linux-kernel - Re: [PATCH V4 1/8] elf: Add new PowerPC specifc core note sections

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Message-ID: <54741307.6070905@linux.vnet.ibm.com>
Date:	Tue, 25 Nov 2014 10:56:31 +0530
From:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	peterz@...radead.org, tglx@...utronix.de, james.hogan@...tec.com,
	avagin@...nvz.org, Paul.Clothier@...tec.com, palves@...hat.com,
	oleg@...hat.com, dhowells@...hat.com, davej@...hat.com,
	davem@...emloft.net, mikey@...ling.org, benh@...nel.crashing.org,
	sukadev@...ux.vnet.ibm.com, mpe@...erman.id.au,
	sam.bobroff@....ibm.com
Subject: Re: [PATCH V4 1/8] elf: Add new PowerPC specifc core note sections

On 11/22/2014 05:13 AM, Andrew Morton wrote:
> On Tue, 11 Nov 2014 10:56:30 +0530 Anshuman Khandual <khandual@...ux.vnet.ibm.com> wrote:
> 
>> This patch adds four new core note sections for PowerPC transactional
>> memory and one core note section for general miscellaneous debug registers.
>> These addition of new elf core note sections extends the existing elf ABI
>> without affecting it in any manner.
>>
>> Signed-off-by: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
>> ---
>>  include/uapi/linux/elf.h | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
>> index ea9bf25..2260fc0 100644
>> --- a/include/uapi/linux/elf.h
>> +++ b/include/uapi/linux/elf.h
>> @@ -379,6 +379,11 @@ typedef struct elf64_shdr {
>>  #define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
>>  #define NT_PPC_SPE	0x101		/* PowerPC SPE/EVR registers */
>>  #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
>> +#define NT_PPC_TM_SPR	0x103		/* PowerPC TM special registers */
>> +#define NT_PPC_TM_CGPR	0x104		/* PowerpC TM checkpointed GPR */
>> +#define NT_PPC_TM_CFPR	0x105		/* PowerPC TM checkpointed FPR */
>> +#define NT_PPC_TM_CVMX	0x106		/* PowerPC TM checkpointed VMX */
>> +#define NT_PPC_MISC	0x107		/* PowerPC miscellaneous registers */
>>  #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
>>  #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
>>  #define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */
> 
> ack from me, if that was at all expected.

Thanks Andrew.

> 
> Please cc Shuah Khan <shuah.kh@...sung.com> on the tools/testing/selftests
> changes.

Sure, will do.

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