From: Michael Ellerman <mpe@ellerman.id.au>
To: "Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com>,
Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
"Shreyas B. Prabhu" <shreyas@linux.vnet.ibm.com>
Subject: Re: [v2] powerpc/powernv: Fix race in updating core_idle_state
Date: Tue, 7 Jul 2015 20:38:05 +1000 (AEST) [thread overview]
Message-ID: <20150707103805.428031402C3@ozlabs.org> (raw)
In-Reply-To: <1436213363-18419-1-git-send-email-shreyas@linux.vnet.ibm.com>
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
prev parent reply other threads:[~2015-07-07 10:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-06 20:09 [PATCH v2] powerpc/powernv: Fix race in updating core_idle_state Shreyas B. Prabhu
2015-07-07 0:22 ` Michael Ellerman
2015-07-07 1:17 ` Shreyas B Prabhu
2015-07-09 4:41 ` Daniel Axtens
2015-07-09 6:03 ` Shreyas B Prabhu
2015-07-09 7:07 ` Michael Ellerman
2015-07-07 10:38 ` Michael Ellerman [this message]
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