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Tue, 5 Aug 2025 06:24:07 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.136]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6C6CF1956094; Tue, 5 Aug 2025 06:24:01 +0000 (UTC) From: Baoquan He To: linux-mm@kvack.org Cc: ryabinin.a.a@gmail.com, glider@google.com, andreyknvl@gmail.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, Baoquan He Subject: [PATCH 4/4] mm/kasan: make kasan=on|off take effect for all three modes Date: Tue, 5 Aug 2025 14:23:33 +0800 Message-ID: <20250805062333.121553-5-bhe@redhat.com> In-Reply-To: <20250805062333.121553-1-bhe@redhat.com> References: <20250805062333.121553-1-bhe@redhat.com> MIME-Version: 1.0 Content-type: text/plain Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Stat-Signature: iac7ix7c9yzq8pnm68yj8y558a5xzrib X-Rspamd-Queue-Id: E5612120010 X-Rspamd-Server: rspam10 X-Rspam-User: X-HE-Tag: 1754375055-627614 X-HE-Meta: U2FsdGVkX1/J9+nBHw02ZVmwFlAwPEFWr87G55FYpC51cvHMTRBUUL97WpH/O7KL465yhIgh2NV71EZM5KJbgkDjI8ZdIvR8RPy6tVQPCiuvIImENjBVgnGFWjRziMQSIlkl4Jb+VDZNH+5J6fNNbIJKhizLOvHErnjbq4TScDirvoU9LXSXQhz/lQD4f2dFNOpegGgLhT2yhDrJCYY3awVLrE9HWfW/c5YVMSrX+hV/kh0NSxB2rCPxP4UHX7STQxWIjuC80OMjuDI3iVwSz/LfOAEG0iqnwPRtSYHv6iX9eGAFCPy/fyPuzjMOq+vdnKdS/JyrfzlWbWqKukzaz2arm/AnAvAIYDDmWFtj2lsCGMJDLhad/oRaPawEfZikzbp6tHgZpmq1xn0vLYAv1B4QuEncuDC8eAgfimCUw5Hvd7nEpqksY3D/my8RlKSL8qe2QrVDimIcX0TK3GWSpVOBvvV6kAzS74bVTTgY6kE/8Daa9BJrPWQRpuznfw2C1oz8kTZEF7FFhQ1CUa5+5eav7pTyiIrignPviZrCalf8CzxUcFQqs4es+zmJ37d9NfKsT61gJyOvuu9ZYWpCa7eEDg3B2qttv7KXmNHmdq2mpKjbO/84g9fPcL5/uXXBLgMys1EWhDuzeiMEdqK4uwzzu1a9qi3/EHQ0rTV5m3t8CdEgwGgbt3MEa34jOgKGvLp5sPNksURTI/tie6hL77ap85JoPuDZIq9RdIh9LEEQsWKBvrYYPu6P7ZEGG/zUUHdwIV83OWnBY8rbxsA5tVsipXgh+0L2zPHSx1dx+UJ2UFUyq6tOIbEbYLkv0QlbzEv+fqCRmgugWg9vOggNDDIjA2v6GjZYWZGK67dmKNLSTTCPCER2/cpJOBgNNgodnSMzzfb3lSxwHN9vIEgMOtZwxbJxifPHZ70ln+cX1Cy3GQna1pWdSxzDR8j/NWxUnpGQJf/pWE1QYmCImIi Oi9Gd64K IPG7NojXJ6jynRcAo+7oe6pGsPOj9pdbLCQfqd0psuyrL580qFCR+Vng0RZ1gJzepOAqatCsmguReVylZQ4Anu4CkOuFM4mc4zcYFWxE79QficGprKEqnmxeHjtVws5ejcxAaWC4JDxCFtETBUNWwM+ZBIhUz4/7PgbOzmPVU7vFE32YmCWLnqcDxbe+P0eRvXZc2yPH96dFih02aD/OAHbJre52aQ3Jubk0sl7wllvUj4jgiN/iovDNFnSkdg0feI+OUmL2nmdyJ3a6kv0AILTl4xqbu7lVS2xEe5dV0SfZQrkt77umix6duIyP1gaX3LevKVNzS3swB85hAMYprqVyknVC4+Di1NXXoLt7BShoJWD/Oj9aaATZo94EfInDBI09cOPifCOtJfMlvzSfYjHJ9Yg== 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: Now everything is ready, set kasan=off can disable kasan for all three modes. Signed-off-by: Baoquan He --- include/linux/kasan-enabled.h | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/include/linux/kasan-enabled.h b/include/linux/kasan-enabled.h index 32f2d19f599f..b5857e15ef14 100644 --- a/include/linux/kasan-enabled.h +++ b/include/linux/kasan-enabled.h @@ -8,30 +8,21 @@ extern bool kasan_arg_disabled; DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); -#ifdef CONFIG_KASAN_HW_TAGS - static __always_inline bool kasan_enabled(void) { return static_branch_likely(&kasan_flag_enabled); } +#ifdef CONFIG_KASAN_HW_TAGS static inline bool kasan_hw_tags_enabled(void) { return kasan_enabled(); } - #else /* CONFIG_KASAN_HW_TAGS */ - -static inline bool kasan_enabled(void) -{ - return IS_ENABLED(CONFIG_KASAN); -} - static inline bool kasan_hw_tags_enabled(void) { return false; } - #endif /* CONFIG_KASAN_HW_TAGS */ #endif /* LINUX_KASAN_ENABLED_H */ -- 2.41.0