From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Gavin Shan <gwshan@linux.vnet.ibm.com>, linuxppc-dev@ozlabs.org
Cc: Gavin Shan <gwshan@linux.vnet.ibm.com>
Subject: Re: powerpc/powernv: Fix corrupted PE allocation bitmap on releasing PE
Date: Thu, 8 Sep 2016 19:47:52 +1000 (AEST) [thread overview]
Message-ID: <3sVFr82KMSz9s5w@ozlabs.org> (raw)
In-Reply-To: <1473135438-32761-1-git-send-email-gwshan@linux.vnet.ibm.com>
On Tue, 2016-06-09 at 04:17:18 UTC, Gavin Shan wrote:
> In pnv_ioda_free_pe(), the PE object (including the associated PE
> number) is cleared before resetting the corresponding bit in the
> PE allocation bitmap. It means PE#0 is always released to the bitmap
> wrongly.
>
> This fixes above issue by caching the PE number before the PE object
> is cleared.
>
> Fixes: 1e9167726c41 ("powerpc/powernv: Use PE instead of number during setup and release"
> Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/caa58f808834fca9a4443233fd
I added:
Cc: stable@vger.kernel.org # v4.7+
cheers
prev parent reply other threads:[~2016-09-08 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 4:17 [PATCH] powerpc/powernv: Fix corrupted PE allocation bitmap on releasing PE Gavin Shan
2016-09-08 9:47 ` Michael Ellerman [this message]
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