[PATCH v5 10/15] arch/riscv: don't initialize kasan if it's disabled
From: Baoquan He <hidden>
Date: 2026-02-25 08:16:27
Also in:
linux-arm-kernel, linux-mm, linux-riscv, linux-s390, linux-um, lkml, loongarch
Subsystem:
kasan, risc-v architecture, the rest · Maintainers:
Andrey Ryabinin, Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
Here, kasan is disabled if specified 'kasan=off' in kernel cmdline. Signed-off-by: Baoquan He <redacted> Cc: linux-riscv@lists.infradead.org --- arch/riscv/mm/kasan_init.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index c4a2a9e5586e..dc7cc0dcc7eb 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c@@ -485,6 +485,10 @@ void __init kasan_init(void) phys_addr_t p_start, p_end; u64 i; + /* If KASAN is disabled via command line, don't initialize it. */ + if (kasan_arg_disabled) + return; + create_tmp_mapping(); csr_write(CSR_SATP, PFN_DOWN(__pa(tmp_pg_dir)) | satp_mode);
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2.52.0