linux-kernel - Re: [PATCH 5.15 000/124] 5.15.36-rc1 review

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Date:   Tue, 26 Apr 2022 20:38:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     John Donnelly <John.p.donnelly@...cle.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        slade@...dewatkins.com, Waiman Long <longman@...hat.com>
Subject: Re: [PATCH 5.15 000/124] 5.15.36-rc1 review

On Tue, Apr 26, 2022 at 12:24:24PM -0500, John Donnelly wrote:
> On 4/26/22 12:52 PM, Greg Kroah-Hartman wrote:
> > On Tue, Apr 26, 2022 at 12:37:21PM -0500, john.p.donnelly@...cle.com wrote:
> > > 76723ed1fb89 2021-12-01 | locking/rwsem: Make handoff bit handling more
> > > consistent
> > > 
> > > In Linux 5.15.y.
> > 
> > That commit is in 5.15.6, released December 1, 2021.  And this just now
> > shows up?  How is this related to 5.15.36-rc1?
> 
> Hi,
> 
> This  was briefly discussed in :
> 
> Re: [PATCH v5] locking/rwsem: Make handoff bit handling more consistent

Have a lore.kernel.org link?  Why not continue it there?

> Additional testing shows the rwsem hang still exists.  It takes a 24hr fio
> soak test to show up.
> 
> It likely still exists in Linux 5.18.y too. We will be testing that in the
> future as time permits.

Can you test 5.17.y also as there is no 5.18.y yet :)

thanks,

greg k-h