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Wed, 25 Feb 2026 08:14:57 +0000 (UTC) Received: from MiWiFi-R3L-srv.redhat.com (unknown [10.72.112.55]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6EC9E1800465; Wed, 25 Feb 2026 08:14:49 +0000 (UTC) From: Baoquan He To: kasan-dev@googlegroups.com Cc: linux-mm@kvack.org, andreyknvl@gmail.com, ryabinin.a.a@gmail.com, glider@google.com, dvyukov@google.com, linux-kernel@vger.kernel.org, linux-um@lists.infradead.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, x86@kernel.org, chris@zankel.net, jcmvbkbc@gmail.com, linux-s390@vger.kernel.org, hca@linux.ibm.com, Baoquan He Subject: [PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled' Date: Wed, 25 Feb 2026 16:13:59 +0800 Message-ID: <20260225081412.76502-3-bhe@redhat.com> In-Reply-To: <20260225081412.76502-1-bhe@redhat.com> References: <20260225081412.76502-1-bhe@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 X-Mimecast-MFC-PROC-ID: WZOnLQ-0MddOIO86PvPH-JkHPC4J35HcYTjJFY-BAxs_1772007298 X-Mimecast-Originator: redhat.com Content-type: text/plain Content-Transfer-Encoding: 8bit X-Stat-Signature: n5yzppr7ikegrktpf6drt76paxdyw8rq X-Rspam-User: X-Rspamd-Queue-Id: 3491A1C0004 X-Rspamd-Server: rspam01 X-HE-Tag: 1772007304-890971 X-HE-Meta: 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 urcRHKXv 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: And change it to be a bool variable. This is prepared for later usage. Signed-off-by: Baoquan He --- mm/kasan/hw_tags.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index cbef5e450954..26a69f0d822c 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -22,12 +22,6 @@ #include "kasan.h" -enum kasan_arg { - KASAN_ARG_DEFAULT, - KASAN_ARG_OFF, - KASAN_ARG_ON, -}; - enum kasan_arg_mode { KASAN_ARG_MODE_DEFAULT, KASAN_ARG_MODE_SYNC, @@ -41,7 +35,7 @@ enum kasan_arg_vmalloc { KASAN_ARG_VMALLOC_ON, }; -static enum kasan_arg kasan_arg __ro_after_init; +bool kasan_arg_disabled __ro_after_init; static enum kasan_arg_mode kasan_arg_mode __ro_after_init; static enum kasan_arg_vmalloc kasan_arg_vmalloc __initdata; @@ -88,9 +82,9 @@ static int __init early_kasan_flag(char *arg) return -EINVAL; if (!strcmp(arg, "off")) - kasan_arg = KASAN_ARG_OFF; + kasan_arg_disabled = true; else if (!strcmp(arg, "on")) - kasan_arg = KASAN_ARG_ON; + kasan_arg_disabled = false; else return -EINVAL; @@ -222,7 +216,7 @@ void kasan_init_hw_tags_cpu(void) * When this function is called, kasan_flag_enabled is not yet * set by kasan_init_hw_tags(). Thus, check kasan_arg instead. */ - if (kasan_arg == KASAN_ARG_OFF) + if (kasan_arg_disabled) return; /* @@ -240,7 +234,7 @@ void __init kasan_init_hw_tags(void) return; /* If KASAN is disabled via command line, don't initialize it. */ - if (kasan_arg == KASAN_ARG_OFF) + if (kasan_arg_disabled) return; switch (kasan_arg_mode) { -- 2.52.0