linux-kernel - Re: Regression in kernel 4.12-rc1 for Powerpc 32

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Message-ID: <5f4b9fa4-262a-31b1-32ba-a2f6e789b3d6@lwfinger.net>
Date:   Wed, 21 Jun 2017 16:31:40 -0500
From:   Larry Finger <Larry.Finger@...inger.net>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Thorsten Leemhuis <regressions@...mhuis.info>
Subject: Re: Regression in kernel 4.12-rc1 for Powerpc 32 - bisected to commit
 3448890c32c3

On 06/21/2017 04:22 PM, Al Viro wrote:
> On Wed, Jun 21, 2017 at 10:10:57AM -0500, Larry Finger wrote:
> 
>> I finally finished the bisection by patching each commit that was affected
>> by the bootstrap crash. The faulty change is commit
>> 3448890c32c32c482c3ec20baa8fdd2ab4f94cc0 ("powerpc: get rid of zeroing,
>> switch to RAW_COPY_USER"). I am very confident in the bisection.
>>
>> As I know nothing of assembly for ppc32, I have not been able to attempt to
>> find the problem with these patches.
> 
> How about the .config that works on parent of that commit?

Attached.

Laeey


View attachment "config-4.11.0-rc1+" of type "text/plain" (95745 bytes)