On 07/16/2013 04:51:12 PM, Yoder Stuart-B08248 wrote:
3. VFIO_DEVICE_GET_REGION_INFO
No changes needed, except perhaps adding a new flag. Freescale
has some
devices with regions that must be mapped cacheable.
While I don't object to making the information available to the
On 07/16/2013 05:41:04 PM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Tuesday, July 16, 2013 5:01 PM
To: Yoder Stuart-B08248
Cc: Wood Scott-B07421; Alex Williamson; Alexander Graf; Bhushan
Bharat-R65777; Sethi Varun-B16395;
On 07/16/2013 01:35:55 AM, Gleb Natapov wrote:
On Mon, Jul 15, 2013 at 01:17:33PM -0500, Scott Wood wrote:
On 07/15/2013 06:30:20 AM, Gleb Natapov wrote:
There is no much sense to share hypercalls between architectures.
There
is zero probability x86 will implement those for instance
On 07/16/2013 06:21:51 PM, Alexander Graf wrote:
On 16.07.2013, at 00:23, Scott Wood wrote:
Still, I'm not sure what sort of error you're thinking of. If the
guest didn't support the hcall mechanism we would have returned from
the function by that point. In fact, seeing kvm,has-reset
On 07/16/2013 06:26:40 PM, Scott Wood wrote:
On 07/16/2013 06:21:51 PM, Alexander Graf wrote:
On 16.07.2013, at 00:23, Scott Wood wrote:
Still, I'm not sure what sort of error you're thinking of. If the
guest didn't support the hcall mechanism we would have returned from
the function
On 07/16/2013 04:51:12 PM, Yoder Stuart-B08248 wrote:
3. VFIO_DEVICE_GET_REGION_INFO
No changes needed, except perhaps adding a new flag. Freescale
has some
devices with regions that must be mapped cacheable.
While I don't object to making the information available to the
On 07/16/2013 05:41:04 PM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Tuesday, July 16, 2013 5:01 PM
To: Yoder Stuart-B08248
Cc: Wood Scott-B07421; Alex Williamson; Alexander Graf; Bhushan
Bharat-R65777; Sethi Varun-B16395;
On 07/16/2013 01:35:55 AM, Gleb Natapov wrote:
On Mon, Jul 15, 2013 at 01:17:33PM -0500, Scott Wood wrote:
On 07/15/2013 06:30:20 AM, Gleb Natapov wrote:
There is no much sense to share hypercalls between architectures.
There
is zero probability x86 will implement those for instance
On 07/16/2013 06:21:51 PM, Alexander Graf wrote:
On 16.07.2013, at 00:23, Scott Wood wrote:
Still, I'm not sure what sort of error you're thinking of. If the
guest didn't support the hcall mechanism we would have returned from
the function by that point. In fact, seeing kvm,has-reset
On 07/16/2013 06:26:40 PM, Scott Wood wrote:
On 07/16/2013 06:21:51 PM, Alexander Graf wrote:
On 16.07.2013, at 00:23, Scott Wood wrote:
Still, I'm not sure what sort of error you're thinking of. If the
guest didn't support the hcall mechanism we would have returned from
the function
On 07/15/2013 06:11:16 AM, Bharat Bhushan wrote:
Exit to guest user space if kvm does not implement the hcall.
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
arch/powerpc/kvm/booke.c | 47
+--
arch/powerpc/kvm/powerpc.c |1 +
On 07/15/2013 06:30:20 AM, Gleb Natapov wrote:
On Mon, Jul 15, 2013 at 04:41:17PM +0530, Bharat Bhushan wrote:
KVM_HC_VM_RESET: Requests that the virtual machine be reset.
KVM_HC_VM_SHUTDOWN: Requests that the virtual machine be
powered-off/halted.
These hcalls are handled by guest
On 07/15/2013 10:16:41 AM, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Monday, July 15, 2013 8:40 PM
To: Bhushan Bharat-R65777
Cc: kvm@vger.kernel.org; kvm-...@vger.kernel.org; Wood
Scott-B07421; Yoder
Stuart-B08248
On 07/15/2013 03:28:46 PM, Alexander Graf wrote:
On 15.07.2013, at 20:21, Scott Wood wrote:
On 07/15/2013 10:16:41 AM, Bhushan Bharat-R65777 wrote:
+ printk(error: system reset returned with error %ld\n,
ret);
So we should fall back to the normal reset handler here.
Do you
On 07/15/2013 03:55:08 PM, Alexander Graf wrote:
On 15.07.2013, at 22:52, Scott Wood wrote:
On 07/15/2013 03:28:46 PM, Alexander Graf wrote:
On 15.07.2013, at 20:21, Scott Wood wrote:
On 07/15/2013 10:16:41 AM, Bhushan Bharat-R65777 wrote:
+ printk(error: system reset returned
On 07/15/2013 06:11:16 AM, Bharat Bhushan wrote:
Exit to guest user space if kvm does not implement the hcall.
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
arch/powerpc/kvm/booke.c | 47
+--
arch/powerpc/kvm/powerpc.c |1 +
On 07/15/2013 06:30:20 AM, Gleb Natapov wrote:
On Mon, Jul 15, 2013 at 04:41:17PM +0530, Bharat Bhushan wrote:
KVM_HC_VM_RESET: Requests that the virtual machine be reset.
KVM_HC_VM_SHUTDOWN: Requests that the virtual machine be
powered-off/halted.
These hcalls are handled by guest
On 07/10/2013 05:23:36 AM, Alexander Graf wrote:
On 10.07.2013, at 00:26, Scott Wood wrote:
On 07/09/2013 05:00:26 PM, Alexander Graf wrote:
It'll also be more flexible at the same time. You could take the
logs and actually check what's going on to debug issues that you're
encountering
On 07/10/2013 05:18:10 AM, Alexander Graf wrote:
On 10.07.2013, at 02:12, Scott Wood wrote:
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
On 07/10/2013 05:15:09 AM, Alexander Graf wrote:
On 10.07.2013, at 02:06, Scott Wood wrote:
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
On 07/10/2013 01:02:19 AM, Tiejun Chen wrote:
We should ensure the preemption cannot occur while calling get_paca()
insdide hard_irq_disable(), otherwise the paca_struct may be the
wrong one just after. And btw, we may update timing stats in this
case.
The soft-ee mechanism depends on
These are the remaining patches from the set of 8 that was
originally posted for 3.10, but which weren't deemed urgent enough
for that.
Scott Wood (3):
kvm/ppc: Call trace_hardirqs_on before entry
kvm/ppc: IRQ disabling cleanup
kvm/ppc/booke: Don't call kvm_guest_enter twice
arch/powerpc
kvm_guest_enter() was already called by kvmppc_prepare_to_enter().
Don't call it again.
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/kvm/booke.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index aa3bc36..57c1462
() to kvm_fix_ee_before_entry() to reflect
that this function now has a role on 32-bit as well.
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/include/asm/kvm_ppc.h | 11 ---
arch/powerpc/kvm/book3s_pr.c | 4 ++--
arch/powerpc/kvm/booke.c | 4 ++--
arch/powerpc/kvm
caller do it. Also
move the IRQ enabling on heavyweight exit into
kvmppc_prepare_to_enter().
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/include/asm/kvm_ppc.h | 6 ++
arch/powerpc/kvm/book3s_pr.c | 12 +++-
arch/powerpc/kvm/booke.c | 11
On 07/10/2013 06:04:53 PM, Alexander Graf wrote:
On 11.07.2013, at 01:01, Benjamin Herrenschmidt wrote:
On Thu, 2013-07-11 at 00:57 +0200, Alexander Graf wrote:
#ifdef CONFIG_PPC64
+ /*
+ * To avoid races, the caller must have gone directly from
having
+ * interrupts
On 07/10/2013 05:50:01 PM, Alexander Graf wrote:
On 10.07.2013, at 20:42, Scott Wood wrote:
On 07/10/2013 05:15:09 AM, Alexander Graf wrote:
On 10.07.2013, at 02:06, Scott Wood wrote:
On 07/09/2013 04:44:24 PM, Alexander Graf wrote:
On 09.07.2013, at 20:46, Scott Wood wrote:
I suspect
On 07/10/2013 05:23:36 AM, Alexander Graf wrote:
On 10.07.2013, at 00:26, Scott Wood wrote:
On 07/09/2013 05:00:26 PM, Alexander Graf wrote:
It'll also be more flexible at the same time. You could take the
logs and actually check what's going on to debug issues that you're
encountering
On 07/10/2013 05:18:10 AM, Alexander Graf wrote:
On 10.07.2013, at 02:12, Scott Wood wrote:
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
On 07/10/2013 05:15:09 AM, Alexander Graf wrote:
On 10.07.2013, at 02:06, Scott Wood wrote:
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
On 07/10/2013 01:02:19 AM, Tiejun Chen wrote:
We should ensure the preemption cannot occur while calling get_paca()
insdide hard_irq_disable(), otherwise the paca_struct may be the
wrong one just after. And btw, we may update timing stats in this
case.
The soft-ee mechanism depends on
kvm_guest_enter() was already called by kvmppc_prepare_to_enter().
Don't call it again.
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/kvm/booke.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index aa3bc36..57c1462
caller do it. Also
move the IRQ enabling on heavyweight exit into
kvmppc_prepare_to_enter().
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/include/asm/kvm_ppc.h | 6 ++
arch/powerpc/kvm/book3s_pr.c | 12 +++-
arch/powerpc/kvm/booke.c | 11
() to kvm_fix_ee_before_entry() to reflect
that this function now has a role on 32-bit as well.
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/include/asm/kvm_ppc.h | 11 ---
arch/powerpc/kvm/book3s_pr.c | 4 ++--
arch/powerpc/kvm/booke.c | 4 ++--
arch/powerpc/kvm
On 07/10/2013 06:04:53 PM, Alexander Graf wrote:
On 11.07.2013, at 01:01, Benjamin Herrenschmidt wrote:
On Thu, 2013-07-11 at 00:57 +0200, Alexander Graf wrote:
#ifdef CONFIG_PPC64
+ /*
+ * To avoid races, the caller must have gone directly from
having
+ * interrupts
On 07/10/2013 05:50:01 PM, Alexander Graf wrote:
On 10.07.2013, at 20:42, Scott Wood wrote:
On 07/10/2013 05:15:09 AM, Alexander Graf wrote:
On 10.07.2013, at 02:06, Scott Wood wrote:
On 07/09/2013 04:44:24 PM, Alexander Graf wrote:
On 09.07.2013, at 20:46, Scott Wood wrote:
I suspect
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 07/09/2013 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
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 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 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
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 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 07/09/2013 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
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 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 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
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 07/03/2013 10:11:50 AM, Alexander Graf wrote:
On 03.07.2013, at 15:55, Caraman Mihai Claudiu-B02008 wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Wednesday, July 03, 2013 4:45 PM
To: Caraman Mihai Claudiu-B02008
Cc: kvm-...@vger.kernel.org;
On 07/03/2013 11:59:45 AM, Alexander Graf wrote:
On 03.07.2013, at 17:41, Caraman Mihai Claudiu-B02008 wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just
before
returning to guest instead of each sched in. Without this
improvement
an interrupt may also claim floting
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this improvement
an interrupt may also claim floting point corrupting guest state.
Signed-off-by: Mihai Caraman
On 07/03/2013 12:23:16 PM, Alexander Graf wrote:
On 03.07.2013, at 19:18, Scott Wood wrote:
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this
improvement
On 07/03/2013 10:13:57 AM, Alexander Graf wrote:
On 03.07.2013, at 15:53, Caraman Mihai Claudiu-B02008 wrote:
-#ifdef CONFIG_SPE
case BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL: {
- if (vcpu-arch.shared-msr MSR_SPE)
- kvmppc_vcpu_enable_spe(vcpu);
- else
On 07/03/2013 07:11:52 AM, Caraman Mihai Claudiu-B02008 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Wednesday, June 05, 2013 1:40 AM
To: Caraman Mihai Claudiu-B02008
Cc: kvm-...@vger.kernel.org; kvm@vger.kernel.org; linuxppc-
d...@lists.ozlabs.org; Caraman Mihai
On 07/03/2013 12:07:30 PM, Alexander Graf wrote:
On 03.07.2013, at 18:49, Caraman Mihai Claudiu-B02008 wrote:
Do we need to do this even when the guest doesn't use Altivec?
Can't
we
just load it on demand then once we fault? This code path really
should
only be a prefetch enable when
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this improvement
an interrupt may also claim floting point corrupting guest state.
Signed-off-by: Mihai Caraman
On 07/03/2013 07:42:37 AM, Mihai Caraman wrote:
Add KVM Book3E AltiVec support. KVM Book3E FPU support gracefully
reuse host
infrastructure so follow the same approach for AltiVec.
Signed-off-by: Mihai Caraman mihai.cara...@freescale.com
---
arch/powerpc/kvm/booke.c | 72
On 07/03/2013 01:42:12 PM, Alexander Graf wrote:
On 03.07.2013, at 20:28, Scott Wood wrote:
On 07/03/2013 10:13:57 AM, Alexander Graf wrote:
There is no chip that supports SPE and HV at the same time. So
we'll never hit this anyway, since kvmppc_supports_spe() always
returns false on HV
On 07/02/2013 08:07:53 PM, Alexander Graf wrote:
On 03.07.2013, at 01:25, Yoder Stuart-B08248 wrote:
8. Open Issues
-how to handle cases where VFIO is requested to handle
a device where the valid, mappable range for a region
is less than a page size. See example above where an
On 07/03/2013 02:32:07 PM, Alexander Graf wrote:
On 03.07.2013, at 21:29, Yoder Stuart-B08248 wrote:
Version 4 changes
-clarified that KVM zeros the upper half of the struct fields
if the VM is not in 64-bit mode
On 07/03/2013 11:56:06 AM, Mihai Caraman wrote:
With LRAT (Logical to Real Address Translation) error exception
handler in kernel
KVM needs to add the counterpart otherwise will break the build.
Signed-off-by: Mihai Caraman mihai.cara...@freescale.com
---
On 07/03/2013 11:56:05 AM, Mihai Caraman wrote:
@@ -1410,6 +1423,7 @@ _GLOBAL(setup_doorbell_ivors)
_GLOBAL(setup_ehv_ivors)
SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
+ SET_IVOR(42, 0x340) /* LRAT
On 07/03/2013 04:42:40 PM, Alexander Graf wrote:
On 03.07.2013, at 22:16, Scott Wood wrote:
On 07/03/2013 11:56:06 AM, Mihai Caraman wrote:
With LRAT (Logical to Real Address Translation) error exception
handler in kernel
KVM needs to add the counterpart otherwise will break the build
On 07/02/2013 06:25:59 PM, Yoder Stuart-B08248 wrote:
The write-up below is the first draft of a proposal for how the
kernel can expose
platform devices to user space using vfio.
In short, I'm proposing a new ioctl VFIO_DEVICE_GET_DEVTREE_INFO which
allows user space to correlate regions and
On 07/03/2013 05:53:09 PM, Alex Williamson wrote:
Seems like it should work. My only API concern with this model of
appending structs is that a user needs to know the size of each struct
even if they don't otherwise care about it in order to step over it.
In that case, it might be better to
On 07/03/2013 11:59:45 AM, Alexander Graf wrote:
On 03.07.2013, at 17:41, Caraman Mihai Claudiu-B02008 wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just
before
returning to guest instead of each sched in. Without this
improvement
an interrupt may also claim floting
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this improvement
an interrupt may also claim floting point corrupting guest state.
Signed-off-by: Mihai Caraman
On 07/03/2013 12:23:16 PM, Alexander Graf wrote:
On 03.07.2013, at 19:18, Scott Wood wrote:
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this
improvement
On 07/03/2013 10:13:57 AM, Alexander Graf wrote:
On 03.07.2013, at 15:53, Caraman Mihai Claudiu-B02008 wrote:
-#ifdef CONFIG_SPE
case BOOKE_INTERRUPT_SPE_ALTIVEC_UNAVAIL: {
- if (vcpu-arch.shared-msr MSR_SPE)
- kvmppc_vcpu_enable_spe(vcpu);
- else
On 07/03/2013 07:11:52 AM, Caraman Mihai Claudiu-B02008 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Wednesday, June 05, 2013 1:40 AM
To: Caraman Mihai Claudiu-B02008
Cc: kvm-ppc@vger.kernel.org; k...@vger.kernel.org; linuxppc-
d...@lists.ozlabs.org; Caraman Mihai
On 07/03/2013 07:42:36 AM, Mihai Caraman wrote:
Increase FPU laziness by calling kvmppc_load_guest_fp() just before
returning to guest instead of each sched in. Without this improvement
an interrupt may also claim floting point corrupting guest state.
Signed-off-by: Mihai Caraman
On 07/03/2013 07:42:37 AM, Mihai Caraman wrote:
Add KVM Book3E AltiVec support. KVM Book3E FPU support gracefully
reuse host
infrastructure so follow the same approach for AltiVec.
Signed-off-by: Mihai Caraman mihai.cara...@freescale.com
---
arch/powerpc/kvm/booke.c | 72
On 07/02/2013 08:07:53 PM, Alexander Graf wrote:
On 03.07.2013, at 01:25, Yoder Stuart-B08248 wrote:
8. Open Issues
-how to handle cases where VFIO is requested to handle
a device where the valid, mappable range for a region
is less than a page size. See example above where an
On 07/03/2013 02:32:07 PM, Alexander Graf wrote:
On 03.07.2013, at 21:29, Yoder Stuart-B08248 wrote:
Version 4 changes
-clarified that KVM zeros the upper half of the struct fields
if the VM is not in 64-bit mode
On 07/03/2013 11:56:06 AM, Mihai Caraman wrote:
With LRAT (Logical to Real Address Translation) error exception
handler in kernel
KVM needs to add the counterpart otherwise will break the build.
Signed-off-by: Mihai Caraman mihai.cara...@freescale.com
---
On 07/03/2013 11:56:05 AM, Mihai Caraman wrote:
@@ -1410,6 +1423,7 @@ _GLOBAL(setup_doorbell_ivors)
_GLOBAL(setup_ehv_ivors)
SET_IVOR(40, 0x300) /* Embedded Hypervisor System Call */
SET_IVOR(41, 0x320) /* Embedded Hypervisor Privilege */
+ SET_IVOR(42, 0x340) /* LRAT
On 07/02/2013 06:25:59 PM, Yoder Stuart-B08248 wrote:
The write-up below is the first draft of a proposal for how the
kernel can expose
platform devices to user space using vfio.
In short, I'm proposing a new ioctl VFIO_DEVICE_GET_DEVTREE_INFO which
allows user space to correlate regions and
On 07/03/2013 05:53:09 PM, Alex Williamson wrote:
Seems like it should work. My only API concern with this model of
appending structs is that a user needs to know the size of each struct
even if they don't otherwise care about it in order to step over it.
In that case, it might be better to
On 07/02/2013 10:33:58 AM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Tuesday, July 02, 2013 10:23 AM
To: Yoder Stuart-B08248
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; kvm@vger.kernel.org
list; kvm-...@vger.kernel.org
On 07/02/2013 05:08:02 PM, Yoder Stuart-B08248 wrote:
KVM_EXIT_EPAPR_HCALL exit definition
/* KVM_EXIT_EPAPR_HCALL */
struct {
__u64 nr;
__u64
On 07/02/2013 10:33:58 AM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Tuesday, July 02, 2013 10:23 AM
To: Yoder Stuart-B08248
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; k...@vger.kernel.org
list; kvm-ppc@vger.kernel.org
On 07/02/2013 05:08:02 PM, Yoder Stuart-B08248 wrote:
KVM_EXIT_EPAPR_HCALL exit definition
/* KVM_EXIT_EPAPR_HCALL */
struct {
__u64 nr;
__u64
On 07/01/2013 10:56:54 AM, Yoder Stuart-B08248 wrote:
For the e500 PV platform we need a VM reset mechanisms.
Hypercall: KVM_HC_VM_RESET
Description: Requests that the virtual machine be reset. The
hcall takes no arguments. If successful the hcall does
not
On 07/01/2013 12:28:34 PM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Wood Scott-B07421
Sent: Monday, July 01, 2013 11:49 AM
To: Yoder Stuart-B08248
Cc: Alexander Graf; Wood Scott-B07421; Bhushan Bharat-R65777;
kvm@vger.kernel.org
Subject: Re: RFC: proposal for VM
On 07/01/2013 06:05:55 PM, Yoder Stuart-B08248 wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Monday, July 01, 2013 6:01 PM
To: Yoder Stuart-B08248
Cc: Bhushan Bharat-R65777; Wood Scott-B07421; kvm@vger.kernel.org
list; kvm-...@vger.kernel.org
On 07/01/2013 07:18:21 PM, Alexander Graf wrote:
On 01.07.2013, at 17:35, Mihai Caraman wrote:
On Book3E some SPE/FP/AltiVec interrupts share the same number. Use
common defines to indentify these numbers.
So why didn't this happen from the beginning?
Ask Kumar.
Why the change?
So we
On 07/01/2013 07:18:21 PM, Alexander Graf wrote:
On 01.07.2013, at 17:35, Mihai Caraman wrote:
On Book3E some SPE/FP/AltiVec interrupts share the same number. Use
common defines to indentify these numbers.
So why didn't this happen from the beginning?
Ask Kumar.
Why the change?
So we
On 06/27/2013 12:02:36 AM, Alexey Kardashevskiy wrote:
+/*
+ * The KVM guest can be backed with 16MB pages.
+ * In this case, we cannot do page counting from the real mode
+ * as the compound pages are used - they are linked in a list
+ * with pointers as virtual addresses which are inaccessible
On 06/27/2013 12:02:36 AM, Alexey Kardashevskiy wrote:
+/*
+ * The KVM guest can be backed with 16MB pages.
+ * In this case, we cannot do page counting from the real mode
+ * as the compound pages are used - they are linked in a list
+ * with pointers as virtual addresses which are inaccessible
-by: Scott Wood scottw...@freescale.com
---
Rebased without patches 5 and 6 in the previous patchset.
arch/powerpc/kvm/booke.c |3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 5cd7ad0..1a1b511 100644
--- a/arch/powerpc
-by: Scott Wood scottw...@freescale.com
---
Rebased without patches 5 and 6 in the previous patchset.
arch/powerpc/kvm/booke.c |3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 5cd7ad0..1a1b511 100644
--- a/arch/powerpc
On 06/09/2013 03:09:21 AM, Gleb Natapov wrote:
On Thu, Jun 06, 2013 at 07:16:28PM -0500, 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
On 06/09/2013 03:09:21 AM, Gleb Natapov wrote:
On Thu, Jun 06, 2013 at 07:16:28PM -0500, 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
On 06/06/2013 04:42:44 AM, Caraman Mihai Claudiu-B02008 wrote:
This looks like a bit much for 3.10 (certainly, subject lines
like
refactor and enhance and add support aren't going to make
Linus
happy given that we're past rc4) so I think we should apply
caller do it. Also
move the IRQ enabling on heavyweight exit into
kvmppc_prepare_to_enter().
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/include/asm/kvm_ppc.h |6 ++
arch/powerpc/kvm/book3s_pr.c | 12 +++-
arch/powerpc/kvm/booke.c | 11
KVM core expects arch code to acquire the srcu lock when calling
gfn_to_memslot and similar functions.
Signed-off-by: Scott Wood scottw...@freescale.com
---
arch/powerpc/kvm/44x_tlb.c |5 +
arch/powerpc/kvm/booke.c|7 +++
arch/powerpc/kvm/e500_mmu.c |5 +
3 files
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