linux-kernel - Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb) stable/for-linus-5.12)

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Date:   Wed, 23 Jun 2021 08:04:10 +0900
From:   'Dominique MARTINET' <dominique.martinet@...ark-techno.com>
To:     Konrad Rzeszutek Wilk <konrad@...nok.org>
Cc:     Chanho Park <chanho61.park@...sung.com>,
        'Jianxiong Gao' <jxgao@...gle.com>,
        'Christoph Hellwig' <hch@....de>,
        'Konrad Rzeszutek Wilk' <konrad.wilk@...cle.com>,
        'Linus Torvalds' <torvalds@...ux-foundation.org>,
        'Horia Geantă' <horia.geanta@....com>,
        linux-kernel@...r.kernel.org, 'Lukas Hartmann' <lukas@...mn.com>,
        'Aymen Sghaier' <aymen.sghaier@....com>,
        'Herbert Xu' <herbert@...dor.apana.org.au>,
        "'David S. Miller'" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, iommu@...ts.linux-foundation.org,
        'Marc Orr' <marcorr@...gle.com>,
        'Erdem Aktas' <erdemaktas@...gle.com>,
        'Peter Gonda' <pgonda@...gle.com>,
        'Bumyong Lee' <bumyong.lee@...sung.com>
Subject: Re: swiotlb/caamjr regression (Was: [GIT PULL] (swiotlb)
 stable/for-linus-5.12)

Konrad Rzeszutek Wilk wrote on Tue, Jun 22, 2021 at 05:58:14PM -0400:
> On Tue, Jun 22, 2021 at 04:48:24PM +0900, 'Dominique MARTINET' wrote:
> > Thanks, that should be good.
> > 
> > Do you want me to send a follow-up patch with the two extra checks
> > (tlb_addr & (IO_TLB_SIZE -1)) > swiotlb_align_offset(dev, orig_addr)
> > tlb_offset < alloc_size
> > 
> > or are we certain this can't ever happen?
> 
> I would love more patches and I saw the previous one you posted.
> 
> But we only got two (or one) weeks before the next merge window opens
> so I am sending to Linus the one that was tested with NVMe and crypto
> (see above).
> 
> That is the
> https://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git/commit/?h=stable/for-linus-5.14
> 
> And then after Linus releases the 5.14 - I would love to take your
> cleanup on top of that and test it?

That sounds good to me, will send with proper formatting after release.

-- 
Dominique