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Message-ID: <535AF2E9.1000005@redhat.com>
Date: Sat, 26 Apr 2014 00:42:33 +0100
From: Pedro Alves <palves@...hat.com>
To: Anshuman Khandual <khandual@...ux.vnet.ibm.com>
CC: linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
avagin@...nvz.org, oleg@...hat.com, mikey@...ling.org,
benh@...nel.crashing.org
Subject: Re: [PATCH 2/3] powerpc, ptrace: Add new ptrace request macros for
transactional memory
On 04/02/2014 08:02 AM, Anshuman Khandual wrote:
> This patch adds following new sets of ptrace request macros for transactional
> memory expanding the existing ptrace ABI on PowerPC.
>
> /* TM special purpose registers */
> PTRACE_GETTM_SPRREGS
> PTRACE_SETTM_SPRREGS
>
> /* TM checkpointed GPR registers */
> PTRACE_GETTM_CGPRREGS
> PTRACE_SETTM_CGPRREGS
>
> /* TM checkpointed FPR registers */
> PTRACE_GETTM_CFPRREGS
> PTRACE_SETTM_CFPRREGS
>
> /* TM checkpointed VMX registers */
> PTRACE_GETTM_CVMXREGS
> PTRACE_SETTM_CVMXREGS
Urgh, we're _still_ adding specialized register specific calls?
Why aren't these exported as new register sets, accessible through
PTRACE_GETREGSET / PTRACE_SETREGSET? That's supposed to be the
Modern Way to do things.
--
Pedro Alves
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