[PATCH v5 10/15] arch/riscv: don't initialize kasan if it's disabled

[Baoquan He <bhe@redhat.com>]

Here, kasan is disabled if specified 'kasan=off' in kernel cmdline.

Signed-off-by: Baoquan He <bhe@redhat.com>
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);
 
-- 
2.52.0