On Mon, Sep 02, 2013 at 06:05:10PM +0800, Xiao Guangrong wrote:
> On 09/02/2013 05:49 PM, Gleb Natapov wrote:
> > On Mon, Sep 02, 2013 at 05:42:25PM +0800, Xiao Guangrong wrote:
> >> On 09/01/2013 05:17 PM, Gleb Natapov wrote:
> >>> On Fri, Aug 30, 2013 at 02:41:3
On Mon, Sep 02, 2013 at 06:00:08PM +0200, Paolo Bonzini wrote:
> Il 02/09/2013 11:25, Gleb Natapov ha scritto:
> > On Mon, Sep 02, 2013 at 05:20:15PM +0800, Xiao Guangrong wrote:
> >> On 08/30/2013 08:41 PM, Paolo Bonzini wrote:
> >>> Page tables in a read-only memo
On Mon, Sep 02, 2013 at 05:56:07PM +0200, Paolo Bonzini wrote:
> Il 02/09/2013 12:07, Gleb Natapov ha scritto:
> > On Mon, Sep 02, 2013 at 06:00:39PM +0800, Xiao Guangrong wrote:
> >> On 09/02/2013 05:25 PM, Gleb Natapov wrote:
> >>> On Mon, Sep 02, 2013 at 05:20:15
On Mon, Sep 02, 2013 at 05:58:41PM +0200, Paolo Bonzini wrote:
> Il 02/09/2013 12:11, Gleb Natapov ha scritto:
> >> >
> >> > Got it, thanks for your explanation.
> >> >
> >> > BTW, if you and Paolo are busy on other things, i am happy to fix
On Mon, Sep 02, 2013 at 01:14:29PM +1000, Alexey Kardashevskiy wrote:
> On 09/01/2013 10:06 PM, Gleb Natapov wrote:
> > On Wed, Aug 28, 2013 at 06:50:41PM +1000, Alexey Kardashevskiy wrote:
> >> This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT
> >&g
ng in arch/mips/kvm/kvm_locore.S
mips/kvm: Cleanup .push/.pop directives in kvm_locore.S
mips/kvm: Make kvm_locore.S 64-bit buildable/safe.
Dominik Dingel (1):
KVM: s390: Make KVM_HVA_ERR_BAD usable on s390
Gleb Natapov (7):
nVMX: reset rflags register cache during
On Tue, Sep 03, 2013 at 01:32:22PM -0400, Chris Metcalf wrote:
> On 8/26/2013 8:04 AM, Gleb Natapov wrote:
> > On Sun, Aug 25, 2013 at 09:26:47PM -0400, Chris Metcalf wrote:
> >> On 8/25/2013 7:39 AM, Gleb Natapov wrote:
> >>> On Mon, Aug 12, 2013 at 04:24:1
On Thu, Sep 12, 2013 at 03:23:15PM -0600, Alex Williamson wrote:
> So far we've succeeded at making KVM and VFIO mostly unaware of each
> other, but there's any important point where that breaks down. Intel
> VT-d hardware may or may not support snoop control. When snoop
> control is available, i
On Sun, Sep 29, 2013 at 07:52:28AM -0600, Alex Williamson wrote:
> On Sun, 2013-09-29 at 16:16 +0300, Gleb Natapov wrote:
> > On Thu, Sep 12, 2013 at 03:23:15PM -0600, Alex Williamson wrote:
> > > So far we've succeeded at making KVM and VFIO mostly unaware of each
>
On Mon, Sep 30, 2013 at 06:03:07PM +0800, chai wen wrote:
>
> Hi all
>
> Async page fault in kvm currently pin user pages via get_user_pages.
> when doing page migration,the method can be found via
> page->mmapping->a_ops->migratepage to offline old pages and migrate to
> new pages. As to anonymo
On Sun, Sep 29, 2013 at 09:55:59AM -0600, Alex Williamson wrote:
> On Sun, 2013-09-29 at 17:44 +0300, Gleb Natapov wrote:
> > On Sun, Sep 29, 2013 at 07:52:28AM -0600, Alex Williamson wrote:
> > > On Sun, 2013-09-29 at 16:16 +0300, Gleb Natapov wrote:
> > > > On T
On Tue, Oct 01, 2013 at 06:34:26PM +1000, Michael Ellerman wrote:
> On Thu, Sep 26, 2013 at 11:06:59AM +0200, Paolo Bonzini wrote:
> > Il 26/09/2013 08:31, Michael Ellerman ha scritto:
> > > Some powernv systems include a hwrng. Guests can access it via the
> > > H_RANDOM hcall.
> >
> > Is there a
On Tue, Oct 01, 2013 at 07:23:20PM +1000, Paul Mackerras wrote:
> On Tue, Oct 01, 2013 at 11:39:08AM +0300, Gleb Natapov wrote:
> > On Tue, Oct 01, 2013 at 06:34:26PM +1000, Michael Ellerman wrote:
> > > On Thu, Sep 26, 2013 at 11:06:59AM +0200, Paolo Bonzini wrote:
> >
k in the "raw" part and the
> "non-raw" part.
>
> Paul, could you please provide your Tested-by?
>
Reviewed-by: Gleb Natapov
But why should it go to stable?
> Thanks,
>
> Paolo
>
> Paolo Bonzini (3):
> KVM: cleanup (physical) CPU hotplug
>
On Mon, Sep 16, 2013 at 04:26:30PM +0200, Paolo Bonzini wrote:
> A guest can still attempt to save and restore XSAVE states even if they
> have been masked in CPUID leaf 0Dh. This usually is not visible to
> the guest, but is still wrong: "Any attempt to set a reserved bit (as
> determined by the
On Sun, Sep 22, 2013 at 10:53:14AM +0200, Paolo Bonzini wrote:
> Il 22/09/2013 09:42, Gleb Natapov ha scritto:
> > On Mon, Sep 16, 2013 at 04:06:10PM +0200, Paolo Bonzini wrote:
> >> Paul Gortmaker reported a BUG on preempt-rt kernels, due to taking the
> >> mmu_lock
On Mon, Sep 23, 2013 at 12:22:37PM +0200, Paolo Bonzini wrote:
> >> @@ -6940,6 +6948,9 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu)
> >>
> >>vcpu->arch.ia32_tsc_adjust_msr = 0x0;
> >>vcpu->arch.pv_time_enabled = false;
> >> +
> >> + vcpu->arch.supported_xcr0 = XSTATE_FPSSE;
> >> +
>
On Mon, Sep 23, 2013 at 03:44:21PM +0200, Paolo Bonzini wrote:
> Il 23/09/2013 15:36, Paul Gortmaker ha scritto:
> >> > The change is not completely trivial, it splits lock. There is no
> >> > obvious problem of course, otherwise you wouldn't send it and I
> >> > would ack it :), but it does not me
On Tue, Sep 24, 2013 at 11:57:00AM +0200, Borislav Petkov wrote:
> On Mon, September 23, 2013 6:28 pm, Eduardo Habkost wrote:
> > On Sun, Sep 22, 2013 at 04:44:50PM +0200, Borislav Petkov wrote:
> >> From: Borislav Petkov
> >>
> >> Add a kvm ioctl which states which system functionality kvm emulat
On Fri, Nov 30, 2012 at 03:20:27PM -0200, Raphael S Carvalho wrote:
> Well, the below function reports the physical-address width supported
> by the processor.
> It does its work very well, though I found a detail which it doesn't
> handle at all.
>
> PS: The following function is not a patch.
> i
On Mon, Dec 03, 2012 at 10:08:32AM +0800, Li Zhong wrote:
> On Fri, 2012-11-30 at 12:26 +0200, Gleb Natapov wrote:
> > On Fri, Nov 30, 2012 at 05:18:41PM +0800, Li Zhong wrote:
> > > This patch adds user eqs exception hooks for async page fault page not
> > > present
Please regenerate the patch against
git://git.kernel.org/pub/scm/virt/kvm/kvm.git queue.
On Fri, Nov 30, 2012 at 05:18:41PM +0800, Li Zhong wrote:
> This patch adds user eqs exception hooks for async page fault page not
> present code path, to exit the user eqs and re-enter it as necessary.
>
>
On Tue, Nov 27, 2012 at 02:18:47PM +0200, Gleb Natapov wrote:
> Eric, can you ACK it?
>
Eric, ping.
> On Tue, Nov 27, 2012 at 11:26:02AM +0800, Zhang Yanfei wrote:
> > This patch provides a way to VMCLEAR VMCSs related to guests
> > on all cpus before executing the VMXOFF w
On Tue, Dec 04, 2012 at 10:36:02AM +0800, Li Zhong wrote:
> On Mon, 2012-12-03 at 11:57 +0200, Gleb Natapov wrote:
> > Please regenerate the patch against
> > git://git.kernel.org/pub/scm/virt/kvm/kvm.git queue.
>
> Done.
>
> By the way, the included file is replaced
On Mon, Dec 03, 2012 at 04:39:05PM -0700, Alex Williamson wrote:
> Memory slots are currently a fixed resource with a relatively small
> limit. When using PCI device assignment in a qemu guest it's fairly
> easy to exhaust the number of available slots. I posted patches
> exploring growing the nu
On Tue, Dec 04, 2012 at 10:36:02AM +0800, Li Zhong wrote:
> On Mon, 2012-12-03 at 11:57 +0200, Gleb Natapov wrote:
> > Please regenerate the patch against
> > git://git.kernel.org/pub/scm/virt/kvm/kvm.git queue.
>
> Done.
>
> By the way, the included file is replaced
On Tue, Dec 04, 2012 at 08:21:55AM -0700, Alex Williamson wrote:
> On Tue, 2012-12-04 at 13:48 +0200, Gleb Natapov wrote:
> > On Mon, Dec 03, 2012 at 04:39:05PM -0700, Alex Williamson wrote:
> > > Memory slots are currently a fixed resource with a relatively small
> >
On Tue, Dec 04, 2012 at 08:39:47AM -0700, Alex Williamson wrote:
> On Tue, 2012-12-04 at 17:30 +0200, Gleb Natapov wrote:
> > On Tue, Dec 04, 2012 at 08:21:55AM -0700, Alex Williamson wrote:
> > > On Tue, 2012-12-04 at 13:48 +0200, Gleb Natapov wrote:
> > > > On M
_exclusive_wait+0xb0/0xb0
> [ 732.790032] [] ? prepare_to_wait+0x25/0x90
> [ 732.790032] [] do_async_page_fault+0x56/0xa0
> [ 732.790032] [] async_page_fault+0x28/0x30
>
> Signed-off-by: Sasha Levin
Acked-by: Gleb Natapov
> ---
> arch/x86/kernel/kvm.c | 3 +++
> 1 file changed,
On Fri, Oct 19, 2012 at 03:37:32PM +0800, Xiao Guangrong wrote:
> After commit b3356bf0dbb349 (KVM: emulator: optimize "rep ins" handling),
> the pieces of io data can be collected and write them to the guest memory
> or MMIO together.
>
> Unfortunately, kvm splits the mmio access into 8 bytes and
On Mon, Oct 22, 2012 at 11:24:19AM +0200, Avi Kivity wrote:
> On 10/21/2012 05:39 PM, Pekka Enberg wrote:
> >
> > On Sun, Oct 21, 2012 at 5:02 PM, richard -rw- weinberger
> > wrote:
> >> qemu supports all these features.
> >> E.g. to access the host fs use:
> >> qemu ... \
> >> -fsdev
> >> loc
On Mon, Oct 22, 2012 at 07:09:38PM +0800, Xiao Guangrong wrote:
> On 10/22/2012 05:16 PM, Gleb Natapov wrote:
> > On Fri, Oct 19, 2012 at 03:37:32PM +0800, Xiao Guangrong wrote:
> >> After commit b3356bf0dbb349 (KVM: emulator: optimize "rep ins" handling),
>
On Mon, Oct 22, 2012 at 01:35:56PM +0200, Jan Kiszka wrote:
> On 2012-10-22 13:23, Gleb Natapov wrote:
> > On Mon, Oct 22, 2012 at 07:09:38PM +0800, Xiao Guangrong wrote:
> >> On 10/22/2012 05:16 PM, Gleb Natapov wrote:
> >>> On Fri, Oct 19, 2012 at 03:37:32
On Mon, Oct 22, 2012 at 02:45:37PM +0200, Jan Kiszka wrote:
> On 2012-10-22 14:18, Avi Kivity wrote:
> > On 10/22/2012 01:45 PM, Jan Kiszka wrote:
> >
> >>> Indeed. git pull, recheck and call for kvm_flush_coalesced_mmio_buffer()
> >>> is gone. So this will break new userspace, not old. By global
On Mon, Oct 22, 2012 at 02:55:14PM +0200, Jan Kiszka wrote:
> On 2012-10-22 14:53, Gleb Natapov wrote:
> > On Mon, Oct 22, 2012 at 02:45:37PM +0200, Jan Kiszka wrote:
> >> On 2012-10-22 14:18, Avi Kivity wrote:
> >>> On 10/22/2012 01:45 PM, Jan Kiszka wrote:
> >
On Mon, Oct 22, 2012 at 02:55:24PM +0200, Avi Kivity wrote:
> On 10/22/2012 02:53 PM, Gleb Natapov wrote:
> > On Mon, Oct 22, 2012 at 02:45:37PM +0200, Jan Kiszka wrote:
> >> On 2012-10-22 14:18, Avi Kivity wrote:
> >> > On 10/22/2012 01:45 PM, Jan Kiszka wrote:
>
On Mon, Oct 22, 2012 at 03:02:22PM +0200, Avi Kivity wrote:
> On 10/22/2012 03:01 PM, Gleb Natapov wrote:
>
> >> It's time where the guest cannot take interrupts, and time in a high
> >> priority guest thread that is spent processing low guest priority requests.
>
On Mon, Oct 22, 2012 at 03:05:58PM +0200, Jan Kiszka wrote:
> On 2012-10-22 14:58, Avi Kivity wrote:
> > On 10/22/2012 02:55 PM, Jan Kiszka wrote:
> >>> Since the userspace change is needed the idea is dead, but if we could
> >>> implement it I do not see how it can hurt the latency if it would be
On Mon, Oct 22, 2012 at 03:25:49PM +0200, Jan Kiszka wrote:
> On 2012-10-22 15:08, Gleb Natapov wrote:
> > On Mon, Oct 22, 2012 at 03:05:58PM +0200, Jan Kiszka wrote:
> >> On 2012-10-22 14:58, Avi Kivity wrote:
> >>> On 10/22/2012 02:55 PM, Jan Kiszka wrote:
> &g
On Tue, Dec 04, 2012 at 07:17:11AM +0800, Xiao Guangrong wrote:
> There are two cases we need to adjust page size in set_spte:
> 1): the one is other vcpu creates new sp in the window between mapping_level()
> and acquiring mmu-lock.
> 2): the another case is the new sp is created by itself (pa
Can you regenerate against current queue branch in
git://git.kernel.org/pub/scm/virt/kvm/kvm.git please?
On Wed, Dec 05, 2012 at 03:58:50PM +0800, Zhang Yanfei wrote:
> Currently, kdump just makes all the logical processors leave VMX operation by
> executing VMXOFF instruction, so any VMCSs active
On Thu, Dec 06, 2012 at 11:36:48PM +0800, Zhang Yanfei wrote:
> Currently, kdump just makes all the logical processors leave VMX operation by
> executing VMXOFF instruction, so any VMCSs active on the logical processors
> may
> be corrupted. But, sometimes, we need the VMCSs to debug guest images
Copying more people. Is this approach good? The alternative would be to
allocate NR_CPUS sized arrays in KVM.
On Fri, Dec 07, 2012 at 04:30:23PM -0500, Dave Hansen wrote:
>
> This is necessary because __pa() does not work on some kinds of
> memory, like vmalloc() or the alloc_remap() areas on 32-
On Mon, Dec 10, 2012 at 03:28:13PM -0600, Jesse Larrew wrote:
>
> The return value of kvm_emulate_hypercall() is intended to inform callers
> whether or not we need to exit to userspace. However, handle_vmcall()
> currently ignores the return value.
>
No, it it not. KVM does not handle vmcalls in
On Tue, Dec 11, 2012 at 04:04:55PM +0800, Zhang Yanfei wrote:
> 于 2012年12月11日 04:30, Marcelo Tosatti 写道:
> > On Fri, Dec 07, 2012 at 01:40:56PM +0800, Zhang Yanfei wrote:
> >> This removes the sparse warning:
> >> arch/x86/kernel/crash.c:49:32: sparse: incompatible types in comparison
> >> express
On Fri, Nov 09, 2012 at 05:27:21PM -0800, Andi Kleen wrote:
> From: Andi Kleen
>
> This is not arch perfmon, but older CPUs will just ignore it. This makes
> it possible to do at least some TSX measurements from a KVM guest
>
> Cc: a...@redhat.com
> Cc: g...@redhat.com
> v2: Various fixes to add
On Sat, Dec 15, 2012 at 06:34:37AM -0500, Nickolai Zeldovich wrote:
> The kvm i8254 emulation for counter 0 (but not for counters 1 and 2)
> has at least two bugs in mode 0:
>
> 1. The OUT bit, computed by pit_get_out(), is never set high.
>
> 2. The counter value, computed by pit_get_count(), wr
On Tue, Dec 04, 2012 at 10:35:13AM +0800, Li Zhong wrote:
> This patch adds user eqs exception hooks for async page fault page not
> present code path, to exit the user eqs and re-enter it as necessary.
>
> Async page fault is different from other exceptions that it may be
> triggered from idle pr
On Thu, Dec 20, 2012 at 10:59:46AM -0200, Marcelo Tosatti wrote:
> On Thu, Dec 20, 2012 at 02:02:32PM +0900, Takuya Yoshikawa wrote:
> > On Wed, 19 Dec 2012 08:42:57 -0700
> > Alex Williamson wrote:
> >
> > > Please let me know if you can identify one of these as the culprit.
> > > They're all ve
On Fri, Dec 21, 2012 at 05:02:50PM +0900, Takuya Yoshikawa wrote:
> On Thu, 20 Dec 2012 07:55:43 -0700
> Alex Williamson wrote:
>
> > > Yes, the fix should work, but I do not want to update the
> > > generation from outside of update_memslots().
> >
> > Ok, then:
> >
> > diff --git a/include/lin
On Fri, Dec 21, 2012 at 08:20:16AM -0700, Alex Williamson wrote:
> Previous patch "kvm: Minor memory slot optimization" overlooked the
> generation field of the memory slots. Re-using the original memory
> slots left us with with two slightly different memory slots with the
> same generation. To
On Sat, Dec 22, 2012 at 12:30:35PM -0700, David Ahern wrote:
> On 12/17/12 3:20 AM, Gleb Natapov wrote:
> >Does the regression happen because of commit 20b279ddb38c. If it does I
> >think it is safe to revert it. KVM disables PEBS during guest entry now, so
> >VMs shouldn
On Fri, Dec 14, 2012 at 11:05:46PM -0200, Marcelo Tosatti wrote:
> On Fri, Dec 14, 2012 at 12:50:09PM +0800, Xiao Guangrong wrote:
> > >>> program a timer interrupt and #GP?
> > >>
> > >> Could you please explain the detail?
> > >
> > > Before the instruction which writes continuously to the page
On Sat, Dec 15, 2012 at 03:01:12PM +0800, Xiao Guangrong wrote:
> The current reexecute_instruction can not well detect the failed instruction
> emulation. It allows guest to retry all the instructions except it accesses
> on error pfn
>
> For example, some cases are nested-write-protect - if the
On Sun, Dec 23, 2012 at 04:17:45PM -0700, David Ahern wrote:
> On 12/23/12 2:23 AM, Gleb Natapov wrote:
> >>Your patch alone was not enough. Start here:
> >> https://lkml.org/lkml/2012/7/12/3
> >>
> >I cannot reproduce this failure. I reverted 20b279ddb38c a
On Tue, Dec 18, 2012 at 04:26:47PM +0900, Takuya Yoshikawa wrote:
> This is needed to make kvm_mmu_slot_remove_write_access() rmap based:
> otherwise we may end up using invalid rmap's.
>
> Signed-off-by: Takuya Yoshikawa
> ---
> arch/x86/kvm/x86.c |9 -
> virt/kvm/kvm_main.c |1
On Tue, Dec 25, 2012 at 01:08:40PM +0900, Takuya Yoshikawa wrote:
> On Mon, 24 Dec 2012 15:27:17 +0200
> Gleb Natapov wrote:
>
> > > @@ -6897,7 +6897,14 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
> > > spin_lock(&kvm->m
On Tue, Nov 20, 2012 at 07:58:32AM +0800, Xiao Guangrong wrote:
> Little cleanup for reexecute_instruction, also use gpa_to_gfn in
> retry_instruction
>
> Signed-off-by: Xiao Guangrong
> ---
> arch/x86/kvm/x86.c | 13 ++---
> 1 files changed, 6 insertions(+), 7 deletions(-)
>
> diff -
Updating MAINTAINERS file.
Signed-off-by: Gleb Natapov
diff --git a/MAINTAINERS b/MAINTAINERS
index 6b5b0b7..b273360 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4281,6 +4281,7 @@ F:include/linux/sunrpc/
KERNEL VIRTUAL MACHINE (KVM)
M: Marcelo Tosatti
+M: Gleb Natapov
L
On Tue, Apr 16, 2013 at 01:49:18PM -0600, Alex Williamson wrote:
> We hope to at some point deprecate KVM legacy device assignment in
> favor of VFIO-based assignment. Towards that end, allow legacy
> device assignment to be deconfigured.
>
> Signed-off-by: Alex Williamson
On Wed, Apr 17, 2013 at 05:39:04PM -0300, Marcelo Tosatti wrote:
> On Fri, Mar 22, 2013 at 09:15:24PM +0200, Gleb Natapov wrote:
> > On Fri, Mar 22, 2013 at 08:37:33PM +0800, Xiao Guangrong wrote:
> > > On 03/22/2013 08:12 PM, Gleb Natapov wrote:
> > > > On Fri, Ma
On Tue, Apr 16, 2013 at 02:32:46PM +0800, Xiao Guangrong wrote:
> pte_list_clear_concurrently allows us to reset pte-desc entry
> out of mmu-lock. We can reset spte out of mmu-lock if we can protect the
> lifecycle of sp, we use this way to achieve the goal:
>
> unmap_memslot_rmap_nolock():
> for-
On Thu, Apr 18, 2013 at 07:22:23PM +0800, Xiao Guangrong wrote:
> On 04/18/2013 07:00 PM, Gleb Natapov wrote:
> > On Tue, Apr 16, 2013 at 02:32:46PM +0800, Xiao Guangrong wrote:
> >> pte_list_clear_concurrently allows us to reset pte-desc entry
> >> out of mmu-lock. W
On Thu, Apr 18, 2013 at 12:00:49PM +, Zhanghaoyu (A) wrote:
> I start 10 VMs(windows xp), then running geekbench tool on them, about 2
> days, one of them was reset,
> I found the reset operation is done by
> int kvm_cpu_exec(CPUArchState *env)
> {
> ...
>switch (run->exit_reason)
On Thu, Apr 18, 2013 at 11:01:18AM -0300, Marcelo Tosatti wrote:
> On Thu, Apr 18, 2013 at 12:42:39PM +0300, Gleb Natapov wrote:
> > > > that, but if not then less code is better.
> > >
> > > The number of sp->role.invalid=1 pages is small (only shadow roots).
On Fri, Apr 19, 2013 at 01:05:08AM +, Zhanghaoyu (A) wrote:
> >> On Thu, Apr 18, 2013 at 12:00:49PM +, Zhanghaoyu (A) wrote:
> >>> I start 10 VMs(windows xp), then running geekbench tool on them,
> >>> about 2 days, one of them was reset, I found the reset operation is
> >>> done by int k
On Tue, Apr 16, 2013 at 02:32:38PM +0800, Xiao Guangrong wrote:
> This patchset is based on my previous two patchset:
> [PATCH 0/2] KVM: x86: avoid potential soft lockup and unneeded mmu reload
> (https://lkml.org/lkml/2013/4/1/2)
>
> [PATCH v2 0/6] KVM: MMU: fast invalid all mmio sptes
> (https:/
On Sun, Apr 21, 2013 at 10:09:29PM +0800, Xiao Guangrong wrote:
> On 04/21/2013 09:03 PM, Gleb Natapov wrote:
> > On Tue, Apr 16, 2013 at 02:32:38PM +0800, Xiao Guangrong wrote:
> >> This patchset is based on my previous two patchset:
> >> [PATCH 0/2] KVM: x86: avoi
On Sun, Apr 21, 2013 at 12:35:08PM -0300, Marcelo Tosatti wrote:
> On Sun, Apr 21, 2013 at 12:27:51PM -0300, Marcelo Tosatti wrote:
> > On Sun, Apr 21, 2013 at 04:03:46PM +0300, Gleb Natapov wrote:
> > > On Tue, Apr 16, 2013 at 02:32:38PM +0800, Xiao Guangrong wrote:
> > &g
On Mon, Apr 22, 2013 at 07:08:06PM -0400, Rik van Riel wrote:
> On 04/22/2013 04:55 PM, Peter Zijlstra wrote:
> >On Mon, 2013-04-22 at 16:46 -0400, Jiannan Ouyang wrote:
>
> >>- pv-preemptable-lock has much less performance variance compare to
> >>pv_lock, because it adapts to preemption within V
On Tue, Apr 23, 2013 at 08:19:02AM +0800, Xiao Guangrong wrote:
> On 04/22/2013 05:21 PM, Gleb Natapov wrote:
> > On Sun, Apr 21, 2013 at 10:09:29PM +0800, Xiao Guangrong wrote:
> >> On 04/21/2013 09:03 PM, Gleb Natapov wrote:
> >>> On Tue, Apr 16, 2013 at 02:32:38
On Tue, Apr 23, 2013 at 03:20:28PM +0800, Xiao Guangrong wrote:
> On 04/23/2013 02:28 PM, Gleb Natapov wrote:
> > On Tue, Apr 23, 2013 at 08:19:02AM +0800, Xiao Guangrong wrote:
> >> On 04/22/2013 05:21 PM, Gleb Natapov wrote:
> >>> On Sun, Apr 21, 2013 at 10:09:29
On Tue, Apr 23, 2013 at 08:21:29AM +, Zhanghaoyu (A) wrote:
> >> >> On Thu, Apr 18, 2013 at 12:00:49PM +, Zhanghaoyu (A) wrote:
> >> >>> I start 10 VMs(windows xp), then running geekbench tool on them,
> >> >>> about 2 days, one of them was reset, I found the reset operation
> >> >>> is d
dress review feedback
> v3: Ignore the bits when no CPUID. No #GP. Force raw events with TSX bits.
> v4: Use reserved bits for #GP
> v5: Remove obsolete argument
> Signed-off-by: Andi Kleen
Acked-by: Gleb Natapov
> ---
> arch/x86/include/asm/kvm_host.h |1 +
&g
ra_available() that can
benefit from this is in sound/pci/intel8x0.c, but I do not see follow up
patch to use it there.
> Signed-off-by: James Hogan
> Cc: Marcelo Tosatti
> Cc: Gleb Natapov
> Cc: Arnd Bergmann
> ---
> include/asm-generic/kvm_para.h | 5 +
> 1 file changed
On Thu, May 30, 2013 at 06:00:30PM +0200, Paolo Bonzini wrote:
> This lets debugging work better during emulation of invalid
> guest state.
>
> The check is done before emulating the instruction, and (in the case
> of guest debugging) reuses EMULATE_DO_MMIO to exit with KVM_EXIT_DEBUG.
>
> Signed
On Tue, Jun 04, 2013 at 01:33:20PM +0200, Paolo Bonzini wrote:
> Il 04/06/2013 13:28, Gleb Natapov ha scritto:
> > On Thu, May 30, 2013 at 06:00:30PM +0200, Paolo Bonzini wrote:
> >> This lets debugging work better during emulation of invalid
> >> guest state.
> &g
m: Use ARRAY_SIZE() instead of hardcoded constants in
kvm_arch_vcpu_ioctl_{s,g}et_regs
mips/kvm: Fix ABI by moving manipulation of CP0 registers to
KVM_{G,S}ET_ONE_REG
mips/kvm: Use ENOIOCTLCMD to indicate unimplemented ioctls.
Gleb Natapov (1):
KVM: Fix race in apic->pendi
On Tue, Jun 04, 2013 at 02:19:13PM +0200, Paolo Bonzini wrote:
> Il 04/06/2013 13:47, Gleb Natapov ha scritto:
> > On Tue, Jun 04, 2013 at 01:33:20PM +0200, Paolo Bonzini wrote:
> >> Il 04/06/2013 13:28, Gleb Natapov ha scritto:
> >>> On Thu, May 30, 2013 at 06:00:3
On Tue, Jun 04, 2013 at 10:26:01PM -0300, Marcelo Tosatti wrote:
> On Fri, May 31, 2013 at 08:36:19AM +0800, Xiao Guangrong wrote:
> > Hi Gleb, Paolo, Marcelo,
> >
> > I have putted the potential controversial patches to the latter that are
> > patch 8 ~ 10, patch 11 depends on patch 9. Other patc
On Fri, May 31, 2013 at 08:36:19AM +0800, Xiao Guangrong wrote:
> Hi Gleb, Paolo, Marcelo,
>
> I have putted the potential controversial patches to the latter that are
> patch 8 ~ 10, patch 11 depends on patch 9. Other patches are fully reviewed,
> I think its are ready for being merged. If not lu
On Tue, Jun 04, 2013 at 12:33:19PM +0100, James Hogan wrote:
> On 4 June 2013 10:05, Gleb Natapov wrote:
> > On Wed, May 22, 2013 at 12:29:22PM +0100, James Hogan wrote:
> >> According to include/uapi/linux/kvm_para.h architectures should define
> >> kvm_para_availabl
at, I recommend to use a special
> > instance for getting this event:
> >
> > 1. set a instance before booting a guest
> > # cd /sys/kernel/debug/tracing/instances
> > # mkdir tsc_offset
> > # cd tsc_offset
> > # echo x86-tsc > trace_clock
> > # e
On Tue, Jun 18, 2013 at 04:13:02PM +0200, Paolo Bonzini wrote:
> Il 09/06/2013 14:27, Gleb Natapov ha scritto:
> > On Sun, Jun 09, 2013 at 08:17:19PM +0800, Xiao Guangrong wrote:
> >> On 06/09/2013 07:56 PM, Gleb Natapov wrote:
> >>> On Sun, Jun 09, 2013 at 07:44:03
On Wed, May 29, 2013 at 09:19:41PM +0800, Xiao Guangrong wrote:
> On 05/29/2013 08:39 PM, Marcelo Tosatti wrote:
> > On Wed, May 29, 2013 at 11:03:19AM +0800, Xiao Guangrong wrote:
> > the pages since other vcpus may be doing locklessly shadow
> > page walking
> >>>
> >>> Ah, yes, i agree w
On Sun, Jun 02, 2013 at 12:51:25AM +0530, Raghavendra K T wrote:
>
> This series replaces the existing paravirtualized spinlock mechanism
> with a paravirtualized ticketlock mechanism. The series provides
> implementation for both Xen and KVM.
>
High level question here. We have a big hope for "P
On Thu, May 30, 2013 at 04:35:55PM +0200, Paolo Bonzini wrote:
> The x86-64 extended low-byte registers were fetched correctly from reg,
> but not from mod/rm.
>
> This fixes another bug in the boot of RHEL5.9 64-bit, but it is still
> not enough.
>
Did I missed unit test patch? :)
> Cc: gnata..
On Mon, Jun 03, 2013 at 08:27:57AM +0200, Paolo Bonzini wrote:
> Il 02/06/2013 20:12, Gleb Natapov ha scritto:
> > On Thu, May 30, 2013 at 04:35:55PM +0200, Paolo Bonzini wrote:
> >> The x86-64 extended low-byte registers were fetched correctly from reg,
> >> but not
On Thu, May 30, 2013 at 01:22:39PM +0200, Paolo Bonzini wrote:
> This is encountered when booting RHEL5.9 64-bit. There is another bug
> after this one that is not a simple emulation failure, but this one lets
> the boot proceed a bit.
>
> Cc: # 3.9
> Signed-off-by: Paolo Bonzini
Applied to mas
On Thu, May 30, 2013 at 04:35:55PM +0200, Paolo Bonzini wrote:
> The x86-64 extended low-byte registers were fetched correctly from reg,
> but not from mod/rm.
>
> This fixes another bug in the boot of RHEL5.9 64-bit, but it is still
> not enough.
>
> Cc: gnata...@redhat.com
> Cc: k...@vger.kerne
On Thu, May 30, 2013 at 05:34:21PM +0200, Paolo Bonzini wrote:
> Il 30/05/2013 16:35, Paolo Bonzini ha scritto:
> > The x86-64 extended low-byte registers were fetched correctly from reg,
> > but not from mod/rm.
> >
> > This fixes another bug in the boot of RHEL5.9 64-bit, but it is still
> > not
On Mon, Jun 03, 2013 at 06:42:11PM +0300, Avi Kivity wrote:
> On Thu, May 30, 2013 at 7:34 PM, Paolo Bonzini wrote:
> > Il 30/05/2013 17:34, Paolo Bonzini ha scritto:
> >> Il 30/05/2013 16:35, Paolo Bonzini ha scritto:
> >>> The x86-64 extended low-byte registers were fetched correctly from reg,
>
On Mon, Jun 03, 2013 at 08:30:18PM +0300, Avi Kivity wrote:
> On Jun 3, 2013 7:41 PM, "Gleb Natapov" wrote:
> >
> > On Mon, Jun 03, 2013 at 06:42:11PM +0300, Avi Kivity wrote:
> > > On Thu, May 30, 2013 at 7:34 PM, Paolo Bonzini
> wrote:
> > > &
On Wed, Jun 12, 2013 at 04:43:41PM +0900, Yoshihiro YUNOMAE wrote:
> Hi All,
>
Applied, thanks.
> I'd like to propose a patch which adds a tracepoint at write_tsc_offset for
> tracing guests TSC offset changes. It is required for sorting the trace data
> of
> a guest and the host in chronologica
>Fix build error caused by an undefinition of the kvm_write_tsc_offset
> >tracepoint for x86_32.
> >Since the tracepoint in trace.h was defined for CONFIG_X86_64, kernel build
> >on i386 was failed.
> >
> >Signed-off-by: Yoshihiro YUNOMAE
> >Cc: Joerg Roedel
&
On Wed, May 22, 2013 at 11:43:55AM -0700, David Daney wrote:
> From: David Daney
>
> Because not all 256 CP0 registers are ever implemented, we need a
> different method of manipulating them. Use the
> KVM_SET_ONE_REG/KVM_GET_ONE_REG mechanism.
>
> Now unused code and definitions are removed.
>
On Fri, Jun 07, 2013 at 04:15:00PM -0700, David Daney wrote:
> I should also add that I will shortly send patches for the kvm tool
> required to drive this VM as well as a small set of patches that
> create a para-virtualized MIPS/Linux guest kernel.
>
> The idea is that because there is no standa
On Sat, Jun 08, 2013 at 11:15:37AM +0800, Xiao Guangrong wrote:
> From: Xiao Guangrong
>
> Currently, memory synchronization is missed in emulator_fix_hypercall,
> please see the commit 758ccc89b83
> (KVM: x86: drop calling kvm_mmu_zap_all in emulator_fix_hypercall)
>
> This patch fixes it by in
; become worse if guest uses more memory or vcpus. It is not good for
> scalability.
>
> * Idea
> KVM maintains a global mmu invalid generation-number which is stored in
> kvm->arch.mmu_valid_gen and every shadow page stores the current global
> generation-number into sp->
On Sun, Jun 09, 2013 at 04:56:42PM +0800, Xiao Guangrong wrote:
> On 06/09/2013 04:45 PM, Gleb Natapov wrote:
> > On Sat, Jun 08, 2013 at 11:15:37AM +0800, Xiao Guangrong wrote:
> >> From: Xiao Guangrong
> >>
> >> Currently, memory synchronization is missed in
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