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From: Uladzislau Rezki <urezki@gmail.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Daniel Wagner <dwagner@suse.de>,
	Uladzislau Rezki <urezki@gmail.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-rt-users@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] mm: vmalloc: Use the vmap_area_lock to protect ne_fit_preload_node
Date: Mon, 7 Oct 2019 18:23:30 +0200	[thread overview]
Message-ID: <20191007162330.GA26503@pc636> (raw)
In-Reply-To: <20191007105631.iau6zhxqjeuzajnt@linutronix.de>

Hello, Daniel, Sebastian.

> > 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.
> 
Yes that is a bit messy :) Then i do not see what that patch fixes in
mainline? Instead it will just add an extra blocking, i did not want that
therefore used preempt_enable/disable. But, when i saw this patch i got it
as a preparation of PREEMPT_RT merging work.

--
Vlad Rezki

  reply	other threads:[~2019-10-07 16:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-03  9:09 [PATCH] mm: vmalloc: Use the vmap_area_lock to protect ne_fit_preload_node Daniel Wagner
2019-10-03 11:55 ` Uladzislau Rezki
2019-10-04 15:37 ` Sebastian Andrzej Siewior
2019-10-04 16:20   ` Uladzislau Rezki
2019-10-04 16:30     ` Sebastian Andrzej Siewior
2019-10-04 17:04       ` Uladzislau Rezki
2019-10-04 17:45         ` Sebastian Andrzej Siewior
2019-10-07  8:30       ` Daniel Wagner
2019-10-07 10:56         ` Sebastian Andrzej Siewior
2019-10-07 16:23           ` Uladzislau Rezki [this message]
2019-10-07 16:34             ` Daniel Wagner
2019-10-07 16:56               ` Uladzislau Rezki
2019-10-07 17:22                 ` Daniel Wagner
2019-10-07 17:36                 ` Sebastian Andrzej Siewior
2019-10-07 21:44                   ` Uladzislau Rezki
2019-10-08 16:04                     ` Uladzislau Rezki
2019-10-09  6:05                       ` Daniel Wagner
2019-10-09  9:47                         ` Uladzislau Rezki
2019-10-07  8:27   ` Daniel Wagner

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