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

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Date:	Fri, 18 Jul 2014 13:43:52 +0530
From:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
To:	Sam Bobroff <sam.bobroff@....ibm.com>,
	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>
Subject: Re: [PATCH V3 0/3] Add new PowerPC specific ELF core notes

On 07/18/2014 04:53 AM, Sam Bobroff wrote:
> 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 ;-)

Yeah the test program worked correctly with the fix from Sam. The first patch
is a generic code change which Pedro had reviewed before. The second and third
patches are powerpc specific.

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