linux-kernel - Re: [PATCH v2 5/8] powerpc/ftrace: Use generic ftrace_modify_all

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Message-ID: <20160301100845.GC13436@linux.vnet.ibm.com>
Date:	Tue, 1 Mar 2016 15:38:46 +0530
From:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...abs.org, bsingharora@...il.com, duwe@....de,
	linux-kernel@...r.kernel.org, rostedt@...dmis.org,
	pmladek@...e.com, jeyu@...hat.com, jkosina@...e.cz,
	live-patching@...r.kernel.org, mbenes@...e.cz
Subject: Re: [PATCH v2 5/8] powerpc/ftrace: Use generic
 ftrace_modify_all_code()

* Michael Ellerman <mpe@...erman.id.au> [2016-02-29 20:26:26]:

> From: Torsten Duwe <duwe@....de>
> 
> Convert powerpc's arch_ftrace_update_code() from its own version to use
> the generic default functionality (without stop_machine -- our
> instructions are properly aligned and the replacements atomic).
> 
> With this we gain error checking and the much-needed function_trace_op
> handling.
> 
> Reviewed-by: Balbir Singh <bsingharora@...il.com>
> Signed-off-by: Torsten Duwe <duwe@...e.de>
> Signed-off-by: Michael Ellerman <mpe@...erman.id.au>

Reviewed-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>