linux-kernel - Re: [PATCH 4.19 60/97] lib/stackdepot: Fix outdated comments

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Date:   Fri, 28 Feb 2020 14:24:55 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@...x.de>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Miles Chen <miles.chen@...iatek.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 60/97] lib/stackdepot: Fix outdated comments

On Fri, Feb 28, 2020 at 02:05:33PM +0100, Pavel Machek wrote:
> Hi!
> 
> > [ Upstream commit ee050dc83bc326ad5ef8ee93bca344819371e7a5 ]
> > 
> > Replace "depot_save_stack" with "stack_depot_save" in code comments because
> > depot_save_stack() was replaced in commit c0cfc337264c ("lib/stackdepot:
> > Provide functions which operate on plain storage arrays") and removed in
> > commit 56d8f079c51a ("lib/stackdepot: Remove obsolete functions")
> 
> This is wrong.
> 
> > +++ b/lib/stackdepot.c
> > @@ -96,7 +96,7 @@ static bool init_stack_slab(void **prealloc)
> >  		stack_slabs[depot_index + 1] = *prealloc;
> >  		/*
> >  		 * This smp_store_release pairs with smp_load_acquire() from
> > -		 * |next_slab_inited| above and in depot_save_stack().
> > +		 * |next_slab_inited| above and in stack_depot_save().
> >  		 */
> >  		smp_store_release(&next_slab_inited, 1);
> >  	}
> 
> May have been outdated for mainline, but they are actually okay for
> 4.19.

Good catch, I'll go drop this from the stable queues (4.14, 4.9, and 4.19).

greg k-h