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> From: Alexander Graf
> Sent: Friday, May 2, 2014 12:24 PM
> To: Caraman Mihai Claudiu-B02008
> Cc: kvm-...@vger.kernel.org; kvm@vger.kernel.org;
> linuxppc-...@lists.ozlabs.org
> Subject: Re: [PATCH v2 1/4] KVM: PPC: e500mc: Revert "add load inst fixup"
>
> On 05/01/2014 02:45 AM, Mihai Carama
https://bugzilla.kernel.org/show_bug.cgi?id=75331
Ivan Kalvachev changed:
What|Removed |Added
CC||i...@yahoo.com
Hardware|All
https://bugzilla.kernel.org/show_bug.cgi?id=75331
Bug ID: 75331
Summary: "soft lockup CPU#0 stuck for 23s" regression on 32bit
3.13.0+ kernels.
Product: Virtualization
Version: unspecified
Kernel Version: 3.13.0+
Hardwa
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On Fri, May 2, 2014 at 2:39 PM, Bandan Das wrote:
> Hu Yaohui writes:
>
>> On Fri, May 2, 2014 at 11:52 AM, Paolo Bonzini wrote:
>>> Il 02/05/2014 17:17, Hu Yaohui ha scritto:
>>>
Hi Paolo,
I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
L1 QEMU qemu-1.7.0
Hu Yaohui writes:
> On Fri, May 2, 2014 at 11:52 AM, Paolo Bonzini wrote:
>> Il 02/05/2014 17:17, Hu Yaohui ha scritto:
>>
>>> Hi Paolo,
>>> I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
>>> L1 QEMU qemu-1.7.0
>>> L2 QEMU qemu-1.7.0.
>>
>>
>> Do you mean L0 and L1?
> Y
On 5/2/14, 3:16 AM, Jiri Olsa wrote:
On Fri, Apr 25, 2014 at 11:12:22AM +0200, Christian Borntraeger wrote:
The goal of this series is to
- enable perf kvm stat on s390
- get rid of a perf warning "insn_to_mnemonic not found" when it tries to
decode s390 perf trace events
perf tools changes
On Mon, Apr 28, 2014 at 7:46 PM, Alex Williamson
wrote:
>
> On Mon, 2014-04-28 at 17:52 +0200, Antonios Motakis wrote:
> > Adds support to mask interrupts, and also for automasked interrupts.
> > Level sensitive interrupts are exposed as automasked interrupts and
> > are masked and disabled automa
On Fri, May 2, 2014 at 11:52 AM, Paolo Bonzini wrote:
> Il 02/05/2014 17:17, Hu Yaohui ha scritto:
>
>> Hi Paolo,
>> I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
>> L1 QEMU qemu-1.7.0
>> L2 QEMU qemu-1.7.0.
>
>
> Do you mean L0 and L1?
Yes.
>
> What is your QEMU command
Hello,
As it shows up, upgrading of any system ROMs loaded to the emulator
initially is not possible without complete restart of the emulator
itself, as live migration refuses to complete with different payload at
both ends. Assuming that the guest side payload for vga/ethernet can be
actually re-
3.13.11.1 -stable review patch. If anyone has any objections, please let me
know.
--
From: James Hogan
commit 15505679362270d02c449626385cb74af8905514 upstream.
Previously a reserved instruction exception while in guest code would
cause a KVM internal error if kvm_mips_handle
The current implementation of the 'kvm_pio' tracepoint in emulator_pio_in_out()
only tells us that 'something' has been read from or written to an I/O port. To
improve the usability of the tracepoint, I propose to include the value/content
that has been read or written in the trace output. The prop
Il 02/05/2014 17:17, Hu Yaohui ha scritto:
Hi Paolo,
I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
L1 QEMU qemu-1.7.0
L2 QEMU qemu-1.7.0.
Do you mean L0 and L1?
What is your QEMU command line, and what is the processor? Also, what
guest you are running?
Paolo
I
This patch moves the 'kvm_pio' tracepoint to emulator_pio_in_emulated()
and emulator_pio_out_emulated(), and it adds an argument (a pointer to
the 'pio_data'). A single 8-bit or 16-bit or 32-bit data item is fetched
from 'pio_data' (depending on 'size'), and the value is included in the
trace recor
On Fri, 2014-05-02 at 13:10 +0200, Alexander Graf wrote:
> On 05/02/2014 12:12 PM, David Laight wrote:
> > You also probably want the page mapped uncached - no point polluting the
> > data
> > cache.
We can't do that without creating an architecturally illegal alias
between cacheable and non-cach
Hi Paolo,
I have tried L0 with linux kernel 3.14.2 and L1 with linux kernel 3.14.2
L1 QEMU qemu-1.7.0
L2 QEMU qemu-1.7.0.
I still get the same error when running qemu in L1 guest.
KVM: entry failed, hardware error 0x0
EAX= EBX= ECX= EDX=0f61
ESI= EDI= EB
Linus,
The following changes since commit 0f689a33ad17845363acdc6d52783befd6ad116c:
Merge branch 'for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux (2014-04-16 11:28:25
-0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/virt/kvm/kvm.git tags/
On 05/02/2014 12:12 PM, David Laight wrote:
From: Alexander Graf
...
+ page = pfn_to_page(pfn);
+ eaddr = (unsigned long)kmap_atomic(page);
+ eaddr |= addr & ~PAGE_MASK;
+ *instr = *(u32 *)eaddr;
+ kunmap_atomic((u32 *)eaddr);
I think I'd rather write this as
From: Alexander Graf
...
> > + page = pfn_to_page(pfn);
> > + eaddr = (unsigned long)kmap_atomic(page);
> > + eaddr |= addr & ~PAGE_MASK;
> > + *instr = *(u32 *)eaddr;
> > + kunmap_atomic((u32 *)eaddr);
>
> I think I'd rather write this as
>
>*instr = *(u32 *)(eaddr | (addr & ~PAGE)
On 05/01/2014 02:45 AM, Mihai Caraman wrote:
On bookehv vcpu's last instruction is read using load external pid
(lwepx) instruction. lwepx exceptions (DTLB_MISS, DSI and LRAT) need
to be handled by KVM. These exceptions originate from host state
(MSR[GS] = 0) which implies additional checks in DO
On 05/01/2014 02:45 AM, Mihai Caraman wrote:
On book3e, guest last instruction was read on the exist path using load
external pid (lwepx) dedicated instruction. lwepx failures have to be
handled by KVM and this would require additional checks in DO_KVM hooks
(beside MSR[GS] = 1). However extra ch
Il 02/05/2014 03:43, Hu Yaohui ha scritto:
Hi all,
I have a problem running the latest version of kvm with nested configuration.
I used to run it with kernel 3.2.2 both for L0 and L1, which works perfectly.
When I change my L0 to kernel 3.10.36, L1 to kernel 3.12.10.
When I start L2 guest in L1 w
On 05/01/2014 02:45 AM, Mihai Caraman wrote:
The commit 1d628af7 "add load inst fixup" made an attempt to handle
failures generated by reading the guest current instruction. The fixup
code that was added works by chance hiding the real issue.
Load external pid (lwepx) instruction, used by KVM to
On Fri, Apr 25, 2014 at 11:12:22AM +0200, Christian Borntraeger wrote:
> The goal of this series is to
> - enable perf kvm stat on s390
> - get rid of a perf warning "insn_to_mnemonic not found" when it tries to
> decode s390 perf trace events
perf tools changes look good to me
>
> Review feed
On 05/01/2014 12:12 AM, Paul Mackerras wrote:
On Tue, Apr 29, 2014 at 06:17:37PM +0200, Alexander Graf wrote:
When we expose a POWER8 CPU into the guest, it will start accessing PMU SPRs
that we don't emulate. Just ignore accesses to them.
Signed-off-by: Alexander Graf
This patch is OK as it
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