Linux powerpc new system call instruction and ABI
Florian Weimer
fweimer@redhat.com
Fri May 21 19:52:51 GMT 2021
* 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).
Thanks,
Florian
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