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[178.90.89.143]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-55b889a290fsm1976379e87.54.2025.08.05.07.26.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Aug 2025 07:26:46 -0700 (PDT) From: Sabyrzhan Tasbolatov To: ryabinin.a.a@gmail.com, hca@linux.ibm.com, christophe.leroy@csgroup.eu, andreyknvl@gmail.com, agordeev@linux.ibm.com, akpm@linux-foundation.org, zhangqing@loongson.cn, chenhuacai@loongson.cn, trishalfonso@google.com, davidgow@google.com Cc: glider@google.com, dvyukov@google.com, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-um@lists.infradead.org, linux-mm@kvack.org, snovitoll@gmail.com Subject: [PATCH v4 8/9] kasan/s390: call kasan_init_generic in kasan_init Date: Tue, 5 Aug 2025 19:26:21 +0500 Message-Id: <20250805142622.560992-9-snovitoll@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250805142622.560992-1-snovitoll@gmail.com> References: <20250805142622.560992-1-snovitoll@gmail.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Call kasan_init_generic() which handles Generic KASAN initialization and prints the banner. Since s390 doesn't select ARCH_DEFER_KASAN, kasan_enable() will be a no-op, and kasan_enabled() will return IS_ENABLED(CONFIG_KASAN) for optimal compile-time behavior. s390 sets up KASAN mappings in the decompressor and can run with KASAN enabled from very early, so it doesn't need runtime control. Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217049 Signed-off-by: Sabyrzhan Tasbolatov --- arch/s390/kernel/early.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 9adfbdd377d..544e5403dd9 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -21,6 +21,7 @@ #include #include #include +#include #include #include #include @@ -65,7 +66,7 @@ static void __init kasan_early_init(void) { #ifdef CONFIG_KASAN init_task.kasan_depth = 0; - pr_info("KernelAddressSanitizer initialized\n"); + kasan_init_generic(); #endif } -- 2.34.1