linux-kernel - Re: [PATCH 04/10] swiotlb: Use free_decrypted

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Message-ID: <e1ab3ef46ae79d1282ff327dde8cbda76e306659.camel@intel.com>
Date:   Wed, 1 Nov 2023 14:40:24 +0000
From:   "Edgecombe, Rick P" <rick.p.edgecombe@...el.com>
To:     "petr@...arici.cz" <petr@...arici.cz>
CC:     "Lutomirski, Andy" <luto@...nel.org>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
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        "robin.murphy@....com" <robin.murphy@....com>,
        "Reshetova, Elena" <elena.reshetova@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Christopherson,, Sean" <seanjc@...gle.com>,
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        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        "x86@...nel.org" <x86@...nel.org>
Subject: Re: [PATCH 04/10] swiotlb: Use free_decrypted_pages()

On Wed, 2023-11-01 at 07:27 +0100, Petr Tesařík wrote:
> I'm sorry I missed that free_decrypted_pages() is added by the very
> same series, so I cannot use it just yet. I can open-code it and let
> you convert the code to the new function. You may then also want to
> convert another open-coded instance further down in
> swiotlb_free_tlb().
> 
> In any case, there is an interdependency between the two patches, so
> we
> should agree in which order to apply them.

Open coding in the callers is the current plan (see an explanation
after the "---" in the v1 of that patch[0] if you are interested).
There might not be any interdependency between the the warning and
swiotlb changes, but I can double check if you CC me.


[0]
https://lore.kernel.org/lkml/20231024234829.1443125-1-rick.p.edgecombe@intel.com/