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From: Jack Miller <millerjo@us.ibm.com>
To: Shreyas B Prabhu <shreyas@linux.vnet.ibm.com>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, jk@ozlabs.org,
	jstancek@redhat.com
Subject: Re: [PATCH] powerpc/powernv: Fix idle state allocation corruption
Date: Wed, 20 May 2015 14:02:55 -0500	[thread overview]
Message-ID: <20150520190255.GA29121@toadite.austin.ibm.com> (raw)
In-Reply-To: <555CC44A.5070508@linux.vnet.ibm.com>

On Wed, May 20, 2015 at 10:58:42PM +0530, Shreyas B Prabhu wrote:
> 
> 
> On Wednesday 20 May 2015 10:43 PM, Jack Miller wrote:
> > pnv_alloc_idle_core_states is iterating over PACAs based on the
> > configured maximum number of CPUs (NR_CPUS), but PACAs are only
> > initialized up to nr_cpu_ids, so rein in loops to keep from overwriting
> > adjacent memory.
> > 
> 
> Hi Jack,
> 
> Jan Stancek has a patch fixing this (d52356e7f powerpc: fix memory
> corruption by pnv_alloc_idle_core_states).

Must've missed it, just ran into the issue and didn't see a fix upstream.
Just found it in the April list archive.

Thanks,

- Jack

      reply	other threads:[~2015-05-20 19:03 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-20 17:13 [PATCH] powerpc/powernv: Fix idle state allocation corruption Jack Miller
2015-05-20 17:28 ` Shreyas B Prabhu
2015-05-20 19:02   ` Jack Miller [this message]

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