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From: "Christoph Lameter (Ampere)" <cl@linux.com>
To: Yang Shi <yang@os.amperecomputing.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	will@kernel.org,  scott@os.amperecomputing.com,
	linux-arm-kernel@lists.infradead.org,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: mm: force write fault for atomic RMW instructions
Date: Mon, 13 May 2024 15:41:51 -0700 (PDT)	[thread overview]
Message-ID: <8c6cc22a-5e24-ede5-94d9-06064a68403d@linux.com> (raw)
In-Reply-To: <6066e0da-f00a-40fd-a5e2-d4d78786c227@os.amperecomputing.com>

On Fri, 10 May 2024, Yang Shi wrote:

> Yeah, I'm confused too. Triggering write fault in the first place should be 
> fine, right? Can we update the spec?

That is certainly the best solution. Howver, there is a large base of 
machines out there now with this issue.


  reply	other threads:[~2024-05-13 22:41 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-07 22:35 Yang Shi
2024-05-08  6:45 ` Anshuman Khandual
2024-05-08 17:15   ` Christoph Lameter (Ampere)
2024-05-09  4:23     ` Anshuman Khandual
2024-05-13 22:39       ` Christoph Lameter (Ampere)
2024-05-08 18:37   ` Yang Shi
2024-05-09  4:31     ` Anshuman Khandual
2024-05-09 21:46       ` Yang Shi
2024-05-10  4:28         ` Anshuman Khandual
2024-05-10 16:37           ` Yang Shi
2024-05-10 12:11 ` Catalin Marinas
2024-05-10 17:13   ` Yang Shi
2024-05-13 22:41     ` Christoph Lameter (Ampere) [this message]
2024-05-14 10:39     ` Catalin Marinas
2024-05-14 15:57       ` David Hildenbrand
2024-05-17 16:30       ` Yang Shi
2024-05-17 17:25         ` Catalin Marinas
2024-05-17 17:35           ` Yang Shi
2024-05-14  3:19   ` Yang Shi
2024-05-14 10:53     ` Catalin Marinas
2024-05-17 16:10       ` Yang Shi

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