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Date: Fri, 21 May 2021 21:52:51 +0200
From: Florian Weimer <>
To: Matheus Castanho via Libc-alpha <>
Cc: Nicholas Piggin <>,  Matheus Castanho
 <>,,  "Dmitry V. Levin"
Subject: Re: Linux powerpc new system call instruction and ABI

* 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).


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