linux-kernel - [PATCH v3 04/12] kasan/arm64: call kasan_init_generic in kasan

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Message-Id: <20250717142732.292822-5-snovitoll@gmail.com>
Date: Thu, 17 Jul 2025 19:27:24 +0500
From: Sabyrzhan Tasbolatov <snovitoll@...il.com>
To: hca@...ux.ibm.com,
	christophe.leroy@...roup.eu,
	andreyknvl@...il.com,
	agordeev@...ux.ibm.com,
	akpm@...ux-foundation.org
Cc: ryabinin.a.a@...il.com,
	glider@...gle.com,
	dvyukov@...gle.com,
	kasan-dev@...glegroups.com,
	linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	linuxppc-dev@...ts.ozlabs.org,
	linux-riscv@...ts.infradead.org,
	linux-s390@...r.kernel.org,
	linux-um@...ts.infradead.org,
	linux-mm@...ck.org,
	snovitoll@...il.com
Subject: [PATCH v3 04/12] kasan/arm64: call kasan_init_generic in kasan_init

Call kasan_init_generic() which handles Generic KASAN initialization.
Since arm64 doesn't select ARCH_DEFER_KASAN, this will be a no-op for
the runtime flag but will print the initialization banner.

For SW_TAGS and HW_TAGS modes, their respective init functions will
handle the flag enabling.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217049
Signed-off-by: Sabyrzhan Tasbolatov <snovitoll@...il.com>
---
 arch/arm64/mm/kasan_init.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index d541ce45dae..abeb81bf6eb 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -399,14 +399,12 @@ void __init kasan_init(void)
 {
 	kasan_init_shadow();
 	kasan_init_depth();
-#if defined(CONFIG_KASAN_GENERIC)
+	kasan_init_generic();
 	/*
 	 * Generic KASAN is now fully initialized.
 	 * Software and Hardware Tag-Based modes still require
 	 * kasan_init_sw_tags() and kasan_init_hw_tags() correspondingly.
 	 */
-	pr_info("KernelAddressSanitizer initialized (generic)\n");
-#endif
 }
 
 #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */
-- 
2.34.1