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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Davide Caratti <dcaratti@redhat.com>
Cc: Saravana Kannan <saravanak@google.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Vladimir Benes <vbenes@redhat.com>,
	kernel-team@android.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/3] driver core: Skip unnecessary work when device doesn't have sync_state()
Date: Wed, 25 Mar 2020 08:44:28 +0100	[thread overview]
Message-ID: <20200325074428.GA3014101@kroah.com> (raw)
In-Reply-To: <f22b7cd6fb6256f56e908e021f4fe389f3a6ee07.camel@redhat.com>

On Tue, Mar 24, 2020 at 09:03:28PM +0100, Davide Caratti wrote:
> On Fri, 2020-02-21 at 00:05 -0800, Saravana Kannan wrote:
> > A bunch of busy work is done for devices that don't have sync_state()
> > support. Stop doing the busy work.
> > 
> > Signed-off-by: Saravana Kannan <saravanak@google.com>
> > ---
> >  drivers/base/core.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> 
> hello Greg,
> 
> this patch and patch 2/3 of the same series proved to fix systematic
> crashes (NULL pointer dereference in device_links_flush_sync_list() while
> loading mac80211_hwsim.ko, see [1]) on Fedora 31, that are triggered by
> NetworkManager-ci [2]. May I ask to queue these two patches for the next
> 5.5 stable?

What are the git commit ids of these patches in Linus's tree that you
want backported?

thanks,

greg k-h

  parent reply	other threads:[~2020-03-25  7:44 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-21  8:05 [PATCH v2 0/3] driver core: sync state fixups Saravana Kannan
2020-02-21  8:05 ` [PATCH v2 1/3] driver core: Call sync_state() even if supplier has no consumers Saravana Kannan
2020-02-21  9:25   ` Greg Kroah-Hartman
2020-02-21  9:48     ` Saravana Kannan
2020-02-21 10:32       ` Greg Kroah-Hartman
2020-02-21 16:00         ` Saravana Kannan
2020-02-21  8:05 ` [PATCH v2 2/3] driver core: Add dev_has_sync_state() Saravana Kannan
2020-02-21  8:05 ` [PATCH v2 3/3] driver core: Skip unnecessary work when device doesn't have sync_state() Saravana Kannan
2020-03-24 20:03   ` Davide Caratti
2020-03-24 20:14     ` Saravana Kannan
2020-03-25  7:44     ` Greg Kroah-Hartman [this message]
2020-03-25  9:11       ` Davide Caratti
2020-03-25  9:17         ` Greg Kroah-Hartman
2020-03-04 12:49 ` [PATCH v2 0/3] driver core: sync state fixups Greg Kroah-Hartman

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