Re: [RESEND][PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-03-06 Thread Vaidyanathan Srinivasan
* Benjamin Herrenschmidt [2018-03-01 08:40:22]: > On Thu, 2018-03-01 at 01:03 +0530, Akshay Adiga wrote: > > commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle > > states via stop API.") uses stop-api provided by the firmware to restore > > PSSCR. PSSCR restore is required for

Re: [PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-28 Thread Michael Ellerman
Stewart Smith writes: > Akshay Adiga writes: >> commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle >> states via stop API.") uses stop-api provided by the firmware to restore >> PSSCR. PSSCR restore is required for handling special wakeup. When special >> wakeup is completed,

Re: [PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-28 Thread Michael Ellerman
Akshay Adiga writes: > On Mon, Feb 26, 2018 at 03:47:12PM +1100, Stewart Smith wrote: >> Akshay Adiga writes: >> > commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle >> > states via stop API.") uses stop-api provided by the firmware to restore >> > PSSCR. PSSCR restore is req

Re: [RESEND][PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-28 Thread Benjamin Herrenschmidt
On Thu, 2018-03-01 at 01:03 +0530, Akshay Adiga wrote: > commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle > states via stop API.") uses stop-api provided by the firmware to restore > PSSCR. PSSCR restore is required for handling special wakeup. When special > wakeup is complet

[RESEND][PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-28 Thread Akshay Adiga
commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle states via stop API.") uses stop-api provided by the firmware to restore PSSCR. PSSCR restore is required for handling special wakeup. When special wakeup is completed, the core enters stop state based on restored PSSCR. Curren

Re: [PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-28 Thread Akshay Adiga
On Mon, Feb 26, 2018 at 03:47:12PM +1100, Stewart Smith wrote: > Akshay Adiga writes: > > commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle > > states via stop API.") uses stop-api provided by the firmware to restore > > PSSCR. PSSCR restore is required for handling special wa

Re: [PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-25 Thread Stewart Smith
Akshay Adiga writes: > commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle > states via stop API.") uses stop-api provided by the firmware to restore > PSSCR. PSSCR restore is required for handling special wakeup. When special > wakeup is completed, the core enters stop state ba

[PATCH] cpuidle/powernv : Restore different PSSCR for idle and hotplug

2018-02-19 Thread Akshay Adiga
commit 1e1601b38e6e ("powerpc/powernv/idle: Restore SPRs for deep idle states via stop API.") uses stop-api provided by the firmware to restore PSSCR. PSSCR restore is required for handling special wakeup. When special wakeup is completed, the core enters stop state based on restored PSSCR. Curren