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From: Matheus Castanho <msc@linux.ibm.com>
To: Matheus Castanho <msc@linux.ibm.com>
Cc: "Dmitry V. Levin" <ldv@altlinux.org>,
	Florian Weimer <fweimer@redhat.com>,
	Matheus Castanho via Libc-alpha <libc-alpha@sourceware.org>,
	linux-api@vger.kernel.org, musl@lists.openwall.com,
	Nicholas Piggin <npiggin@gmail.com>,
	libc-dev@lists.llvm.org, linuxppc-dev@lists.ozlabs.org
Subject: [musl] Re: Linux powerpc new system call instruction and ABI
Date: Mon, 24 May 2021 17:33:24 -0300	[thread overview]
Message-ID: <87im3727or.fsf@linux.ibm.com> (raw)
In-Reply-To: <87a6ok2uxx.fsf@linux.ibm.com>


Matheus Castanho <msc@linux.ibm.com> writes:

> Dmitry V. Levin <ldv@altlinux.org> writes:
>
>> On Fri, May 21, 2021 at 05:00:36PM -0300, Matheus Castanho wrote:
>>> Florian Weimer <fweimer@redhat.com> writes:
>>> > * Matheus Castanho via Libc-alpha:
>>> >> From: Nicholas Piggin <npiggin@gmail.com>
>>> >> Subject: [PATCH 1/1] powerpc: Fix handling of scv return error codes
>>> >>
>>> >> When using scv on templated ASM syscalls, current code interprets any
>>> >> negative return value as error, but the only valid error codes are in
>>> >> the range -4095..-1 according to the ABI.
>>> >>
>>> >> Reviewed-by: Matheus Castanho <msc@linux.ibm.com>
>>> >
>>> > Please reference bug 27892 in the commit message.  I'd also appreciate a
>>> > backport to the 2.33 release branch (where you need to add NEWS manually
>>> > to add the bug reference).
>>>
>>> No problem. [BZ #27892] appended to the commit title. I'll make sure to
>>> backport to 2.33 as well.
>>
>> Could you also mention in the commit message that the change fixes
>> 'signal.gen.test' strace test where it was observed initially?
>
> Sure, no problem. I'll commit it later today.

Since the patch falls into the less-than-15-LOC category and this is
Nick's first contribution to glibc, looks like he doesn't need a
copyright assignment.

Pushed to master as 7de36744ee1325f35d3fe0ca079dd33c40b12267

Backported to 2.33 via commit 0ef0e6de7fdfa18328b09ba2afb4f0112d4bdab4

Thanks,
Matheus Castanho

  reply	other threads:[~2021-05-24 20:33 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-11  8:12 [musl] " Nicholas Piggin
2020-06-11  8:12 ` [musl] [PATCH 1/2] powerpc/64s/exception: treat NIA below __end_interrupts as soft-masked Nicholas Piggin
2020-07-24 13:25   ` [musl] " Michael Ellerman
2020-06-11  8:12 ` [musl] [PATCH 2/2] powerpc/64s: system call support for scv/rfscv instructions Nicholas Piggin
2020-07-23  6:47   ` [musl] " Michael Ellerman
2020-07-23 16:48     ` Christophe Leroy
2020-07-24 10:45       ` Michael Ellerman
2020-06-11 21:02 ` [musl] Re: Linux powerpc new system call instruction and ABI Segher Boessenkool
2020-06-14  9:26   ` Nicholas Piggin
2021-05-18 23:13 ` Dmitry V. Levin
2021-05-19  2:50   ` Nicholas Piggin
2021-05-19  5:01     ` Nicholas Piggin
2021-05-21 19:40       ` Matheus Castanho
2021-05-21 19:52         ` Florian Weimer
2021-05-21 20:00           ` Matheus Castanho
2021-05-21 20:52             ` Dmitry V. Levin
2021-05-24 12:11               ` Matheus Castanho
2021-05-24 20:33                 ` Matheus Castanho [this message]
2021-05-19 10:24     ` Dmitry V. Levin
2021-05-19 10:59       ` Nicholas Piggin
2021-05-19 12:39         ` Tulio Magno Quites Machado Filho
2021-05-19 13:26         ` Dmitry V. Levin
2021-05-19 22:51           ` Nicholas Piggin
2021-05-19 23:27             ` Dmitry V. Levin
2021-05-20  2:40               ` Nicholas Piggin
2021-05-20  3:06                 ` Dmitry V. Levin
2021-05-20  5:12                   ` Nicholas Piggin
2021-05-19  7:33   ` Joakim Tjernlund
2021-05-19  7:55     ` Nicholas Piggin
2021-05-19  8:08       ` Joakim Tjernlund
2021-05-19  8:42         ` Nicholas Piggin
2021-05-19 11:12           ` Nicholas Piggin
2021-05-19 14:38           ` Segher Boessenkool
2021-05-19 15:06             ` Joakim Tjernlund
2021-05-19 15:22               ` Segher Boessenkool
2021-05-19 15:36                 ` Rich Felker
2021-05-19 18:09                 ` Joakim Tjernlund
2021-05-19 23:48                   ` Rich Felker
2021-05-20  1:06                     ` Dmitry V. Levin
2021-05-20  2:45                       ` Nicholas Piggin
2021-05-20  2:59                         ` Dmitry V. Levin
2021-05-20  7:20                           ` Nicholas Piggin

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