linux-kernel - Re: [PATCH V3 0/3] Add new PowerPC specific ELF core notes

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Message-ID: <53C85AE6.7080600@au1.ibm.com>
Date:	Fri, 18 Jul 2014 09:23:18 +1000
From:	Sam Bobroff <sam.bobroff@....ibm.com>
To:	Michael Neuling <mikey@...ling.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	james.hogan@...tec.com, avagin@...nvz.org,
	Paul.Clothier@...tec.com, Peter Zijlstra <peterz@...radead.org>,
	Pedro Alves <palves@...hat.com>, oleg@...hat.com,
	akpm@...ux-foundation.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	dhowells@...hat.com, Linux PPC dev <linuxppc-dev@...abs.org>,
	davej@...hat.com, tglx@...utronix.de,
	"David S. Miller" <davem@...emloft.net>,
	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
Subject: Re: [PATCH V3 0/3] Add new PowerPC specific ELF core notes

On 17/07/14 21:14, Michael Neuling wrote:
> 
> On Jul 17, 2014 9:11 PM, "Benjamin Herrenschmidt"
> <benh@...nel.crashing.org <mailto:benh@...nel.crashing.org>> wrote:
>>
>> > >
>> > >> Outstanding Issues
>> > >> ==================
>> > >> (1) Running DSCR register value inside a transaction does not
> seem to be saved
>> > >>     at thread.dscr when the process stops for ptrace examination.
>> > >
>> > > Hey Ben,
>> > >
>> > > Any updates on this patch series ?
>> >
>> > Ben,
>> >
>> > Any updates on this patch series ?
>>
>> I haven't had a chance to review yet, I was hoping somebody else would..
>>
>> Have you made any progress vs. the DSCR outstanding issue mentioned
>> above ?
> 
> The DSCR issue should be resolved with Sam Bobroff's recent  DSCR
> fixes.  I've not tested them though.
> 
> Actually... Sam did you review this series?
> 
> Mikey
> 

I did, and applying "powerpc: Correct DSCR during TM context switch"
corrected the DSCR value in the test program (the one in the patch notes
for this series).

(In fact, IIRC, the reason for my patch set was the bug exposed by this
one ;-)

Cheers,
Sam.


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