Re: [PATCH] swsusp: Disable nonboot CPUs before entering platform suspend

[Pavel Machek]

On Fri 2007-03-09 23:34:00, Rafael J. Wysocki wrote:
> On Friday, 9 March 2007 23:13, Pavel Machek wrote:
> > Hi!
> > 
> > > > > Index: linux-2.6.21-rc3/kernel/power/user.c
> > > > > ===================================================================
> > > > > --- linux-2.6.21-rc3.orig/kernel/power/user.c
> > > > > +++ linux-2.6.21-rc3/kernel/power/user.c
> > > > > @@ -402,9 +402,10 @@ static int snapshot_ioctl(struct inode *
> > > > >  
> > > > >  		case PMOPS_ENTER:
> > > > >  			if (data->platform_suspend) {
> > > > > +				disable_nonboot_cpus();
> > > > >  				kernel_shutdown_prepare(SYSTEM_SUSPEND_DISK);
> > > > >  				error = pm_ops->enter(PM_SUSPEND_DISK);
> > > > > -				error = 0;
> > > > > +				enable_nonboot_cpus();
> > > > 
> > > > Why did we discard return code in previous versions? Do we still want
> > > > to do that?
> > > 
> > > I think it was a mistake.
> > 
> > I took a look at git-annotate, and it is yours code, so I assume you
> > are right. ACK, then.
> 
> Thanks!
> 
> BTW, what about the patch at http://lkml.org/lkml/2007/3/8/363?

Seems obviously correct to me (ACK), but I did not have time to test it.

-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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