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Date: Fri, 21 May 2021 17:00:36 -0300
From: Matheus Castanho <>
To: Florian Weimer <>
Cc: Matheus Castanho via Libc-alpha <>,
 Piggin <>,,
        "Dmitry V. Levin"
Subject: Re: Linux powerpc new system call instruction and ABI

Florian Weimer <> writes:

> * Matheus Castanho via Libc-alpha:
>> From: Nicholas Piggin <>
>> 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 <>
> 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.


Matheus Castanho

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