linux-kernel - Re: [v2] powerpc/powernv: Fix race in updating core_idle

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Date:	Tue,  7 Jul 2015 20:38:05 +1000 (AEST)
From:	Michael Ellerman <mpe@...erman.id.au>
To:	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>,
	Paul Mackerras <paulus@...ba.org>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
	"Shreyas B. Prabhu" <shreyas@...ux.vnet.ibm.com>
Subject: Re: [v2] powerpc/powernv: Fix race in updating core_idle_state

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@...ux.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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