From: Sasha Levin <sashal@kernel.org>
To: gregkh@linuxfoundation.org
Cc: laurentiu.tudor@nxp.com, mpe@ellerman.id.au, oss@buserror.net,
stable@vger.kernel.org
Subject: Re: FAILED: patch "[PATCH] powerpc/fsl_booke: Avoid creating duplicate tlb1 entry" failed to apply to 4.19-stable tree
Date: Wed, 15 Apr 2020 23:23:14 -0400 [thread overview]
Message-ID: <20200416032314.GF1068@sasha-vm> (raw)
In-Reply-To: <158695658720061@kroah.com>
On Wed, Apr 15, 2020 at 03:16:27PM +0200, gregkh@linuxfoundation.org wrote:
>
>The patch below does not apply to the 4.19-stable tree.
>If someone wants it applied there, or to any other stable or longterm
>tree, then please email the backport, including the original git commit
>id to <stable@vger.kernel.org>.
>
>thanks,
>
>greg k-h
>
>------------------ original commit in Linus's tree ------------------
>
>From aa4113340ae6c2811e046f08c2bc21011d20a072 Mon Sep 17 00:00:00 2001
>From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
>Date: Thu, 23 Jan 2020 11:19:25 +0000
>Subject: [PATCH] powerpc/fsl_booke: Avoid creating duplicate tlb1 entry
>
>In the current implementation, the call to loadcam_multi() is wrapped
>between switch_to_as1() and restore_to_as0() calls so, when it tries
>to create its own temporary AS=1 TLB1 entry, it ends up duplicating
>the existing one created by switch_to_as1(). Add a check to skip
>creating the temporary entry if already running in AS=1.
>
>Fixes: d9e1831a4202 ("powerpc/85xx: Load all early TLB entries at once")
>Cc: stable@vger.kernel.org # v4.4+
>Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
>Acked-by: Scott Wood <oss@buserror.net>
>Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
>Link: https://lore.kernel.org/r/20200123111914.2565-1-laurentiu.tudor@nxp.com
Different filename in older trees.
--
Thanks,
Sasha
prev parent reply other threads:[~2020-04-16 3:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 13:16 FAILED: patch "[PATCH] powerpc/fsl_booke: Avoid creating duplicate tlb1 entry" failed to apply to 4.19-stable tree gregkh
2020-04-16 3:23 ` Sasha Levin [this message]
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