Re: powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-20 Thread Michael Ellerman
On Thu, 2017-08-31 at 11:47:41 UTC, "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via > stop-api during CPU-Hotplug to prevent wakeup

Re: powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-20 Thread Michael Ellerman
On Thu, 2017-08-31 at 11:47:41 UTC, "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via > stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-19 Thread Akshay Adiga
Hi Michael, Any comments on this patch ? On 09/06/2017 02:32 PM, pavrampu wrote: On 2017-08-31 17:17, Gautham R. Shenoy wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-19 Thread Akshay Adiga
Hi Michael, Any comments on this patch ? On 09/06/2017 02:32 PM, pavrampu wrote: On 2017-08-31 17:17, Gautham R. Shenoy wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via >

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-06 Thread pavrampu
On 2017-08-31 17:17, Gautham R. Shenoy wrote: From: "Gautham R. Shenoy" commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via stop-api only on Hotplug") clears the PECE1 bit of the LPCR via stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-06 Thread pavrampu
On 2017-08-31 17:17, Gautham R. Shenoy wrote: From: "Gautham R. Shenoy" commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via stop-api only on Hotplug") clears the PECE1 bit of the LPCR via stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on an offlined CPU which is

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-01 Thread Nicholas Piggin
On Fri, 1 Sep 2017 15:38:59 +0530 Akshay Adiga wrote: > On 08/31/2017 05:37 PM, Nicholas Piggin wrote: > > On Thu, 31 Aug 2017 17:17:41 +0530 > > "Gautham R. Shenoy" wrote: > > > > > From: "Gautham R. Shenoy"

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-01 Thread Nicholas Piggin
On Fri, 1 Sep 2017 15:38:59 +0530 Akshay Adiga wrote: > On 08/31/2017 05:37 PM, Nicholas Piggin wrote: > > On Thu, 31 Aug 2017 17:17:41 +0530 > > "Gautham R. Shenoy" wrote: > > > > > From: "Gautham R. Shenoy" > > > > > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > > >

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-01 Thread Akshay Adiga
On 08/31/2017 05:37 PM, Nicholas Piggin wrote: On Thu, 31 Aug 2017 17:17:41 +0530 "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-09-01 Thread Akshay Adiga
On 08/31/2017 05:37 PM, Nicholas Piggin wrote: On Thu, 31 Aug 2017 17:17:41 +0530 "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via > stop-api during

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-08-31 Thread Nicholas Piggin
On Thu, 31 Aug 2017 17:17:41 +0530 "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via > stop-api during

Re: [PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-08-31 Thread Nicholas Piggin
On Thu, 31 Aug 2017 17:17:41 +0530 "Gautham R. Shenoy" wrote: > From: "Gautham R. Shenoy" > > commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via > stop-api only on Hotplug") clears the PECE1 bit of the LPCR via > stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on

[PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-08-31 Thread Gautham R. Shenoy
From: "Gautham R. Shenoy" commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via stop-api only on Hotplug") clears the PECE1 bit of the LPCR via stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on an offlined CPU which is in a deep stop state.

[PATCH] powerpc/powernv: Clear LPCR[PECE1] via stop-api only for deep state offline

2017-08-31 Thread Gautham R. Shenoy
From: "Gautham R. Shenoy" commit 24be85a23d1f ("powerpc/powernv: Clear PECE1 in LPCR via stop-api only on Hotplug") clears the PECE1 bit of the LPCR via stop-api during CPU-Hotplug to prevent wakeup due to a decrementer on an offlined CPU which is in a deep stop state. In the case where the