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Message-ID: <1521126196.22221.10.camel@perches.com>
Subject: Re: [PATCH] powerpc: Use common error handling code in
 setup_new_fdt()
From:   Joe Perches <joe@perches.com>
To:     Dan Carpenter <dan.carpenter@oracle.com>,
        Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Cc:     SF Markus Elfring <elfring@users.sourceforge.net>,
        linuxppc-dev@lists.ozlabs.org,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Borislav Petkov <bp@suse.de>,
        Brijesh Singh <brijesh.singh@amd.com>,
        Josh Sklar <sklar@linux.vnet.ibm.com>,
        Kees Cook <keescook@chromium.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Paul Mackerras <paulus@samba.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        LKML <linux-kernel@vger.kernel.org>,
        kernel-janitors@vger.kernel.org
Date:   Thu, 15 Mar 2018 08:03:16 -0700
In-Reply-To: <20180315115753.rjejlkrp3fhdxbyk@mwanda>
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         <87fu52jqtc.fsf@morokweng.localdomain>
         <20180315115753.rjejlkrp3fhdxbyk@mwanda>
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On Thu, 2018-03-15 at 14:57 +0300, Dan Carpenter wrote:
> On Wed, Mar 14, 2018 at 06:22:07PM -0300, Thiago Jung Bauermann wrote:
> > 
> > SF Markus Elfring <elfring@users.sourceforge.net> writes:
> > 
> > > From: Markus Elfring <elfring@users.sourceforge.net>
> > > Date: Sun, 11 Mar 2018 09:03:42 +0100
> > > 
> > > Add a jump target so that a bit of exception handling can be better reused
> > > at the end of this function.
> > > 
> > > This issue was detected by using the Coccinelle software.
> > > 
> > > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> > > ---
> > >  arch/powerpc/kernel/machine_kexec_file_64.c | 28 ++++++++++++----------------
> > >  1 file changed, 12 insertions(+), 16 deletions(-)
> > 
> > I liked it. Thanks!
> > 
> > Reviewed-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
> > 
> 
> You know that compilers already re-use string constants so this doesn't
> actually save memory?

And modern compilers create their own jump labels
so this doesn't change object code either?