Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api only on Hotplug

From	Michael Ellerman <mpe@ellerman.id.au>
Newsgroups	linux.kernel
Subject	Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api only on Hotplug
Date	2017-07-25 12:50 +0200
Message-ID	<u75zz-1Fi-3@gated-at.bofh.it> (permalink)
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Nicholas Piggin <npiggin@gmail.com> writes:
...
> I wonder if we should think about a more structured kernel API for
> modifying these kind of system registers so we always have the
> up-to-date values stored in memory. Many of them do need to be
> restored after sleep, but they don't need to be saved per-thread
> or saved every time we go to sleep.

Yes that's on my mental TODO. Paul and I have talked about it in the
past for KVM.

I'll write it down sometime so we at least remember :D

chers

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[PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api only on Hotplug "Gautham R. Shenoy" <ego@linux.vnet.ibm.com> - 2017-07-18 16:30 +0200
  Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api  only on Hotplug Nicholas Piggin <npiggin@gmail.com> - 2017-07-19 04:20 +0200
    Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api  only on Hotplug Gautham R Shenoy <ego@linux.vnet.ibm.com> - 2017-07-19 07:10 +0200
      Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api  only on Hotplug Nicholas Piggin <npiggin@gmail.com> - 2017-07-19 07:30 +0200
        Re: [PATCH 2/2] powernv/powerpc: Clear PECE1 in LPCR via stop-api only on Hotplug Michael Ellerman <mpe@ellerman.id.au> - 2017-07-25 12:50 +0200

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