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Date: Tue, 10 Dec 2024 16:08:07 +0000
From: Catalin Marinas <catalin.marinas@arm.com>
To: Donald Dutile <ddutile@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>, Will Deacon <will@kernel.org>,
	ankita@nvidia.com, maz@kernel.org, oliver.upton@linux.dev,
	joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com,
	ryan.roberts@arm.com, shahuang@redhat.com, lpieralisi@kernel.org,
	aniketa@nvidia.com, cjia@nvidia.com, kwankhede@nvidia.com,
	targupta@nvidia.com, vsethi@nvidia.com, acurrid@nvidia.com,
	apopple@nvidia.com, jhubbard@nvidia.com, danw@nvidia.com,
	zhiw@nvidia.com, mochs@nvidia.com, udhoke@nvidia.com,
	dnigam@nvidia.com, alex.williamson@redhat.com,
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	kevin.tian@intel.com, yi.l.liu@intel.com, ardb@kernel.org,
	akpm@linux-foundation.org, gshan@redhat.com, linux-mm@kvack.org,
	kvmarm@lists.linux.dev, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/1] KVM: arm64: Map GPU memory with no struct pages
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References: <20241118131958.4609-1-ankita@nvidia.com>
 <20241210140739.GC15607@willie-the-truck>
 <20241210141806.GI2347147@nvidia.com>
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On Tue, Dec 10, 2024 at 10:56:43AM -0500, Donald Dutile wrote:
> So, I'm not sure I read what is needed to resolve this patch. I read
> Will's reply to split it further and basically along what logical
> lines of functionality; is there still an MTE complexity that has to
> be resolved/included in the series?

Since MTE is still around, the complexity did not go away. But I need to
properly read the patch and Will's comment and page in the whole
discussion from last year.

There's now FEAT_MTE_PERM as well but we don't have those patches in
yet:

https://lore.kernel.org/r/20241028094014.2596619-1-aneesh.kumar@kernel.org/

-- 
Catalin