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-rw-r--r--arch/riscv/include/uapi/asm/hwprobe.h1
-rw-r--r--arch/riscv/kernel/sys_hwprobe.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index 5d30a4fae37a..906896780999 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -82,6 +82,7 @@ struct riscv_hwprobe {
#define RISCV_HWPROBE_EXT_ZAAMO (1ULL << 56)
#define RISCV_HWPROBE_EXT_ZALRSC (1ULL << 57)
#define RISCV_HWPROBE_EXT_ZABHA (1ULL << 58)
+#define RISCV_HWPROBE_EXT_ZALASR (1ULL << 59)
#define RISCV_HWPROBE_KEY_CPUPERF_0 5
#define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0)
#define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0)
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 199d13f86f31..55004d81631a 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -109,6 +109,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
EXT_KEY(ZAAMO);
EXT_KEY(ZABHA);
EXT_KEY(ZACAS);
+ EXT_KEY(ZALASR);
EXT_KEY(ZALRSC);
EXT_KEY(ZAWRS);
EXT_KEY(ZBA);