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From: Vasily Gorbik <gor@linux.ibm.com>
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
Subject: Re: [PATCH v3 1/4] s390/unwind: drop unnecessary code around calling ftrace_graph_ret_addr()
Date: Thu, 28 Nov 2019 17:51:47 +0100
Message-ID: <your-ad-here.call-01574959907-ext-0700@work.hours> (raw)
In-Reply-To: <20191106095601.29986-2-mbenes@suse.cz>

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.


  reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-06  9:55 [PATCH v3 0/4] s390/livepatch: Implement reliable stack tracing for the consistency model Miroslav Benes
2019-11-06  9:55 ` [PATCH v3 1/4] s390/unwind: drop unnecessary code around calling ftrace_graph_ret_addr() Miroslav Benes
2019-11-28 16:51   ` Vasily Gorbik [this message]
2019-11-06  9:55 ` [PATCH v3 2/4] s390/unwind: split unwind_next_frame() to several functions Miroslav Benes
2019-11-06  9:56 ` [PATCH v3 3/4] s390/unwind: prepare the unwinding interface for reliable stack traces Miroslav Benes
2019-11-06  9:56 ` [PATCH v3 4/4] s390/livepatch: Implement reliable stack tracing for the consistency model Miroslav Benes
2019-11-29  7:41   ` Vasily Gorbik
2019-11-29  7:41     ` [PATCH v4 1/2] s390/unwind: add stack pointer alignment sanity checks Vasily Gorbik
2019-11-29 18:16       ` Miroslav Benes
2019-11-29  7:41     ` [PATCH v4 2/2] s390/livepatch: Implement reliable stack tracing for the consistency model Vasily Gorbik
2019-11-29 18:16       ` Miroslav Benes
2019-11-29 18:16     ` [PATCH v3 4/4] " Miroslav Benes

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