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From: Andreas Herrmann <herrmann.der.user@googlemail.com>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Bolle <pebolle@tiscali.nl>,
	linux-mips@linux-mips.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] MIPS: cavium-octeon: remove checks for CONFIG_CAVIUM_GDB
Date: Fri, 23 May 2014 23:37:01 +0200	[thread overview]
Message-ID: <20140523213701.GD23153@alberich> (raw)
In-Reply-To: <20140522132645.GC10287@linux-mips.org>

On Thu, May 22, 2014 at 03:26:45PM +0200, Ralf Baechle wrote:
> On Tue, May 20, 2014 at 06:16:14PM +0200, Paul Bolle wrote:
> 
> > Three checks for CONFIG_CAVIUM_GDB were added in v2.6.29. But the
> > Kconfig symbol CAVIUM_GDB was never added to the tree. Remove these
> > checks.
> > 
> > Also remove the last reference to octeon_get_boot_debug_flag(). There is
> > no definition of that function anyway.
> > 
> > Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
> 
> Queued for 3.16.  Thanks Paul & Andreas!
> 
> > A follow up might be to remove plat_smp_ops.cpus_done. All these
> > callbacks are now (basically) nops.
> 
> I'll think about it.  The hook is no useful if unused then again now and
> then ordering issues in SMP startup of secondary CPUs are showing up and
> it may be useful to solve those.  Maybe something like
> 
> void __init smp_cpus_done(unsigned int max_cpus)
> {
> - 	mp_ops->cpus_done();
> + 	if (cpus_done)
> + 		mp_ops->cpus_done();
> }
> 
> which would make a NULL cpus_done function pointer safe and allow empty definitions
> to be removed.

I'd prefer this solution over complete removal of the hook.


Andreas

  reply	other threads:[~2014-05-23 21:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-20 16:16 [PATCH] MIPS: cavium-octeon: remove checks for CONFIG_CAVIUM_GDB Paul Bolle
2014-05-21 20:27 ` Andreas Herrmann
2014-05-21 20:44   ` Paul Bolle
2014-05-22 13:26 ` Ralf Baechle
2014-05-23 21:37   ` Andreas Herrmann [this message]
2014-05-27  9:05     ` Ralf Baechle

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