dd platform support for
> stop instruction")
>
> Cc: Vaidyanathan Srinivasan <sva...@linux.vnet.ibm.com>
> Cc: Michael Neuling <michael.neul...@au1.ibm.com>
> Cc: Michael Ellerman <m...@ellerman.id.au>
> Cc: Shreyas B. Prabhu <shreya...@gmail.com>
> Signed-off-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
> ---
Reviewed-by: Shreyas B. Prabhu <shreya...@gmail.com>
Thanks,
Shreyas
fail to restore the SPRs on waking up from such a state.
>
> Fix the code in pnv_wakeup_tb_loss to restore the SPR states when cr4 is
> "eq" or "gt".
>
> Fixes: Commit bcef83a00dc4 ("powerpc/powernv: Add platform support for
> stop instruction&quo
"&" while assigning function pointer
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Cc: Daniel Lezcano <daniel.lezc...@linaro.org>
Cc: linux...@vger.kernel.org
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v8
=
- _lo
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v8
=
- Initializing pnv_first_deep_stop_state
- Changing MMU_FTR_SECTION condition to reduce FTR section length
C
"&" while assigning function pointer
Cc: Rafael J. Wysocki
Cc: Daniel Lezcano
Cc: linux...@vger.kernel.org
Signed-off-by: Shreyas B. Prabhu
---
Changes in v8
=
- _loop -> snooze_loop
Changes in v7
=
- New in v7. This was mainly to make the existing c
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Changes in v8
=
- Initializing pnv_first_deep_stop_state
- Changing MMU_FTR_SECTION condition to reduce FTR section length
Changes in v7
=
- LMRR, LMSER and ADSR not restored
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v7:
=
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B.
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Changes in v7:
=
- File renamed to idle_book3s.S instead
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras <pau...@samba.org>
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v1
arch/powerpc/platforms/powernv/id
the
rfid address as a function parameter.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
C
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v3
C
Use cpuidle's CPUIDLE_STATE_MAX macro instead of powernv specific
MAX_POWERNV_IDLE_STATES.
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Cc: Daniel Lezcano <daniel.lezc...@linaro.org>
Cc: linux...@vger.kernel.org
Acked-by: Daniel Lezcano <daniel.lezc...@linaro.org>
Signed
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Newly added in v3
arch/powerpc/kernel
Use cpuidle's CPUIDLE_STATE_MAX macro instead of powernv specific
MAX_POWERNV_IDLE_STATES.
Cc: Rafael J. Wysocki
Cc: Daniel Lezcano
Cc: linux...@vger.kernel.org
Acked-by: Daniel Lezcano
Signed-off-by: Shreyas B. Prabhu
---
- No changes after v5
Changes in v5
=
- New in v5
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Retaining GET_PACA(r13) in System Reset vector instead of moving
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v1
arch/powerpc/platforms/powernv/idle.c| 15 +--
arch/powerpc/platforms/powernv/powernv.h | 1 +
arch
the
rfid address as a function parameter.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
Changes in v3:
==
- Moved HSTATE_HWTHREAD_STATE updation
t;
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Note: Documentation for the device tree bindings is posted here-
http://patchwork.ozlabs.org/patch/629125/
Changes in v8
: Daniel Lezcano
Cc: Rob Herring
Cc: Lorenzo Pieralisi
Cc: linux...@vger.kernel.org
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Note: Documentation for the device tree bindings is posted here-
http
c: Michael Neuling <mi...@neuling.org>
Cc: linuxppc-...@lists.ozlabs.org
Shreyas B. Prabhu (11):
powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for
winkle
powerpc/kvm: make hypervisor state restore a function
powerpc/powernv: Rename idle_power7.S to idle_book3s.S
po
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/
Cc: linux...@vger.kernel.org
Cc: Benjamin Herrenschmidt
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Michael Neuling
Cc: linuxppc-...@lists.ozlabs.org
Shreyas B. Prabhu (11):
powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for
winkle
powerpc/kvm: make hypervisor state restore a
Signed-off-by: Shreyas B. Prabhu
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/kernel/idle_power7.S
index 470ceeb..705c867
On 07/08/2016 07:50 AM, Michael Neuling wrote:
>
>> diff --git a/arch/powerpc/include/asm/cpuidle.h
>> b/arch/powerpc/include/asm/cpuidle.h
>> index d2f99ca..3d7fc06 100644
>> --- a/arch/powerpc/include/asm/cpuidle.h
>> +++ b/arch/powerpc/include/asm/cpuidle.h
>> @@ -13,6 +13,8 @@
>> #ifndef
On 07/08/2016 07:50 AM, Michael Neuling wrote:
>
>> diff --git a/arch/powerpc/include/asm/cpuidle.h
>> b/arch/powerpc/include/asm/cpuidle.h
>> index d2f99ca..3d7fc06 100644
>> --- a/arch/powerpc/include/asm/cpuidle.h
>> +++ b/arch/powerpc/include/asm/cpuidle.h
>> @@ -13,6 +13,8 @@
>> #ifndef
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v3
C
the
rfid address as a function parameter.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
C
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Newly added in v3
arch/powerpc/kernel
the
rfid address as a function parameter.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
Changes in v3:
==
- Moved HSTATE_HWTHREAD_STATE updation
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v7:
=
t;
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Note: Documentation for the device tree bindings is posted here-
http://patchwork.ozlabs.org/patch/629125/
Changes in v7
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Changes in v7:
=
- File renamed to idle_book3s.S instead
: Daniel Lezcano
Cc: Rob Herring
Cc: Lorenzo Pieralisi
Cc: linux...@vger.kernel.org
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Note: Documentation for the device tree bindings is posted here-
http
"&" while assigning function pointer
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Cc: Daniel Lezcano <daniel.lezc...@linaro.org>
Cc: linux...@vger.kernel.org
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- New in v7. This was
"&" while assigning function pointer
Cc: Rafael J. Wysocki
Cc: Daniel Lezcano
Cc: linux...@vger.kernel.org
Signed-off-by: Shreyas B. Prabhu
---
- New in v7. This was mainly to make the existing code
consistent with the review comments for new code
drivers/cpuidle/cpuidle-
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v7
=
- LMRR, LMSER and ADSR not restored since its not necessary
- power_stop0, power_stop renamed to
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Changes in v7
=
- LMRR, LMSER and ADSR not restored since its not necessary
- power_stop0, power_stop renamed to power9_idle and power_idle_stop
- PSSCR template is now a macro instead
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v1
arch/powerpc/platforms/powernv/id
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v1
arch/powerpc/platforms/powernv/idle.c| 15 +--
arch/powerpc/platforms/powernv/powernv.h | 1 +
arch
Signed-off-by: Shreyas B. Prabhu
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/kernel/idle_power7.S
index 470ceeb..705c867
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras <pau...@samba.org>
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Retaining GET_PACA(r13) in System Reset vector instead of moving
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B.
Use cpuidle's CPUIDLE_STATE_MAX macro instead of powernv specific
MAX_POWERNV_IDLE_STATES.
Cc: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
Cc: Daniel Lezcano <daniel.lezc...@linaro.org>
Cc: linux...@vger.kernel.org
Acked-by: Daniel Lezcano <daniel.lezc...@linaro.org>
Signed
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since
Use cpuidle's CPUIDLE_STATE_MAX macro instead of powernv specific
MAX_POWERNV_IDLE_STATES.
Cc: Rafael J. Wysocki
Cc: Daniel Lezcano
Cc: linux...@vger.kernel.org
Acked-by: Daniel Lezcano
Signed-off-by: Shreyas B. Prabhu
---
- No changes after v5
Changes in v5
=
- New in v5
Cc: linuxppc-...@lists.ozlabs.org
Cc: Rob Herring <robh...@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Shreyas B. Prabhu (11):
powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for
winkle
powerpc/kvm: make hypervisor state restore a function
powerpc/po
ezcano
Cc: linux...@vger.kernel.org
Cc: Benjamin Herrenschmidt
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: Michael Neuling
Cc: linuxppc-...@lists.ozlabs.org
Cc: Rob Herring
Cc: Lorenzo Pieralisi
Shreyas B. Prabhu (11):
powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for
Hi Michael,
On 06/15/2016 04:44 PM, Michael Ellerman wrote:
> Hi Shreyas,
>
> Comments inline ...
>
> On Wed, 2016-08-06 at 16:54:28 UTC, "Shreyas B. Prabhu" wrote:
>> POWER ISA v3 defines a new idle processor core mechanism. In summary,
>> a
Hi Michael,
On 06/15/2016 04:44 PM, Michael Ellerman wrote:
> Hi Shreyas,
>
> Comments inline ...
>
> On Wed, 2016-08-06 at 16:54:28 UTC, "Shreyas B. Prabhu" wrote:
>> POWER ISA v3 defines a new idle processor core mechanism. In summary,
>> a
On 06/15/2016 11:11 AM, Michael Ellerman wrote:
> On Wed, 2016-08-06 at 16:54:27 UTC, "Shreyas B. Prabhu" wrote:
>> pnv_init_idle_states discovers supported idle states from the
>> device tree and does the required initialization. Set power_save
>> function pointer
On 06/15/2016 11:11 AM, Michael Ellerman wrote:
> On Wed, 2016-08-06 at 16:54:27 UTC, "Shreyas B. Prabhu" wrote:
>> pnv_init_idle_states discovers supported idle states from the
>> device tree and does the required initialization. Set power_save
>> function pointer
On 06/14/2016 04:59 PM, Benjamin Herrenschmidt wrote:
> On Tue, 2016-06-14 at 16:17 +0530, Shreyas B Prabhu wrote:
>
>>
>> I ignored adding this check because this is part of initcall and we are
>> unlikely to run out of memory at this state. But I'll add the check in
&
On 06/14/2016 04:59 PM, Benjamin Herrenschmidt wrote:
> On Tue, 2016-06-14 at 16:17 +0530, Shreyas B Prabhu wrote:
>
>>
>> I ignored adding this check because this is part of initcall and we are
>> unlikely to run out of memory at this state. But I'll add the check in
&
On 06/14/2016 03:18 AM, Benjamin Herrenschmidt wrote:
> On Wed, 2016-06-08 at 11:54 -0500, Shreyas B. Prabhu wrote:
>>
>> /*
>> * States for dedicated partition case.
>> */
>> @@ -167,6 +183,8 @@ static int powernv_add_idle_states(void)
>>
On 06/14/2016 03:18 AM, Benjamin Herrenschmidt wrote:
> On Wed, 2016-06-08 at 11:54 -0500, Shreyas B. Prabhu wrote:
>>
>> /*
>> * States for dedicated partition case.
>> */
>> @@ -167,6 +183,8 @@ static int powernv_add_idle_states(void)
>>
On 06/13/2016 09:04 PM, Daniel Lezcano wrote:
> On Wed, Jun 08, 2016 at 11:54:30AM -0500, Shreyas B. Prabhu wrote:
>> POWER ISA v3 defines a new idle processor core mechanism. In summary,
>> a) new instruction named stop is added.
>> b) new per thread SPR named PSSCR is
On 06/13/2016 09:04 PM, Daniel Lezcano wrote:
> On Wed, Jun 08, 2016 at 11:54:30AM -0500, Shreyas B. Prabhu wrote:
>> POWER ISA v3 defines a new idle processor core mechanism. In summary,
>> a) new instruction named stop is added.
>> b) new per thread SPR named PSSCR is
On 06/09/2016 10:12 AM, Sam Bobroff wrote:
> On Thu, Jun 02, 2016 at 07:38:58AM -0500, Shreyas B. Prabhu wrote:
>
> ...
>
>> +/* Power Management - PSSCR Fields */
>
> It might be nice to give the full name of the register, as below with the
> FPSCR.
>
I'll
On 06/09/2016 10:12 AM, Sam Bobroff wrote:
> On Thu, Jun 02, 2016 at 07:38:58AM -0500, Shreyas B. Prabhu wrote:
>
> ...
>
>> +/* Power Management - PSSCR Fields */
>
> It might be nice to give the full name of the register, as below with the
> FPSCR.
>
I'll
Hi Ben,
Sorry for the delayed response.
On 06/06/2016 03:58 AM, Benjamin Herrenschmidt wrote:
> On Thu, 2016-06-02 at 07:38 -0500, Shreyas B. Prabhu wrote:
>> @@ -61,8 +72,13 @@ save_sprs_to_stack:
>> * Note all register i.e per-core, per-subcore or per-
Hi Ben,
Sorry for the delayed response.
On 06/06/2016 03:58 AM, Benjamin Herrenschmidt wrote:
> On Thu, 2016-06-02 at 07:38 -0500, Shreyas B. Prabhu wrote:
>> @@ -61,8 +72,13 @@ save_sprs_to_stack:
>> * Note all register i.e per-core, per-subcore or per-
pnv_init_idle_states discovers supported idle states from the
device tree and does the required initialization. Set power_save
function pointer only after this initialization is done
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Changes in v6
=
- Save/restore new P9 SPRs when using deep idle states
Changes in v4:
==
- Added PSSCR layout to co
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v3
C
pnv_init_idle_states discovers supported idle states from the
device tree and does the required initialization. Set power_save
function pointer only after this initialization is done
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v1
arch/powerpc
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Changes in v6
=
- Save/restore new P9 SPRs when using deep idle states
Changes in v4:
==
- Added PSSCR layout to commit message
- Improved / Fixed comments
- Fixed whitespace
Create a function for saving SPRs before entering deep idle states.
This function can be reused for POWER9 deep idle states.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Newly added in v3
arch/powerpc/kernel
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras <pau...@samba.org>
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/
t;
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
Note: Documentation for the device tree bindings is posted here-
http://patchwork.ozlabs.org/patch/629125/
- No changes i
by kvm)
goto kvm_start_guest
goto power7_wakeup_loss
Reviewed-by: Paul Mackerras
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
=
- Retaining GET_PACA(r13) in System Reset vector instead of moving
Signed-off-by: Shreyas B. Prabhu
---
-No changes since v4
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/kernel/idle_power7.S
index 470ceeb..705c867
: Daniel Lezcano
Cc: Rob Herring
Cc: Lorenzo Pieralisi
Cc: linux...@vger.kernel.org
Cc: Michael Ellerman
Cc: Paul Mackerras
Cc: linuxppc-...@lists.ozlabs.org
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
Note: Documentation for the device tree bindings is posted here-
http
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v3
C
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v3
Changes in v3:
==
- Instead of moving few common
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B.
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v1
arch/powerpc/platforms/powernv/id
If hardware supports stop state, use the deepest stop state when
the cpu is offlined.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v1
arch/powerpc/platforms/powernv/idle.c| 15 +--
arch/powerpc/platforms/powernv/powernv.h | 1 +
arch
ed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes after v5
Changes in v5
=
- New in v5
drivers/cpuidle/cpuidle-powernv.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/cpuidle/cpuidle-powernv.c
b/drivers/cpuidle/cpuidle
the rfid
address as a function parameter.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
C
Use cpuidle's CPUIDLE_STATE_MAX macro instead of powernv specific
MAX_POWERNV_IDLE_STATES.
Cc: Rafael J. Wysocki
Cc: Daniel Lezcano
Cc: linux...@vger.kernel.org
Suggested-by: Daniel Lezcano
Signed-off-by: Shreyas B. Prabhu
---
- No changes after v5
Changes in v5
=
- New in v5
the rfid
address as a function parameter.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v4
Changes in v4:
==
- Moved renaming of power7_powersave_common to earlier patch
Changes in v3:
==
- Moved HSTATE_HWTHREAD_STATE updation
..@au1.ibm.com>
Cc: Michael Ellerman <m...@ellerman.id.au>
Cc: Paul Mackerras <pau...@ozlabs.org>
Cc: Michael Neuling <mi...@neuling.org>
Cc: linuxppc-...@lists.ozlabs.org
Cc: Rob Herring <robh...@kernel.org>
Cc: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Shreyas B. Pr
ppc-...@lists.ozlabs.org
Cc: Rob Herring
Cc: Lorenzo Pieralisi
Shreyas B. Prabhu (11):
powerpc/powernv: Use PNV_THREAD_WINKLE macro while requesting for
winkle
powerpc/kvm: make hypervisor state restore a function
powerpc/powernv: Rename idle_power7.S to idle_power_common.S
powerpc/powe
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
-No changes in v5
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/kernel/idle_
Signed-off-by: Shreyas B. Prabhu
---
-No changes in v5
Changes in v4
=
- New in v4
arch/powerpc/kernel/idle_power7.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/idle_power7.S
b/arch/powerpc/kernel/idle_power7.S
index 470ceeb..705c867
pnv_init_idle_states discovers supported idle states from the
device tree and does the required initialization. Set power_save
function pointer only after this initialization is done
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B.
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes from v3
C
pnv_init_idle_states discovers supported idle states from the
device tree and does the required initialization. Set power_save
function pointer only after this initialization is done
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes since v1
arch/powerpc
Functions like power7_wakeup_loss, power7_wakeup_noloss,
power7_wakeup_tb_loss are used by POWER7 and POWER8 hardware. They can
also be used by POWER9. Hence rename these functions hardware agnostic
names.
Suggested-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes in v5
idle_power7.S handles idle entry/exit for POWER7, POWER8 and in next
patch for POWER9. Rename the file to a non-hardware specific
name.
Reviewed-by: Gautham R. Shenoy
Signed-off-by: Shreyas B. Prabhu
---
- No changes from v3
Changes in v3:
==
- Instead of moving few common
instruction and PSSCR handling.
Reviewed-by: Gautham R. Shenoy <e...@linux.vnet.ibm.com>
Signed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- No changes in v5
Changes in v4:
==
- Added PSSCR layout to commit message
- Improved / Fixed comments
- Fixed whit
ed-off-by: Shreyas B. Prabhu <shre...@linux.vnet.ibm.com>
---
- New in v5
drivers/cpuidle/cpuidle-powernv.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/cpuidle/cpuidle-powernv.c
b/drivers/cpuidle/cpuidle-powernv.c
index e12dc30..3a763a8 100644
--- a
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