linux-kernel - Re: [GIT PULL] (swiotlb) stable/for-linus-5.15

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Message-ID: <CAHk-=wiGs=YDah3mBfi5A0Vh7OMeLfk3yOw219nvRAeghLmHGg@mail.gmail.com>
Date:   Fri, 3 Sep 2021 10:37:10 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Christoph Hellwig <hch@...radead.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Claire Chang <tientzu@...omium.org>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Will Deacon <will@...nel.org>, pasic@...ux.ibm.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT PULL] (swiotlb) stable/for-linus-5.15

On Fri, Sep 3, 2021 at 6:51 AM Robin Murphy <robin.murphy@....com> wrote:
>
> > "essentially"? "shouldn't be expected"? I'm not getting a lot of warm
> > and fuzzies from that. I'd like to have something a bit more concrete.
>
> As above, upstream Kconfigs do prevent any possible overlap at the
> moment (with "swiotlb: use depends on for DMA_RESTRICTED_POOL" fixing
> the bug which inadvertently made SWIOTLB user-selectable).

Ok. I've done the merge, I do hope that this code can be clarified at
some point in the future.

             Linus