linux-kernel - RE: [RESEND PATCH v8 00/11] Fix BUG_ON in vfio_iommu_group

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Message-ID: <BN9PR11MB5276B0B40AF2283962793F6F8CCA9@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Fri, 13 May 2022 08:13:55 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Jason Gunthorpe <jgg@...dia.com>, Joerg Roedel <joro@...tes.org>
CC:     Qian Cai <quic_qiancai@...cinc.com>,
        "iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Alex Williamson <alex.williamson@...hat.com>
Subject: RE: [RESEND PATCH v8 00/11] Fix BUG_ON in vfio_iommu_group_notifier()

> From: Jason Gunthorpe
> Sent: Tuesday, May 10, 2022 2:33 AM
> 
> On Wed, May 04, 2022 at 01:57:05PM +0200, Joerg Roedel wrote:
> > On Wed, May 04, 2022 at 08:51:35AM -0300, Jason Gunthorpe wrote:
> > > Nicolin and Eric have been testing with this series on ARM for a long
> > > time now, it is not like it is completely broken.
> >
> > Yeah, I am also optimistic this can be fixed soon. But the rule is that
> > the next branch should only contain patches which I would send to Linus.
> > And with a known issue in it I wouldn't, so it is excluded at least from
> > my next branch for now. The topic branch is still alive and I will merge
> > it again when the fix is in.
> 
> The fix is out, lets merge it back in so we can have some more time to
> discover any additional issues. People seem to test when it is in your
> branch.
> 

Joerg, any chance you may give it a priority? This is the first step of
a long refactoring effort and it has been gating quite a few
well-reviewed improvements down the road. having it tested earlier
in your branch is definitely appreciated. 😊

Thanks
Kevin