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Tue, 02 Dec 2025 08:13:35 -0500 X-MC-Unique: q8bW6AE0Mo2R_347Dw_DuA-1 X-Mimecast-MFC-AGG-ID: q8bW6AE0Mo2R_347Dw_DuA_1764681211 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 61C7C1977016; Tue, 2 Dec 2025 13:13:23 +0000 (UTC) Received: from localhost (unknown [10.72.112.62]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id C472918009A9; Tue, 2 Dec 2025 13:13:20 +0000 (UTC) Date: Tue, 2 Dec 2025 21:13:14 +0800 From: Baoquan He To: Johannes Berg Cc: linux-mm@kvack.org, ryabinin.a.a@gmail.com, andreyknvl@gmail.com, glider@google.com, dvyukov@google.com, vincenzo.frascino@arm.com, akpm@linux-foundation.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, elver@google.com, sj@kernel.org, lorenzo.stoakes@oracle.com, snovitoll@gmail.com, christophe.leroy@csgroup.eu, linux-um@lists.infradead.org Subject: Re: [PATCH v4 11/12] arch/um: don't initialize kasan if it's disabled Message-ID: References: <20251128033320.1349620-1-bhe@redhat.com> <20251128033320.1349620-12-bhe@redhat.com> <86d982368a85ab9dde17e52b45e77f5f76efea08.camel@sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86d982368a85ab9dde17e52b45e77f5f76efea08.camel@sipsolutions.net> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Rspam-User: X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 3F6B740018 X-Stat-Signature: ewzdgdo6rdhb9homekcoxofhenriw6gx X-HE-Tag: 1764681219-255586 X-HE-Meta: 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 d74tEsD4 O8GtrvK/XCVTQReZSrSSyqhMJvXrZkRnlqSD1mEN+3le8xYsRLXjcwSUTilOsMYKkMZ9ZHtFRftuiHeQsRjbD66q3rXMjCkbaIe70q1aCLQQNTzIdQywY/7RG2Hs/S1Q6mxzhcdbKQothNR9xBxnxA8VK7s3dbuEgCl1rUf7tpCyAaPU2i2vy2Jo5jA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 12/01/25 at 11:56am, Johannes Berg wrote: > On Fri, 2025-11-28 at 11:33 +0800, Baoquan He wrote: > > And also do the kasan_arg_disabled chekcing before kasan_flag_enabled > ^^^^^^^^ > > typo Thanks, will fix. > > > enabling to make sure kernel parameter kasan=on|off has been parsed. > > But I'm not sure how to understand that sentence. > > And I have no idea what to do with this patch, with it being random CC > of the middle of the series. Sorry for the inconvenience. I am worried several rounds of posting could bomb receivers's mail box, so only add arch's mailing list to CC in each arch's relevant patch. The whole patchset can be found at below link. And the whole patchset are sent to linux-mm, lkml and kexec mailing lists if subscribed any of them. [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three modes https://lore.kernel.org/all/20251128033320.1349620-1-bhe@redhat.com/T/#u Thanks Baoquan