linux-kernel - Re: [PATCH v4 5/6] powerpc: Add show_user

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Date:   Fri, 10 Aug 2018 11:29:43 +0200
From:   Christophe LEROY <christophe.leroy@....fr>
To:     Murilo Opsfelder Araujo <muriloo@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org,
        Alastair D'Silva <alastair@...ilva.org>,
        Andrew Donnellan <andrew.donnellan@....ibm.com>,
        Balbir Singh <bsingharora@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Cyril Bur <cyrilbur@...il.com>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Joe Perches <joe@...ches.com>,
        Michael Neuling <mikey@...ling.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Paul Mackerras <paulus@...ba.org>,
        Simon Guo <wei.guo.simon@...il.com>,
        Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
        "Tobin C . Harding" <me@...in.cc>, linuxppc-dev@...ts.ozlabs.org,
        Segher Boessenkool <segher@...nel.crashing.org>
Subject: Re: [PATCH v4 5/6] powerpc: Add show_user_instructions()



Le 03/08/2018 à 13:31, Murilo Opsfelder Araujo a écrit :
> Hi, everyone.
> 
> I'd like to thank you all that contributed to refining and making this
> series better.  I did appreciate.
> 
> Thank you!

You are welcome.

It seems that nested segfaults don't print very well. The code line is 
split in two, le second half being alone on one line. Any way to avoid 
that ?

[    4.365317] init[1]: segfault (11) at 0 nip 0 lr 0 code 1
[    4.370452] init[1]: code: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[    4.372042] init[74]: segfault (11) at 10a74 nip 1000c198 lr 100078c8 
code 1 in sh[10000000+14000]
[    4.386829] XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[    4.391542] init[1]: code: XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX 
XXXXXXXX XXXXXXXX XXXXXXXX XXXXXXXX
[    4.400863] init[74]: code: 90010024 bf61000c 91490a7c 3fa01002 
3be00000 7d3e4b78 3bbd0c20 3b600000
[    4.409867] init[74]: code: 3b9d0040 7c7fe02e 2f830000 419e0028 
<89230000> 2f890000 41be001c 4b7f6e79

Christophe

> 
> Cheers
> Murilo
>