linux-kernel - [PATCH v4 08/12] arch/riscv: don't initialize kasan if it's disabled

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Message-ID: <20251128033320.1349620-9-bhe@redhat.com>
Date: Fri, 28 Nov 2025 11:33:16 +0800
From: Baoquan He <bhe@...hat.com>
To: linux-mm@...ck.org
Cc: ryabinin.a.a@...il.com,
	andreyknvl@...il.com,
	glider@...gle.com,
	dvyukov@...gle.com,
	vincenzo.frascino@....com,
	akpm@...ux-foundation.org,
	kasan-dev@...glegroups.com,
	linux-kernel@...r.kernel.org,
	kexec@...ts.infradead.org,
	elver@...gle.com,
	sj@...nel.org,
	lorenzo.stoakes@...cle.com,
	snovitoll@...il.com,
	christophe.leroy@...roup.eu,
	Baoquan He <bhe@...hat.com>,
	linux-riscv@...ts.infradead.org
Subject: [PATCH v4 08/12] arch/riscv: don't initialize kasan if it's disabled

Signed-off-by: Baoquan He <bhe@...hat.com>
Cc: linux-riscv@...ts.infradead.org
---
 arch/riscv/mm/kasan_init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index c4a2a9e5586e..aa464466e482 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -485,6 +485,9 @@ void __init kasan_init(void)
 	phys_addr_t p_start, p_end;
 	u64 i;
 
+	if (kasan_arg_disabled)
+		return;
+
 	create_tmp_mapping();
 	csr_write(CSR_SATP, PFN_DOWN(__pa(tmp_pg_dir)) | satp_mode);
 
-- 
2.41.0