
Symptoms are: Irresponsive VNC connection, VM stalls and also
irresponsive
Hi Ingo,
Please consider pulling from:
git://github.com/acmel/linux.git perf/core
Regards,
- Arnaldo
Joerg Roedel (1):
perf kvm: Fix copy paste error in description
Namhyung Kim (4):
perf session: Remove impossible condition check
perf stat: Introduce get_ratio_color() helper
From: Joerg Roedel joerg.roe...@amd.com
The --host option certainly enables host-data collection.
Cc: Avi Kivity a...@redhat.com
Cc: Ingo Molnar mi...@elte.hu
Cc: Peter Zijlstra a.p.zijls...@chello.nl
Cc: Joerg Roedel joerg.roe...@amd.com
Cc: kvm@vger.kernel.org
Link:
On Mon, 2012-01-02 at 11:41 -0800, Gordon Messmer wrote:
I'm going to summarize my questions first and write the long explanation
afterward...
1: What happens when Linux rejects the aperture allocated by the BIOS
for an AMD IOMMU?
This is actually the GART aperture, which Linux will try
On 01/03/2012 05:48 PM, Anthony Liguori wrote:
On 01/01/2012 04:16 AM, Dor Laor wrote:
On 12/29/2011 06:16 PM, Anthony Liguori wrote:
On 12/29/2011 10:07 AM, Dor Laor wrote:
On 12/26/2011 11:05 AM, Avi Kivity wrote:
On 12/26/2011 05:14 AM, Nikunj A Dadhania wrote:
btw you can get an
On 01/03/2012 04:31 PM, Dor Laor wrote:
We can just set this for pc-1.1. I don't see any real harm in doing that.
Great, it 'only' took about 3 years from the time it got developed originally by
Uri...
Someone just needs to send a patch.
When using 'guests-pick', we initially present the
On 01/04/2012 12:45 AM, Anthony Liguori wrote:
When using 'guests-pick', we initially present the most compatible
network model (rtl8139, for instance). We would provide a paravirtual
channel (guest-agent?) that could be used to enumerate which models were
available and let guest decide which
Thanks, Alex. I really appreciate the reply.
On 01/03/2012 01:34 PM, Alex Williamson wrote:
This is actually the GART aperture, which Linux will try to use as an
IOMMU. You can pretty much ignore this, but it may be wasting memory
for no good reason if it's really hiding usable memory and
-Original Message-
From: Avi Kivity [mailto:a...@redhat.com]
Sent: Wednesday, January 04, 2012 1:08 AM
To: Konstantin Ryabitsev
Cc: Ren, Yongjie; kvm@vger.kernel.org; ftpadmin
Subject: Re: where should I report kvm kernel bug?
On 01/03/2012 06:28 PM, Konstantin Ryabitsev wrote:
From: Scott Wood scottw...@freescale.com
The only place it makes sense to call this function already needs
to have preemption disabled.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/e500_tlb.c |4 +---
1 files changed, 1
Hi Avi,
I finally got around to completely test and check my PPC patch queue, so I
finally feel confident that more works than before :).
Please pull.
Alex
The following changes since commit 781f306789361d671187d9ddb518eea3ffda786a:
Avi Kivity (1):
Merge branch 'for-avi' of
From: Scott Wood scottw...@freescale.com
It should contain the way, not the absolute TLB0 index.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/e500_tlb.c |2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git
From: Scott Wood scottw...@freescale.com
This function also updates paravirt int_pending, so rename it
to be more obvious that this is a collection of checks run prior
to (re)entering a guest.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
From: Bharat Bhushan r65...@freescale.com
The current implementation of mtmsr and mtmsrd are racy in that it does:
* check (int_pending == 0)
--- host sets int_pending = 1 ---
* write shared page
* done
while instead we should check for int_pending after the shared page is written.
From: Scott Wood scottw...@freescale.com
Currently we check prior to returning from a lightweight exit,
but not prior to initial entry.
book3s already does a similar test.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/booke.c
From: Scott Wood scottw...@freescale.com
This prevents us from inappropriately blocking in a KVM_SET_REGS
ioctl -- the MSR[WE] will take effect when the guest is next entered.
It also causes SRR1[WE] to be set when we enter the guest's interrupt
handler, which is what e500 hardware is documented
From: Scott Wood scottw...@freescale.com
This function should be called with interrupts disabled, to avoid
a race where an exception is delivered after we check, but the
resched kick is received before we disable interrupts (and thus doesn't
actually trigger the exit code that would recheck
From: Paul Mackerras pau...@samba.org
This provides the low-level support for MMIO emulation in Book3S HV
guests. When the guest tries to map a page which is not covered by
any memslot, that page is taken to be an MMIO emulation page. Instead
of inserting a valid HPTE, we insert an HPTE that
From: Sasha Levin levinsasha...@gmail.com
Currently the code kzalloc()s new VCPUs instead of using the kmem_cache
which is created when KVM is initialized.
Modify it to allocate VCPUs from that kmem_cache.
Signed-off-by: Sasha Levin levinsasha...@gmail.com
Acked-by: Paul Mackerras
From: Liu Yu yu@freescale.com
The existing kvm_stlb_write/kvm_gtlb_write were a poor match for
the e500/book3e MMU -- mas1 was passed as tid, mas2 was limited
to unsigned int which will be a problem on 64-bit, mas3/7 got
split up rather than treated as a single 64-bit word, etc.
From: Matt Evans m...@ozlabs.org
Fix usage of vcpu struct before check that it's actually valid.
Signed-off-by: Matt Evans m...@ozlabs.org
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/powerpc.c |5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git
From: Matt Evans m...@ozlabs.org
PPC KVM lacks these two capabilities, and as such a userland system must assume
a max of 4 VCPUs (following api.txt). With these, a userland can determine
a more realistic limit.
Signed-off-by: Matt Evans m...@ozlabs.org
Signed-off-by: Alexander Graf
From: Paul Mackerras pau...@samba.org
This changes the implementation of kvm_vm_ioctl_get_dirty_log() for
Book3s HV guests to use the hardware C (changed) bits in the guest
hashed page table. Since this makes the implementation quite different
from the Book3s PR case, this moves the existing
From: Paul Mackerras pau...@samba.org
This uses the host view of the hardware R (referenced) bit to speed
up kvm_age_hva() and kvm_test_age_hva(). Instead of removing all
the relevant HPTEs in kvm_age_hva(), we now just reset their R bits
if set. Also, kvm_test_age_hva() now scans the relevant
From: Paul Mackerras pau...@samba.org
This allows both the guest and the host to use the referenced (R) and
changed (C) bits in the guest hashed page table. The guest has a view
of R and C that is maintained in the guest_rpte field of the revmap
entry for the HPTE, and the host has a view that
From: Paul Mackerras pau...@samba.org
This reworks the implementations of the H_REMOVE and H_BULK_REMOVE
hcalls to make sure that we keep the HPTE locked and in the reverse-
mapping chain until we have finished invalidating it. Previously
we would remove it from the chain and unlock it before
From: Paul Mackerras pau...@samba.org
With this, if a guest does an H_ENTER with a read/write HPTE on a page
which is currently read-only, we make the actual HPTE inserted be a
read-only version of the HPTE. We now intercept protection faults as
well as HPTE not found faults, and for a
From: Paul Mackerras pau...@samba.org
This adds the infrastructure to enable us to page out pages underneath
a Book3S HV guest, on processors that support virtualized partition
memory, that is, POWER7. Instead of pinning all the guest's pages,
we now look in the host userspace Linux page tables
From: Paul Mackerras pau...@samba.org
This relaxes the requirement that the guest memory be provided as
16MB huge pages, allowing it to be provided as normal memory, i.e.
in pages of PAGE_SIZE bytes (4k or 64k). To allow this, we index
the kvm-arch.slot_phys[] arrays with a small page index,
From: Paul Mackerras pau...@samba.org
This removes the code from kvmppc_core_prepare_memory_region() that
looked up the VMA for the region being added and called hva_to_page
to get the pfns for the memory. We have no guarantee that there will
be anything mapped there at the time of the
From: Paul Mackerras pau...@samba.org
This adds an array that parallels the guest hashed page table (HPT),
that is, it has one entry per HPTE, used to store the guest's view
of the second doubleword of the corresponding HPTE. The first
doubleword in the HPTE is the same as the guest's idea of
From: Paul Mackerras pau...@samba.org
At present, our implementation of H_ENTER only makes one try at locking
each slot that it looks at, and doesn't even retry the ldarx/stdcx.
atomic update sequence that it uses to attempt to lock the slot. Thus
it can return the H_PTEG_FULL error
From: Paul Mackerras pau...@samba.org
This allocates an array for each memory slot that is added to store
the physical addresses of the pages in the slot. This array is
vmalloc'd and accessed in kvmppc_h_enter using real_vmalloc_addr().
This allows us to remove the ram_pginfo field from the
From: Paul Mackerras pau...@samba.org
This adds two new functions, kvmppc_pin_guest_page() and
kvmppc_unpin_guest_page(), and uses them to pin the guest pages where
the guest has registered areas of memory for the hypervisor to update,
(i.e. the per-cpu virtual processor areas, SLB shadow buffers
From: Paul Mackerras pau...@samba.org
This moves the get/set_one_reg implementation down from powerpc.c into
booke.c, book3s_pr.c and book3s_hv.c. This avoids #ifdefs in C code,
but more importantly, it fixes a bug on Book3s HV where we were
accessing beyond the end of the kvm_vcpu struct (via
From: Paul Mackerras pau...@samba.org
This expands the reverse mapping array to contain two links for each
HPTE which are used to link together HPTEs that correspond to the
same guest logical page. Each circular list of HPTEs is pointed to
by the rmap array entry for the guest logical page,
From: Paul Mackerras pau...@samba.org
This provides for the case where userspace maps an I/O device into the
address range of a memory slot using a VM_PFNMAP mapping. In that
case, we work out the pfn from vma-vm_pgoff, and record the cache
enable bits from vma-vm_page_prot in two low-order bits
From: Paul Mackerras pau...@samba.org
This adds an smp_wmb in kvm_mmu_notifier_invalidate_range_end() and an
smp_rmb in mmu_notifier_retry() so that mmu_notifier_retry() will give
the correct answer when called without kvm-mmu_lock being held.
PowerPC Book3S HV KVM wants to use a bitlock per
From: Scott Wood scottw...@freescale.com
Decrementers are now properly driven by TCR/TSR, and the guest
has full read/write access to these registers.
The decrementer keeps ticking (and setting the TSR bit) regardless of
whether the interrupts are enabled with TCR.
The decrementer stops at
From: Paul Mackerras pau...@samba.org
When commit f43fdc15fa (KVM: PPC: booke: Improve timer register
emulation) factored out some code in arch/powerpc/kvm/powerpc.c
into a new helper function, kvm_vcpu_kick(), an error crept in
which causes Book3s HV guest vcpus to stall. This fixes it.
On
From: Liu Yu-B13201 yu@freescale.com
Currently we patch the whole code include paravirt template code.
This isn't safe for scratch area and has impact to performance.
Signed-off-by: Liu Yu yu@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/kvm.c |
From: Scott Wood scottw...@freescale.com
The hardware maintains a per-set next victim hint. Using this
reduces conflicts, especially on e500v2 where a single guest
TLB entry is mapped to two shadow TLB entries (user and kernel).
We want those two entries to go to different TLB ways.
sesel is
Somewhere during merges we ended up from
local_irq_enable()
foo();
local_irq_disable()
to always keeping irqs enabled during that part. However, we now
have the following code:
foo();
local_irq_disable()
which disables interrupts without the surrounding code enabling them
again! So
As Scott put it:
If we get a signal after the check, we want to be sure that we don't
receive the reschedule IPI until after we're in the guest, so that it
will cause another signal check.
we need to have interrupts disabled from the point we do signal_check()
all the way until we actually
Our vcpu kick implementation differs a bit from x86 which resulted in us not
disabling preemption during the kick. Get it a bit closer to what x86 does.
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/powerpc.c |7 ++-
1 files changed, 6 insertions(+), 1 deletions(-)
From: Scott Wood scottw...@freescale.com
Also fix wrteei 1 paravirt to check for a pending interrupt.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kernel/kvm.c | 92 +-
When running the 64-bit Book3s PR code without CONFIG_PREEMPT_NONE, we were
doing a few things wrong, most notably access to PACA fields without making
sure that the pointers stay stable accross the access (preempt_disable()).
This patch moves to_svcpu towards a get/put model which allows us to
From: Scott Wood scottw...@freescale.com
This allows additional registers to be accessed by the guest
in PR-mode KVM without trapping.
SPRG4-7 are readable from userspace. On booke, KVM will sync
these registers when it enters the guest, so that accesses from
guest userspace will work. The
From: Scott Wood scottw...@freescale.com
The associativity, not just total size, can differ from the host
hardware.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/e500_tlb.c | 19 ++-
1 files changed, 14
Until now, we always set HIOR based on the PVR, but this is just wrong.
Instead, we should be setting HIOR explicitly, so user space can decide
what the initial HIOR value is - just like on real hardware.
We keep the old PVR based way around for backwards compatibility, but
once user space uses
From: Scott Wood scottw...@freescale.com
int_pending was only being lowered if a bit in pending_exceptions
was cleared during exception delivery -- but for interrupts, we clear
it during IACK/TSR emulation. This caused paravirt for enabling
MSR[EE] to be ineffective.
Signed-off-by: Scott Wood
When entering the guest, we want to make sure we're not getting preempted
away, so let's disable preemption on entry, but enable it again while handling
guest exits.
Reported-by: Jörg Sommer jo...@alea.gnuu.de
Signed-off-by: Alexander Graf ag...@suse.de
---
v1 - v2:
- fix cases where
From: Bharat Bhushan r65...@freescale.com
kvmppc_emulate_dec() uses dec_nsec of type unsigned long and does below
calculation:
dec_nsec = vcpu-arch.dec;
dec_nsec *= 1000;
This will truncate if DEC value vcpu-arch.dec is greater than
0x_/1000.
For example : For
With hugetlbfs support emerging on e500, we should also support KVM
backing its guest memory by it.
This patch adds support for hugetlbfs into the e500 shadow mmu code.
Signed-off-by: Alexander Graf ag...@suse.de
Acked-by: Scott Wood scottw...@freescale.com
---
v1 - v2:
- address scott's
From: Scott Wood scottw...@freescale.com
Split out the portions of tlbe_priv that should be associated with host
entries into tlbe_ref. Base victim selection on the number of hardware
entries, not guest entries.
For TLB1, where one guest entry can be mapped by multiple host entries,
we use the
From: Scott Wood scottw...@freescale.com
This implements a shared-memory API for giving host userspace access to
the guest's TLB.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
Documentation/virtual/kvm/api.txt | 74 +++
From: Scott Wood scottw...@freescale.com
The hardcoded behavior prevents proper SMP support.
QEMU shall specify the vcpu's PIR as the vcpu id.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/booke.c |4 ++--
From: Bharat Bhushan r65...@freescale.com
As per specification the decrementer interrupt not happen when DEC is written
with 0. Also when DEC is zero, no decrementer running. So we should not start
hrtimer for decrementer when DEC = 0.
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
Right now we transfer a static struct every time we want to get or set
registers. Unfortunately, over time we realize that there are more of
these than we thought of before and the extensibility and flexibility of
transferring a full struct every time is limited.
So this is a new approach to the
From: Scott Wood scottw...@freescale.com
Delay allocation of the shadow pid until we're ready to disable
preemption and write the entry.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/e500_tlb.c | 36
(2012/01/01 18:52), Dor Laor wrote:
But we really need to think hard about whether this is the right thing
to take into the tree. I worry a lot about the fact that we don't test
pre-copy migration nearly enough and adding a second form just
introduces more things to test.
It is an issue but it
On 2012-1-4 2:04, Peter Lieven wrote:
Hi all,
is there any known issue when migrating VMs with a lot of (e.g. 32GB)
of memory.
It seems that there is some portion in the migration code which takes
too much time when the number
of memory pages is large.
Symptoms are: Irresponsive VNC
On 01/03/2012 09:12 PM, Stefan Hajnoczi wrote:
On Tue, Jan 3, 2012 at 12:15 PM, Dor Laordl...@redhat.com wrote:
On 01/03/2012 10:33 AM, Stefan Hajnoczi wrote:
On Mon, Jan 02, 2012 at 01:09:40PM +0100, Juan Quintela wrote:
Please send in any agenda items you are interested in covering.
On Mon, Jan 02, 2012 at 06:05:51PM +0100, Andrea Arcangeli wrote:
On Thu, Dec 29, 2011 at 06:01:45PM +0200, Avi Kivity wrote:
On 12/29/2011 06:00 PM, Avi Kivity wrote:
The NFS client has exactly the same issue, if you mount it with the intr
option. In fact you could use the NFS client as
On Mon, 2011-12-19 at 19:49 +0530, Shashidhar Patil wrote:
Hi,
I am running Ubuntu 10.10 (amd64) on a 2 socket nehalem based
server with IOH 5520. 5520 supports VTD.
I enabled DMAR with intel_iommu=on. The box has intel 82599 adapter
which I assigned through VT-D to FreeBSD 8.2
On Thu, Dec 29, 2011 at 06:06:10PM +0200, Avi Kivity wrote:
On 12/29/2011 03:26 AM, Isaku Yamahata wrote:
This patch implements postcopy livemigration.
+/* RAM is allocated via umem for postcopy incoming mode */
+#define RAM_POSTCOPY_UMEM_MASK (1 1)
+
typedef struct RAMBlock {
On Tue, 2012-01-03 at 16:29 -0800, Gordon Messmer wrote:
Thanks, Alex. I really appreciate the reply.
On 01/03/2012 01:34 PM, Alex Williamson wrote:
This is actually the GART aperture, which Linux will try to use as an
IOMMU. You can pretty much ignore this, but it may be wasting memory
On 01/01/2012 03:52 AM, Dor Laor wrote:
On 12/30/2011 12:39 AM, Anthony Liguori wrote:
On 12/28/2011 07:25 PM, Isaku Yamahata wrote:
Intro
=
This patch series implements postcopy live migration.[1]
As discussed at KVM forum 2011, dedicated character device is used for
distributed shared
On Thu, Dec 29, 2011 at 04:39:52PM -0600, Anthony Liguori wrote:
TODO
- benchmark/evaluation. Especially how async page fault affects the result.
I'll review this series next week (Mike/Juan, please also review when you
can).
But we really need to think hard about whether this is the
From: Boris Ostrovsky boris.ostrov...@amd.com
In some cases guests should not provide workarounds for errata even when the
physical processor is affected. For example, because of erratum 400 on family
10h processors a Linux guest will read an MSR (resulting in VMEXIT) before
going to idle in
It is possible that the __set_bit() in mark_page_dirty() is called
simultaneously on the same region of memory, which may result in only
one bit being set, because some callers do not take mmu_lock before
mark_page_dirty().
This problem is hard to produce because when we reach mark_page_dirty()
On 03.01.2012, at 15:01, Avi Kivity wrote:
On 12/31/2011 08:16 AM, Liu Yu wrote:
Add a new field opt_feature in struct kvm_ppc_pvinfo
to tell userspace whether it support hcall idle.
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c107fae..5af21f3 100644
---
From: Scott Wood scottw...@freescale.com
The only place it makes sense to call this function already needs
to have preemption disabled.
Signed-off-by: Scott Wood scottw...@freescale.com
Signed-off-by: Alexander Graf ag...@suse.de
---
arch/powerpc/kvm/e500_tlb.c |4 +---
1 files changed, 1
Hi Avi,
I finally got around to completely test and check my PPC patch queue, so I
finally feel confident that more works than before :).
Please pull.
Alex
The following changes since commit 781f306789361d671187d9ddb518eea3ffda786a:
Avi Kivity (1):
Merge branch 'for-avi' of
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