On Tue, 2018-01-09 at 15:48 +1100, Paul Mackerras wrote:
> This adds three new capabilities that give userspace information
> about
> the underlying machine's level of vulnerability to the Meltdown and
> Spectre attacks, and what instructions the hardware implements to
> assist software to work aro
s as a speculation barrier.
>
> KVM_CAP_PPC_SAFE_INDIRECT_BRANCH reports the vulnerability of the
> machine to attacks based on poisoning the indirect branch predictor.
> No workaround that requires software changes is provided; the current
> hardware fix is to prevent speculation p
On Tue, 2018-01-09 at 23:44 +1100, Alexey Kardashevskiy wrote:
> On 09/01/18 19:39, Suraj Jitindar Singh wrote:
> > On Tue, 2018-01-09 at 15:48 +1100, Paul Mackerras wrote:
> > > This adds three new capabilities that give userspace information
> > > about
> > &g
Jitindar Singh (6):
kvm: export kvm module parameter variables
powerpc/kvm: Use generic kvm module parameters in kvm-hv
powerpc/kvm: Add check for module parameter halt_poll_ns
powerpc/kvm: Decrease the powerpc default halt poll max value
powerpc/kvm: Comment style and print format fixups
doc
: Suraj Jitindar Singh
---
include/linux/kvm_host.h | 4
virt/kvm/kvm_main.c | 9 ++---
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 01c0b9c..29b500a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux
module parameters which was redundant and should reduce confusion when
tuning them.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s_hv.c | 29 ++---
1 file changed, 6 insertions(+), 23 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm
de so that we always check for a new module param
value of halt_poll_ns and set the current halt polling interval to it if
it's currently greater than the new max. This means that it's redundant to
also perform this check in the grow_halt_poll_ns() function now.
Signed-off-by: Suraj
affinity for halt polling based on the trade off between power
and performance which they are willing to make.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_host.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/kvm_host.h
b/arch
Fix comment block to match kernel comment style.
Fix print format from signed to unsigned.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s_hv.c | 3 ++-
arch/powerpc/kvm/trace_hv.h | 2 +-
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kvm
: Suraj Jitindar Singh
---
Documentation/virtual/kvm/00-INDEX | 2 +
Documentation/virtual/kvm/halt-polling.txt | 127 +
2 files changed, 129 insertions(+)
create mode 100644 Documentation/virtual/kvm/halt-polling.txt
diff --git a/Documentation/virtual/kvm/00
On Fri, 2016-10-14 at 09:16 +0800, Wanpeng Li wrote:
> 2016-10-14 8:53 GMT+08:00 Suraj Jitindar Singh com>:
> >
> > There is currently no documentation about the halt polling
> > capabilities
> > of the kvm module. Add some documentation describing the mechanism
Version v3.00 of the ISA added a new compat level to the processor
compatibility register (PCR), an ISA v2.07 compatibility mode.
Upstream QEMU already supports this so it may as well go into the kernel
now.
Suraj Jitindar Singh (2):
powerpc: Define new ISA v3.00 logical PVR value and PCR
ISA 3.00 adds the logical PVR value 0x0f05, so add a definition for
this.
Define PCR_ARCH_207 to reflect ISA 2.07 compatibility mode in the processor
compatibility register (PCR).
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/reg.h | 2 ++
1 file changed, 2 insertions
actually aware of.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s_hv.c | 30 ++
1 file changed, 22 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 3686471..f9ae3fb 100644
--- a/arch/powerpc
nge
Suraj Jitindar Singh (2):
powerpc: Define new ISA v3.00 logical PVR value and PCR register value
powerpc/kvm: Update kvmppc_set_arch_compat() for ISA v3.00
arch/powerpc/include/asm/reg.h | 2 ++
arch/powerpc/kvm/book3s_hv.c | 32 +++-
2 files changed,
ISA 3.00 adds the logical PVR value 0x0f05, so add a definition for
this.
Define PCR_ARCH_207 to reflect ISA 2.07 compatibility mode in the processor
compatibility register (PCR).
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/reg.h | 2 ++
1 file changed, 2 insertions
the PCR.
We also add a check to ensure the processor we are running on is capable of
emulating the chosen processor (for example a POWER7 cannot emulate a
POWER8, similarly with a POWER8 and a POWER9).
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s_hv.c | 32
On Mon, 2016-10-31 at 16:44 +1100, Paul Mackerras wrote:
> On Mon, Oct 31, 2016 at 11:28:23AM +1100, Suraj Jitindar Singh wrote:
> >
> > The function kvmppc_set_arch_compat() is used to determine the
> > value of the
> > processor compatibility register (PCR) for a g
nge
V2 -> V3:
- Reworked logic again, no functional change
Suraj Jitindar Singh (2):
powerpc: Define new ISA v3.00 logical PVR value and PCR register value
powerpc/kvm: Update kvmppc_set_arch_compat() for ISA v3.00
arch/powerpc/include/asm/reg.h | 3 +++
arch/powerpc/kvm/book3s_hv.c
determining the
PCR value.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/reg.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 9cd4e8c..3fb6192 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc
the PCR.
We also add a check to ensure the processor we are running on is capable of
emulating the chosen processor (for example a POWER7 cannot emulate a
POWER8, similarly with a POWER8 and a POWER9).
Based on work by: Paul Mackerras
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm
On Tue, 2016-11-08 at 19:21 +1100, Michael Ellerman wrote:
> Suraj Jitindar Singh writes:
>
> >
> > ISA 3.00 adds the logical PVR value 0x0f05, so add a definition
> > for
> > this.
> >
> > Define PCR_ARCH_207 to reflect ISA 2.07 compatibility m
than 24
and 23.
Fixes: 2bfd65e45e877fb5704730244da67c748d28a1b8
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/mm/pgtable-radix.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c
index ed7bddc..80f3479
On Thu, 2016-11-10 at 21:36 +1100, Michael Ellerman wrote:
> Suraj Jitindar Singh writes:
>
> >
> > On Tue, 2016-11-08 at 19:21 +1100, Michael Ellerman wrote:
> > >
> > > Suraj Jitindar Singh writes:
> > >
> > > >
> > > &
nge
V2 -> V3:
- Reworked logic again, no functional change
V3 -> V4:
- Added a comment in the first patch to clarify why a 'dummy' PCR v3.00
value is needed
Suraj Jitindar Singh (2):
powerpc: Define new ISA v3.00 logical PVR value and PCR register value
powerpc/kvm: Update kvm
moment) we need a
PCR_ARCH_300 bit to represent this, however currently there is no such bit
defined by the ISA. Thus we define a 'dummy' v3.00 compat bit to be used.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/reg.h | 11 +++
1 file changed, 11 insertion
the PCR.
We also add a check to ensure the processor we are running on is capable of
emulating the chosen processor (for example a POWER7 cannot emulate a
POWER8, similarly with a POWER8 and a POWER9).
Based on work by: Paul Mackerras
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm
On 05/05/16 16:50, Michael Ellerman wrote:
> On Tue, 2016-05-03 at 15:32 -0700, Tyrel Datwyler wrote: >> On 04/27/2016
> 10:34 PM, Suraj Jitindar Singh wrote: >>> diff --git
> a/arch/powerpc/platforms/pseries/mobility.c
> b/arch/powerpc/platforms/pseries/mobility.c
On 05/05/16 16:50, Michael Ellerman wrote:
> On Tue, 2016-05-03 at 15:32 -0700, Tyrel Datwyler wrote:
>> On 04/27/2016 10:34 PM, Suraj Jitindar Singh wrote:
>>> diff --git a/arch/powerpc/platforms/pseries/mobility.c
>>> b/arch/powerpc/platforms/pseries/mobility.c
On 03/05/16 15:00, Michael Ellerman wrote:
> On Thu, 2016-28-04 at 06:17:45 UTC, Suraj Jitindar Singh wrote:
>> When unregistering a crash_shutdown_handle in the function
>> crash_shutdown_unregister() the other handles are shifted down in the
>> array to replace the unregis
ement explicit array
bounds checking when accessing the elements of the
crash_shutdown_handles[] array in crash_shutdown_unregister() and
default_machine_crash_shutdown().
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kernel/crash.c | 13 +
1 file changed, 9 insertions(+), 4 dele
.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_host.h | 3 +-
arch/powerpc/kvm/book3s_hv.c| 68 +++--
2 files changed, 43 insertions(+), 28 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_host.h
b/arch/powerpc/include/asm
Bonzini, and on direction from Paul Mackerras.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_host.h | 2 +
arch/powerpc/kvm/book3s_hv.c| 115 +++-
arch/powerpc/kvm/trace_hv.h | 22 +++
3 files changed, 125 insertions
for the display of 64-bit vcpu statistics.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s.c | 1 +
include/linux/kvm_host.h | 1 +
virt/kvm/kvm_main.c | 60 +++
3 files changed, 58 insertions(+), 4 deletions(-)
diff --git a
e kvm
module parameters based on the calculated average wait and poll times.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_host.h | 3 +++
arch/powerpc/kvm/book3s.c | 3 +++
arch/powerpc/kvm/book3s_hv.c| 14 +-
3 files changed, 19 insertions(
On Thu, 16 Jun 2016 20:22:39 +1000 (AEST)
Michael Ellerman wrote:
> On Thu, 2016-28-04 at 07:02:38 UTC, Suraj Jitindar Singh wrote:
> > Implement new character device driver to allow access from user
> > space to the 2x16 character operator panel display present on IBM
> > P
Add a binding to Documentation/devicetree/bindings/powerpc/opal
(oppanel-opal.txt) for the operator panel which is present on IBM
Power Systems machines with FSPs.
Signed-off-by: Suraj Jitindar Singh
Acked-by: Rob Herring
Acked-by: Stewart Smith
---
Change Log:
V1 -> V2:
- Noth
om an opal_msg and update call
sites accordingly.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
-> V4:
- Added Patch to Series
---
arch/powerpc/include/asm/opal-api.h| 4
arch/powerpc/platforms/powernv/opal-sensor.c | 2 +-
arch/powerpc/platforms/powernv/opal-sy
accessed
by a single process at a time.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: Andrew Donnellan
---
Change Log:
V1 -> V2:
- Replace "IBM pSeries machines" with "IBM Power Systems machines
with FSPs" for improved clarity
- Basic wording
On Tue, 28 Jun 2016 21:58:28 +1000 (AEST)
Michael Ellerman wrote:
> On Tue, 2016-28-06 at 04:40:56 UTC, Suraj Jitindar Singh wrote:
> > An opal_msg of type OPAL_MSG_ASYNC_COMP contains the return code in
> > the params[1] struct member. However this isn't intuitive or
>
Add a binding to Documentation/devicetree/bindings/powerpc/opal
(oppanel-opal.txt) for the operator panel which is present on IBM
Power Systems machines with FSPs.
Signed-off-by: Suraj Jitindar Singh
Acked-by: Rob Herring
Acked-by: Stewart Smith
---
Change Log:
V1 -> V2:
- Noth
code from an opal_msg and update
call sites accordingly.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
-> V4:
- Added Patch to Series
V4 -> V5:
- Changed from #define in opal-api.h to inline in opal.h
---
arch/powerpc/include/asm/opal.h| 8
a
accessed
by a single process at a time.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: Andrew Donnellan
---
Change Log:
V1 -> V2:
- Replace "IBM pSeries machines" with "IBM Power Systems machines
with FSPs" for improved clarity
- Basic wording
On 24/06/16 19:59, Paul Mackerras wrote:
> On Wed, Jun 15, 2016 at 07:21:05PM +1000, Suraj Jitindar Singh wrote:
>> The struct kvmppc_vcore is a structure used to store various information
>> about a virtual core for a kvm guest. The runnable_threads element of the
>> struct p
hecking
the first condition before exiting on the second condition.
To avoid the out of bounds access, simply reorder the loop conditions.
Fixes Coverity bug #128232
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kernel/crash.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -
On 29/06/16 22:51, Paolo Bonzini wrote:
>
> On 29/06/2016 06:44, Suraj Jitindar Singh wrote:
>> Thanks for catching that, yeah I see.
>>
>> I don't think we can trivially move the struct kvmppc_vcore definition into
>> kvm_book3s.h as other code in kvm_host.h (
s due to MAX_SMT_THREADS not being defined.
Move the struct kvmppc_vcore definition to kvm_book3s.h which explicitly
includes kvm_book3s_asm.h.
---
Change Log:
V1 -> V2:
- Added patch to series
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3
.
---
Change Log:
V1 -> V2:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/book3s_hv.c | 68 +--
3 files changed, 43 inserti
Bonzini, and on direction from Paul Mackerras.
---
Change Log:
V1 -> V2:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 1 +
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc/kvm/book3s_hv.c |
for the display of 64-bit vcpu statistics.
---
Change Log:
V1 -> V2:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/kvm/book3s.c | 1 +
include/linux/kvm_host.h | 1 +
virt/kvm/kvm_main.c | 60 +++
3 files changed,
e kvm
module parameters based on the calculated average wait and poll times.
---
Change Log:
V1 -> V2:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_host.h | 3 +++
arch/powerpc/kvm/book3s.c | 3 +++
arch/powerpc/kvm/book3s_hv.c
On 12/07/16 05:45, David Matlack wrote:
> On Mon, Jul 11, 2016 at 12:31 PM, Paolo Bonzini wrote:
>>
>> On 11/07/2016 19:30, David Matlack wrote:
>>> On Mon, Jul 11, 2016 at 10:05 AM, Paolo Bonzini wrote:
On 11/07/2016 18:51, David Matlack wrote:
>>> vcpus have statistics associate
On 12/07/16 03:26, David Matlack wrote:
> On Mon, Jul 11, 2016 at 10:07 AM, Paolo Bonzini wrote:
>>
>> On 11/07/2016 18:57, David Matlack wrote:
>>> On Mon, Jul 11, 2016 at 12:08 AM, Suraj Jitindar Singh
>>> wrote:
>>>> This patch introduces n
On 12/07/16 02:49, David Matlack wrote:
> On Mon, Jul 11, 2016 at 12:08 AM, Suraj Jitindar Singh
> wrote:
>> vcpu stats are used to collect information about a vcpu which can be viewed
>> in the debugfs. For example halt_attempted_poll and halt_successful_poll
>> are u
On 12/07/16 16:17, Suraj Jitindar Singh wrote:
> On 12/07/16 02:49, David Matlack wrote:
>> On Mon, Jul 11, 2016 at 12:08 AM, Suraj Jitindar Singh
>> wrote:
>>> vcpu stats are used to collect information about a vcpu which can be viewed
>>> in the debugfs. Fo
s due to MAX_SMT_THREADS not being defined.
Move the struct kvmppc_vcore definition to kvm_book3s.h which explicitly
includes kvm_book3s_asm.h.
---
Change Log:
V1 -> V2:
- Added patch to series
V2 -> V3:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/
.
---
Change Log:
V1 -> V3:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/book3s_hv.c | 68 +--
3 files changed, 43 inserti
Bonzini, and on direction from Paul Mackerras.
---
Change Log:
V1 -> V3:
- Nothing
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 1 +
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc/kvm/book3s_hv.c |
ns and modify them to expect u64s. Thus update all
vm and vcpu statistics to u64s accordingly.
Signed-off-by: Suraj Jitindar Singh
---
arch/arm/include/asm/kvm_host.h | 12 ++--
arch/arm64/include/asm/kvm_host.h | 12 ++--
arch/mips/include/asm/kvm_host.h| 46 ++---
hange Log:
V1 -> V2:
- Nothing
V2 -> V3:
- Rename vcpu stats to express with greater clarity what
they represent:
halt_poll_time -> halt_block_time_successful_poll
halt_wait_time -> halt_block_time_waited
Signed-off-by: Sur
On 13/07/16 19:04, Christian Borntraeger wrote:
> On 07/13/2016 10:53 AM, Suraj Jitindar Singh wrote:
>> vms and vcpus have statistics associated with them which can be viewed
>> within the debugfs. Currently it is assumed within the vcpu_stat_get() and
>> vm_stat_get()
On 14/07/16 19:42, Paolo Bonzini wrote:
>
> On 13/07/2016 20:00, Christian Borntraeger wrote:
>> I thought u64 still existed on 32-bit architectures. unsigned long
>> would be fine but with the caveat that certain stats would overflow on
>> 32-bit architectures.
Yes, but not all
On 14/07/16 03:20, David Matlack wrote:
> On Tue, Jul 12, 2016 at 11:07 PM, Suraj Jitindar Singh
> wrote:
>> On 12/07/16 16:17, Suraj Jitindar Singh wrote:
>>> On 12/07/16 02:49, David Matlack wrote:
> [snip]
>>>> It's possible to poll and wa
On 18/07/16 18:24, Paolo Bonzini wrote:
>
> On 18/07/2016 09:17, Christian Borntraeger wrote:
>> On 07/15/2016 09:52 AM, Suraj Jitindar Singh wrote:
>>>
>>> On 14/07/16 19:42, Paolo Bonzini wrote:
>>>> On 13/07/2016 20:00, Christian Borntraeger wrote:
&
s due to MAX_SMT_THREADS not being defined.
Move the struct kvmppc_vcore definition to kvm_book3s.h which explicitly
includes kvm_book3s_asm.h.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V1 -> V2:
- Added patch to series
---
arch/powerpc/include/asm/kvm_book3
.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/book3s_hv.c | 68 +--
3 files changed, 43 insertions(+), 28 deletions(-)
diff --git a/arch/powerpc
Bonzini, and on direction from Paul Mackerras.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 1 +
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc/kvm/book3s_hv.c | 116 ++
arch/powerpc/kvm/trace_hv.h
rs. Modify vm_stat_get() to expect ulongs.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V2 -> V3:
- Instead of implementing separate u32 and u64 functions keep the
generic functions and modify them to expect u64s. Thus update all
vm and vcpu statistics to u64s accordin
le to determine
the average poll and wait times. This will give the ability to tune the kvm
module parameters based on the calculated average wait and poll times.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V3 -> V4:
- Instead of accounting just wait and poll time, separa
On 20/07/16 04:58, David Matlack wrote:
> On Tue, Jul 19, 2016 at 1:12 AM, Suraj Jitindar Singh
> wrote:
>> This patch introduces new halt polling functionality into the kvm_hv kernel
>> module. When a vcore is idle it will poll for some period of time before
>&g
s due to MAX_SMT_THREADS not being defined.
Move the struct kvmppc_vcore definition to kvm_book3s.h which explicitly
includes kvm_book3s_asm.h.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V1 -> V2:
- Added patch to series
---
arch/powerpc/include/asm/kvm_book3
.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/book3s_hv.c | 68 +--
3 files changed, 43 insertions(+), 28 deletions(-)
diff --git a/arch/powerpc
through module parameters.
Based on the implementation in the generic kvm module by Wanpeng Li and
Paolo Bonzini, and on direction from Paul Mackerras.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 1 +
arch/powerpc/include/asm/kvm_host.h | 1 +
arch/powerpc
rs. Modify vm_stat_get() to expect ulongs.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: David Matlack
Acked-by: Christian Borntraeger
---
Change Log:
V2 -> V3:
- Instead of implementing separate u32 and u64 functions keep the
generic functions and modify them to expect u64s. Th
le to determine
the average poll and wait times. This will give the ability to tune the kvm
module parameters based on the calculated average wait and poll times.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: David Matlack
---
Change Log:
V3 -> V4:
- Instead of accounting just wait
On 23/07/16 07:53, David Matlack wrote:
> On Thu, Jul 21, 2016 at 8:41 PM, Suraj Jitindar Singh
> wrote:
>> vcpu stats are used to collect information about a vcpu which can be viewed
>> in the debugfs. For example halt_attempted_poll and halt_successful_poll
>> are u
s due to MAX_SMT_THREADS not being defined.
Move the struct kvmppc_vcore definition to kvm_book3s.h which explicitly
includes kvm_book3s_asm.h.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V1 -> V2:
- Added patch to series
---
arch/powerpc/include/asm/kvm_book3
.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/include/asm/kvm_book3s.h | 2 +-
arch/powerpc/include/asm/kvm_host.h | 1 -
arch/powerpc/kvm/book3s_hv.c | 68 +--
3 files changed, 43 insertions(+), 28 deletions(-)
diff --git a/arch/powerpc
through module parameters.
Based on the implementation in the generic kvm module by Wanpeng Li and
Paolo Bonzini, and on direction from Paul Mackerras.
Signed-off-by: Suraj Jitindar Singh
---
Change Log:
V4 -> V5:
- Add single_task_running() check to polling loop
---
arch/powerpc/incl
rs. Modify vm_stat_get() to expect ulongs.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: David Matlack
Acked-by: Christian Borntraeger
---
Change Log:
V2 -> V3:
- Instead of implementing separate u32 and u64 functions keep the
generic functions and modify them to expect u64s. Th
le to determine
the average poll and wait times. This will give the ability to tune the kvm
module parameters based on the calculated average wait and poll times.
Signed-off-by: Suraj Jitindar Singh
Reviewed-by: David Matlack
---
Change Log:
V3 -> V4:
- Instead of accounting just wait
display
buffer.
Signed-off-by: Suraj Jitindar Singh
---
MAINTAINERS | 1 +
arch/powerpc/include/asm/opal.h | 7 +
arch/powerpc/platforms/powernv/Kconfig| 4 +
arch/powerpc/platforms/powernv/Makefile | 1 +
arch/powerpc/platforms
Jitindar Singh
---
arch/powerpc/platforms/powernv/opal.c | 8 +---
arch/powerpc/platforms/powernv/setup.c | 27 +++
2 files changed, 32 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/opal.c
b/arch/powerpc/platforms/powernv/opal.c
index
lot of the
module code. Thus update the powernv_op_panel kernel module to access the
display through the opal_oppanel interface.
Signed-off-by: Suraj Jitindar Singh
---
drivers/char/powernv-op-panel.c | 153 ++--
1 file changed, 51 insertions(+), 102 deletions
On Thu, 2017-07-27 at 13:14 +1000, Michael Ellerman wrote:
> jos...@linux.vnet.ibm.com writes:
> > On Thu, Jul 20, 2017 at 10:18:18PM -0300, jos...@linux.vnet.ibm.com
> > wrote:
> > > On Thu, Jul 20, 2017 at 03:21:59PM +1000, Paul Mackerras wrote:
> > > >
> > > > Did you check the host kernel log
& cpu_to_be64(_PAGE_DEVMAP));
> + uint64_t mask = cpu_to_be64(_PAGE_DEVMAP | _PAGE_PTE);
> +
> + return (pte_raw(pte) & mask) == mask;
> }
>
> static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
Reviewed-by: Suraj Jitindar Singh
to call
mmu_partition_table_set_entry(), this ensures all appropriate
invalidation will be performed.
Signed-off-by: Suraj Jitindar Singh
---
arch/powerpc/mm/pgtable-radix.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm
On Thu, 2017-08-03 at 17:35 +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2017-08-03 at 16:30 +1000, Michael Ellerman wrote:
> > Suraj Jitindar Singh writes:
> >
> > > The host process table base is stored in the partition table by
> > > calling
> > >
On Fri, 2017-08-04 at 11:31 +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2017-08-04 at 11:02 +1000, Suraj Jitindar Singh wrote:
> >
> > I guess there's the possibility of:
> > [x] randomly crash
> >
> > This is required to run a powernv kernel as a gues
On Wed, 2017-08-09 at 20:30 +1000, Michael Ellerman wrote:
> Suraj Jitindar Singh writes:
>
> > The host process table base is stored in the partition table by
> > calling
> > the function native_register_process_table(). Currently this just
> > sets
> >
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