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Date: Thu, 28 Nov 2019 17:51:47 +0100
From: Vasily Gorbik <gor@linux.ibm.com>
Subject: Re: [PATCH v3 1/4] s390/unwind: drop unnecessary code around calling
 ftrace_graph_ret_addr()
References: <20191106095601.29986-1-mbenes@suse.cz>
 <20191106095601.29986-2-mbenes@suse.cz>
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Sender: linux-s390-owner@vger.kernel.org
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To: Miroslav Benes <mbenes@suse.cz>
Cc: heiko.carstens@de.ibm.com, borntraeger@de.ibm.com, jpoimboe@redhat.com, joe.lawrence@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, jikos@kernel.org, pmladek@suse.com, nstange@suse.de, live-patching@vger.kernel.org

On Wed, Nov 06, 2019 at 10:55:58AM +0100, Miroslav Benes wrote:
> The current code around calling ftrace_graph_ret_addr() is ifdeffed and
> also tests if ftrace redirection is present on stack.
> ftrace_graph_ret_addr() however performs the test internally and there
> is a version for !CONFIG_FUNCTION_GRAPH_TRACER as well. The unnecessary
> code can thus be dropped.
> 
> Signed-off-by: Miroslav Benes <mbenes@suse.cz>
> ---
>  arch/s390/kernel/unwind_bc.c | 16 ++++------------
>  1 file changed, 4 insertions(+), 12 deletions(-)

This patch has been picked up from v2 already. It's in Linus tree.