From: Pedro Alves <palves@redhat.com>
To: Anshuman Khandual <khandual@linux.vnet.ibm.com>,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Cc: michael@ellerman.id.au, mikey@neuling.org, avagin@openvz.org,
oleg@redhat.com
Subject: Re: [PATCH V2 2/3] powerpc, ptrace: Enable support for transactional memory register sets
Date: Tue, 13 May 2014 18:13:36 +0100 [thread overview]
Message-ID: <537252C0.6090005@redhat.com> (raw)
In-Reply-To: <1399276469-13541-3-git-send-email-khandual@linux.vnet.ibm.com>
On 05/05/14 08:54, Anshuman Khandual wrote:
> This patch enables get and set of transactional memory related register
> sets through PTRACE_GETREGSET/PTRACE_SETREGSET interface by implementing
> four new powerpc specific register sets i.e REGSET_TM_SPR, REGSET_TM_CGPR,
> REGSET_TM_CFPR, REGSET_CVMX support corresponding to these following new
> ELF core note types added previously in this regard.
>
> (1) NT_PPC_TM_SPR
> (2) NT_PPC_TM_CGPR
> (3) NT_PPC_TM_CFPR
> (4) NT_PPC_TM_CVMX
Sorry that I couldn't tell this from the code, but, what does the
kernel return when the ptracer requests these registers and the
program is not in a transaction? Specifically I'm wondering whether
this follows the same semantics as the s390 port.
--
Pedro Alves
next prev parent reply other threads:[~2014-05-13 17:13 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 7:54 [PATCH V2 0/3] Add new PowerPC specific ELF core notes Anshuman Khandual
2014-05-05 7:54 ` [PATCH V2 1/3] elf: Add some new PowerPC specifc note sections Anshuman Khandual
2014-05-05 7:54 ` [PATCH V2 2/3] powerpc, ptrace: Enable support for transactional memory register sets Anshuman Khandual
2014-05-13 17:13 ` Pedro Alves [this message]
2014-05-14 5:46 ` Anshuman Khandual
2014-05-14 11:15 ` Pedro Alves
2014-05-14 11:18 ` Michael Neuling
2014-05-14 11:22 ` Pedro Alves
2014-05-15 8:25 ` Anshuman Khandual
2014-05-15 12:08 ` Pedro Alves
2014-05-16 0:26 ` Michael Neuling
2014-05-19 9:12 ` Anshuman Khandual
2014-05-19 11:46 ` Anshuman Khandual
2014-05-19 14:43 ` Pedro Alves
2014-05-20 8:14 ` Anshuman Khandual
2014-05-20 10:33 ` Pedro Alves
2014-05-22 5:08 ` Anshuman Khandual
2014-05-23 13:57 ` Anshuman Khandual
2014-05-13 17:21 ` Pedro Alves
2014-05-14 5:49 ` Anshuman Khandual
2014-05-22 5:30 ` Michael Ellerman
2014-05-05 7:54 ` [PATCH V2 3/3] powerpc, ptrace: Enable support for miscellaneous registers Anshuman Khandual
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