On 06/07/2013 08:16 AM, Scott Wood wrote:
Most of these have been posted before, but I grouped them together as
there are some contextual dependencies between them.
Gleb/Paolo: As Alex doesn't appear to be back yet, can you apply these
if there's no objection over the next few days?
Scott and
Am 09.07.2013 um 09:21 schrieb tiejun.chen tiejun.c...@windriver.com:
On 06/07/2013 08:16 AM, Scott Wood wrote:
Most of these have been posted before, but I grouped them together as
there are some contextual dependencies between them.
Gleb/Paolo: As Alex doesn't appear to be back yet, can
On 07/09/2013 04:53 PM, Alexander Graf wrote:
Am 09.07.2013 um 09:21 schrieb tiejun.chen tiejun.c...@windriver.com:
On 06/07/2013 08:16 AM, Scott Wood wrote:
Most of these have been posted before, but I grouped them together as
there are some contextual dependencies between them.
On 06/27/2013 07:02 AM, Alexey Kardashevskiy wrote:
Signed-off-by: Alexey Kardashevskiya...@ozlabs.ru
---
include/uapi/linux/kvm.h |2 ++
1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 970b1f5..0865c01 100644
---
On 07/08/2013 03:33 AM, Benjamin Herrenschmidt wrote:
On Sun, 2013-07-07 at 01:07 +1000, Alexey Kardashevskiy wrote:
The current VFIO-on-POWER implementation supports only user mode
driven mapping, i.e. QEMU is sending requests to map/unmap pages.
However this approach is really slow, so we
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
The existing TCE machine calls (tce_build and tce_free) only support
virtual mode as they call __raw_writeq for TCE invalidation what
fails in real mode.
This introduces tce_build_rm and tce_free_rm real mode versions
which do mostly the same
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT
and H_STUFF_TCE requests without passing them to QEMU, which saves time
on switching to QEMU and back.
Both real and virtual modes are supported. First the kernel tries to
On 07/08/2013 08:39:05 AM, Alexander Graf wrote:
On 28.06.2013, at 11:20, Mihai Caraman wrote:
lwepx faults needs to be handled by KVM and this implies additional
code
in DO_KVM macro to identify the source of the exception originated
from
host context. This requires to check the
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On 03.07.2013, at 15:30, Mihai Caraman wrote:
Some guests are making use of return from machine check instruction
to do crazy things even though the 64-bit kernel doesn't handle yet
this interrupt. Emulate MCSRR0/1 SPR and rfmci instruction
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
This adds special support for huge pages (16MB). The reference
counting cannot be easily done for such pages in real mode (when
MMU is off) so we added a list of huge pages. It is populated in
virtual mode and get_page is called just once per
On 07/09/2013 07:13 PM, Scott Wood wrote:
On 07/08/2013 08:39:05 AM, Alexander Graf wrote:
On 28.06.2013, at 11:20, Mihai Caraman wrote:
lwepx faults needs to be handled by KVM and this implies additional
code
in DO_KVM macro to identify the source of the exception originated
from
host
On 07/09/2013 07:16 PM, Scott Wood wrote:
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On 03.07.2013, at 15:30, Mihai Caraman wrote:
Some guests are making use of return from machine check instruction
to do crazy things even though the 64-bit kernel doesn't handle yet
this interrupt.
On 07/09/2013 12:46:32 PM, Alexander Graf wrote:
On 07/09/2013 07:16 PM, Scott Wood wrote:
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On 03.07.2013, at 15:30, Mihai Caraman wrote:
Some guests are making use of return from machine check
instruction
to do crazy things even though the
On 07/09/2013 12:44:32 PM, Alexander Graf wrote:
On 07/09/2013 07:13 PM, Scott Wood wrote:
On 07/08/2013 08:39:05 AM, Alexander Graf wrote:
On 28.06.2013, at 11:20, Mihai Caraman wrote:
lwepx faults needs to be handled by KVM and this implies
additional code
in DO_KVM macro to identify
On 09.07.2013, at 11:09, tiejun.chen wrote:
On 07/09/2013 04:53 PM, Alexander Graf wrote:
Am 09.07.2013 um 09:21 schrieb tiejun.chen tiejun.c...@windriver.com:
On 06/07/2013 08:16 AM, Scott Wood wrote:
Most of these have been posted before, but I grouped them together as
there are
On 09.07.2013, at 20:46, Scott Wood wrote:
On 07/09/2013 12:44:32 PM, Alexander Graf wrote:
On 07/09/2013 07:13 PM, Scott Wood wrote:
On 07/08/2013 08:39:05 AM, Alexander Graf wrote:
On 28.06.2013, at 11:20, Mihai Caraman wrote:
lwepx faults needs to be handled by KVM and this implies
On 28.06.2013, at 11:20, Mihai Caraman wrote:
lwepx faults needs to be handled by KVM and this implies additional code
in DO_KVM macro to identify the source of the exception originated from
host context. This requires to check the Exception Syndrome Register
(ESR[EPID]) and External PID
On 09.07.2013, at 20:29, Scott Wood wrote:
On 07/09/2013 12:46:32 PM, Alexander Graf wrote:
On 07/09/2013 07:16 PM, Scott Wood wrote:
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On 03.07.2013, at 15:30, Mihai Caraman wrote:
Some guests are making use of return from machine check
On 07/09/2013 04:49:32 PM, Alexander Graf wrote:
On 09.07.2013, at 20:29, Scott Wood wrote:
On 07/09/2013 12:46:32 PM, Alexander Graf wrote:
On 07/09/2013 07:16 PM, Scott Wood wrote:
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On 03.07.2013, at 15:30, Mihai Caraman wrote:
Some
On 09.07.2013, at 23:54, Scott Wood wrote:
On 07/09/2013 04:49:32 PM, Alexander Graf wrote:
On 09.07.2013, at 20:29, Scott Wood wrote:
On 07/09/2013 12:46:32 PM, Alexander Graf wrote:
On 07/09/2013 07:16 PM, Scott Wood wrote:
On 07/08/2013 01:45:58 PM, Alexander Graf wrote:
On
On 07/09/2013 05:00:26 PM, Alexander Graf wrote:
On 09.07.2013, at 23:54, Scott Wood wrote:
On 07/09/2013 04:49:32 PM, Alexander Graf wrote:
Not sure I understand. What the timing stats do is that they
measure the time between [exit ... entry], right? We'd do the same
thing, just all in
On 07/10/2013 03:32 AM, Alexander Graf wrote:
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
This adds special support for huge pages (16MB). The reference
counting cannot be easily done for such pages in real mode (when
MMU is off) so we added a list of huge pages. It is populated in
On 07/10/2013 01:35 AM, Alexander Graf wrote:
On 06/27/2013 07:02 AM, Alexey Kardashevskiy wrote:
Signed-off-by: Alexey Kardashevskiya...@ozlabs.ru
---
include/uapi/linux/kvm.h |2 ++
1 file changed, 2 insertions(+)
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
On Wed, 2013-07-10 at 00:00 +0200, Alexander Graf wrote:
Then don't overflow the buffer. Make it large enough. IIRC ftrace improved
recently to dynamically increase the buffer size too.
Steven, do I remember correctly here?
Not really. Ftrace only dynamically increases the buffer when the
On Tue, 2013-07-09 at 17:26 -0500, Scott Wood wrote:
On 07/09/2013 05:00:26 PM, Alexander Graf wrote:
On 09.07.2013, at 23:54, Scott Wood wrote:
On 07/09/2013 04:49:32 PM, Alexander Graf wrote:
Not sure I understand. What the timing stats do is that they
measure the time between
On 07/09/2013 04:44:24 PM, Alexander Graf wrote:
On 09.07.2013, at 20:46, Scott Wood wrote:
I suspect that tlbsx is faster, or at worst similar. And unlike
comparing tlbsx to lwepx (not counting a fix for the threading
problem), we don't already have code to search the guest TLB, so
On 07/09/2013 04:45:10 PM, Alexander Graf wrote:
On 28.06.2013, at 11:20, Mihai Caraman wrote:
+ /* Get page size */
+ if (MAS0_GET_TLBSEL(mfspr(SPRN_MAS0)) == 0)
+ psize_shift = PAGE_SHIFT;
+ else
+ psize_shift = MAS1_GET_TSIZE(mas1) + 10;
+
+ mas7_mas3 = (((u64)
On Tue, 2013-07-09 at 18:02 +0200, Alexander Graf wrote:
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
The existing TCE machine calls (tce_build and tce_free) only support
virtual mode as they call __raw_writeq for TCE invalidation what
fails in real mode.
This introduces
On 07/10/2013 03:02 AM, Alexander Graf wrote:
On 07/06/2013 05:07 PM, Alexey Kardashevskiy wrote:
This adds real mode handlers for the H_PUT_TCE_INDIRECT and
H_STUFF_TCE hypercalls for QEMU emulated devices such as IBMVIO
devices or emulated PCI. These calls allow adding multiple entries
(up
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