linux-kernel - Re: [PATCH] powerpc/32s: Fix napping restore in data storage interrupt (DSI)

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Message-ID: <cec92a8a-34a0-6c5c-20e1-7de7d768a596@linux-m68k.org>
Date:   Thu, 5 Aug 2021 11:54:29 +1000 (AEST)
From:   Finn Thain <fthain@...ux-m68k.org>
To:     Christophe Leroy <christophe.leroy@...roup.eu>
cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>, userm57@...oo.com,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] powerpc/32s: Fix napping restore in data storage interrupt
 (DSI)


On Wed, 4 Aug 2021, Christophe Leroy wrote:

> 
> This patch is related to the bisect you did that pointed to 4c0104a83fc3 
> ("powerpc/32: Dismantle EXC_XFER_STD/LITE/TEMPLATE")
> 
> I think maybe the starting point should be to (manually) apply the patch 
> on top of that commit in order to check that the bug to leaded to 
> pointing that commit as 'first bad commit' is now gone.
> 

Stan has now confirmed this. He applied this patch on top of 4c0104a83fc3, 
and it did indeed resolve the bug that 'git bisect' isolated [1]. Thanks 
Christophe.

[1]
https://lore.kernel.org/lkml/666e3ab4-372-27c2-4621-7cc3933756dd@linux-m68k.org/