Re: [PATCH v1 0/5] arm64/mm: uffd write-protect and soft-dirty tracking

From: Catalin Marinas <catalin.marinas@arm.com>
To: Ryan Roberts <ryan.roberts@arm.com>
Cc: David Hildenbrand <david@redhat.com>,
	Shivansh Vij <shivanshvij@outlook.com>,
	Mike Rapoport <rppt@linux.ibm.com>, Will Deacon <will@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Shuah Khan <shuah@kernel.org>, Joey Gouly <joey.gouly@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>
Subject: Re: [PATCH v1 0/5] arm64/mm: uffd write-protect and soft-dirty tracking
Date: Wed, 24 Apr 2024 12:02:11 +0100	[thread overview]
Message-ID: <Zijms8ikH7XiWgEx@arm.com> (raw)
In-Reply-To: <3e14ad32-17da-49fd-a4ac-8f87f9151dba@arm.com>

On Wed, Apr 24, 2024 at 11:39:23AM +0100, Ryan Roberts wrote:
>   - Have a chat with Catalin about appetite for soft-dirty on arm64; But likely
>     that will be left here until/unless there is clear justificaiton that the
>     use case cannot be met with uffd-wp.

I agree, I wouldn't use the last software bit if there's a way for CRIU
to eventually use uffd-wp.

-- 
Catalin