From: Anshuman Khandual <khandual@linux•vnet.ibm.com>
To: Pedro Alves <palves@redhat•com>
Cc: mikey@neuling•org, avagin@openvz•org,
linux-kernel@vger•kernel.org, oleg@redhat•com,
michael@ellerman•id.au, linuxppc-dev@ozlabs•org
Subject: Re: [PATCH V2 2/3] powerpc, ptrace: Enable support for transactional memory register sets
Date: Fri, 23 May 2014 19:27:18 +0530 [thread overview]
Message-ID: <537F53BE.8030105@linux.vnet.ibm.com> (raw)
In-Reply-To: <537D8641.8090600@linux.vnet.ibm.com>
On 05/22/2014 10:38 AM, Anshuman Khandual wrote:
> I agree.
>
>> >
>> > Maybe we should leave this for another day, and have tm_spr_active
>> > return 0 instead of -ENODEV when the machine doesn't have the hardware,
>> > or not install that hook at all. Seems like the effect will be the same,
>> > as the note isn't output if ->get fails.
> Agree. Active hooks which return 0 in case of -ENODEV sounds good to me and shall
> incorporate this in the next version.
>
But from "user_regset_active_fn" definition point of view -ENODEV is the right thing
to do even if we dont use it specifically compared to the return value of 0.
next prev parent reply other threads:[~2014-05-23 13:59 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
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 [this message]
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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