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Re: [v2] powerpc/powernv: Fix race in updating core_idle_state

Started byMichael Ellerman <mpe@ellerman.id.au>
First post2015-07-07 12:40 +0200
Last post2015-07-07 12:40 +0200
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  Re: [v2] powerpc/powernv: Fix race in updating core_idle_state Michael Ellerman <mpe@ellerman.id.au> - 2015-07-07 12:40 +0200

#1178319 — Re: [v2] powerpc/powernv: Fix race in updating core_idle_state

FromMichael Ellerman <mpe@ellerman.id.au>
Date2015-07-07 12:40 +0200
SubjectRe: [v2] powerpc/powernv: Fix race in updating core_idle_state
Message-ID<pJysa-4vc-7@gated-at.bofh.it>
On Mon, 2015-06-07 at 20:09:23 UTC, "Shreyas B. Prabhu" wrote:
> core_idle_state is maintained for each core. It uses 0-7 bits to track
> whether a thread in the core has entered fastsleep or winkle. 8th bit is
> used as a lock bit.
...
> Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com>
> Fixes: 7b54e9f213f76 'powernv/powerpc: Add winkle support for offline
> cpus'

Applied to powerpc fixes, thanks.

https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=fixes&id=b32aadc1a8ed84afbe924cd2ced31cd6a2e67074

cheers
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