diff options
Diffstat (limited to 'arch/riscv/kernel/sys_hwprobe.c')
| -rw-r--r-- | arch/riscv/kernel/sys_hwprobe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c index 3d1aa13a0bb2..c6b77fee6e1a 100644 --- a/arch/riscv/kernel/sys_hwprobe.c +++ b/arch/riscv/kernel/sys_hwprobe.c @@ -8,6 +8,7 @@ #include <asm/cacheflush.h> #include <asm/cpufeature.h> #include <asm/hwprobe.h> +#include <asm/processor.h> #include <asm/sbi.h> #include <asm/switch_to.h> #include <asm/uaccess.h> @@ -231,6 +232,9 @@ static void hwprobe_one_pair(struct riscv_hwprobe *pair, if (hwprobe_ext0_has(cpus, RISCV_HWPROBE_EXT_ZICBOZ)) pair->value = riscv_cboz_block_size; break; + case RISCV_HWPROBE_KEY_HIGHEST_VIRT_ADDRESS: + pair->value = user_max_virt_addr(); + break; /* * For forward compatibility, unknown keys don't fail the whole |