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

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Date:	Fri, 21 Nov 2014 15:43:10 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>
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 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.

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

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