linux-kernel - Re: [PATCH 4/4] powerpc/livepatch: return -ERRNO values in save_stack_trace_tsk

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Date:   Sat, 2 Feb 2019 11:59:28 +1100
From:   Balbir Singh <bsingharora@...il.com>
To:     Joe Lawrence <joe.lawrence@...hat.com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        live-patching@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicolai Stange <nstange@...e.de>, Torsten Duwe <duwe@....de>
Subject: Re: [PATCH 4/4] powerpc/livepatch: return -ERRNO values in
 save_stack_trace_tsk_reliable()

On Tue, Jan 22, 2019 at 10:57:24AM -0500, Joe Lawrence wrote:
> To match its x86 counterpart, save_stack_trace_tsk_reliable() should
> return -EINVAL in cases that it is currently returning 1.  No caller is
> currently differentiating non-zero error codes, but let's keep the
> arch-specific implementations consistent.
> 
> Signed-off-by: Joe Lawrence <joe.lawrence@...hat.com>

Seems straight forward

Acked-by: Balbir Singh <bsingharora@...il.com>