linux-kernel - [PATCH 1/5] arm64, kasan: update comment in kasan

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Message-Id: <4186aefd368b019eaf27c907c4fa692a89448d66.1696605143.git.andreyknvl@google.com>
Date:   Fri,  6 Oct 2023 17:18:42 +0200
From:   andrey.konovalov@...ux.dev
To:     Marco Elver <elver@...gle.com>,
        Alexander Potapenko <glider@...gle.com>
Cc:     Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        kasan-dev@...glegroups.com,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH 1/5] arm64, kasan: update comment in kasan_init

From: Andrey Konovalov <andreyknvl@...gle.com>

Update the comment in kasan_init to also mention the Hardware Tag-Based
KASAN mode.

Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
---
 arch/arm64/mm/kasan_init.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c
index f17d066e85eb..555285ebd5af 100644
--- a/arch/arm64/mm/kasan_init.c
+++ b/arch/arm64/mm/kasan_init.c
@@ -300,7 +300,11 @@ void __init kasan_init(void)
 	kasan_init_shadow();
 	kasan_init_depth();
 #if defined(CONFIG_KASAN_GENERIC)
-	/* CONFIG_KASAN_SW_TAGS also requires kasan_init_sw_tags(). */
+	/*
+	 * 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
 }
-- 
2.25.1