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From: Pedro Alves <palves@redhat.com>
To: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: mikey@neuling.org, avagin@openvz.org, oleg@redhat.com,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 2/3] powerpc, ptrace: Add new ptrace request macros for transactional memory
Date: Sat, 26 Apr 2014 00:42:33 +0100	[thread overview]
Message-ID: <535AF2E9.1000005@redhat.com> (raw)
In-Reply-To: <1396422144-11032-3-git-send-email-khandual@linux.vnet.ibm.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: Pedro Alves <palves@redhat.com>
To: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
	avagin@openvz.org, oleg@redhat.com, mikey@neuling.org,
	benh@kernel.crashing.org
Subject: Re: [PATCH 2/3] powerpc, ptrace: Add new ptrace request macros for transactional memory
Date: Sat, 26 Apr 2014 00:42:33 +0100	[thread overview]
Message-ID: <535AF2E9.1000005@redhat.com> (raw)
In-Reply-To: <1396422144-11032-3-git-send-email-khandual@linux.vnet.ibm.com>

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


  reply	other threads:[~2014-04-25 23:42 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-02  7:02 [PATCH 0/3] Add new ptrace request macros on PowerPC Anshuman Khandual
2014-04-02  7:02 ` Anshuman Khandual
2014-04-02  7:02 ` [PATCH 1/3] elf: Add some new PowerPC specifc note sections Anshuman Khandual
2014-04-02  7:02   ` Anshuman Khandual
2014-04-02  7:02 ` [PATCH 2/3] powerpc, ptrace: Add new ptrace request macros for transactional memory Anshuman Khandual
2014-04-02  7:02   ` Anshuman Khandual
2014-04-25 23:42   ` Pedro Alves [this message]
2014-04-25 23:42     ` Pedro Alves
2014-04-28 10:30     ` Anshuman Khandual
2014-04-28 10:30       ` Anshuman Khandual
2014-05-01 13:41       ` Pedro Alves
2014-05-01 13:41         ` Pedro Alves
2014-04-02  7:02 ` [PATCH 3/3] powerpc, ptrace: Add new ptrace request macro for miscellaneous registers Anshuman Khandual
2014-04-02  7:02   ` Anshuman Khandual
2014-04-02  9:32 ` [PATCH 0/3] Add new ptrace request macros on PowerPC Anshuman Khandual
2014-04-02  9:32   ` Anshuman Khandual
2014-04-29  7:00   ` Anshuman Khandual
2014-04-29  7:00     ` Anshuman Khandual
2014-04-29  7:06     ` Michael Neuling
2014-04-29  7:59       ` Anshuman Khandual
2014-04-29  7:59         ` Anshuman Khandual
2014-04-29  8:22         ` Michael Neuling
2014-04-29 12:22           ` Anshuman Khandual
2014-04-29 12:22             ` Anshuman Khandual
2014-04-30  0:29             ` Michael Neuling
2014-04-30  0:29               ` Michael Neuling
2014-04-30  8:16               ` Anshuman Khandual
2014-04-30  8:16                 ` Anshuman Khandual

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