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Date: Fri, 21 May 2021 17:00:36 -0300
From: Matheus Castanho <msc@...ux.ibm.com>
To: Florian Weimer <fweimer@...hat.com>
Cc: Matheus Castanho via Libc-alpha <libc-alpha@...rceware.org>,
Nicholas
Piggin <npiggin@...il.com>, musl@...ts.openwall.com,
"Dmitry V. Levin"
<ldv@...linux.org>, linux-api@...r.kernel.org,
libc-dev@...ts.llvm.org, linuxppc-dev@...ts.ozlabs.org
Subject: Re: Linux powerpc new system call instruction and ABI
Florian Weimer <fweimer@...hat.com> writes:
> * Matheus Castanho via Libc-alpha:
>
>> From: Nicholas Piggin <npiggin@...il.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@...ux.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.
Thanks
--
Matheus Castanho
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