linux-kernel - Re: [PATCH] mm: vmalloc: Use the vmap_area_lock to protect ne_fit_preload

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Date:   Mon, 7 Oct 2019 12:56:31 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Daniel Wagner <dwagner@...e.de>
Cc:     Uladzislau Rezki <urezki@...il.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] mm: vmalloc: Use the vmap_area_lock to protect
 ne_fit_preload_node

On 2019-10-07 10:30:37 [+0200], Daniel Wagner wrote:
> Hi,
Hi Daniel,

> On Fri, Oct 04, 2019 at 06:30:42PM +0200, Sebastian Andrzej Siewior wrote:
> > On 2019-10-04 18:20:41 [+0200], Uladzislau Rezki wrote:
> > > If we have migrate_disable/enable, then, i think preempt_enable/disable
> > > should be replaced by it and not the way how it has been proposed
> > > in the patch.
> > 
> > I don't think this patch is appropriate for upstream.
> 
> Yes, I agree. The discussion made this clear, this is only for -rt
> trees. Initially I though this should be in mainline too.

Sorry, this was _before_ Uladzislau pointed out that you *just* moved
the lock that was there from the beginning. I missed that while looking
over the patch. Based on that I don't think that this patch is not
appropriate for upstream.

> Thanks,
> Daniel

Sebastian