riscv: Introduce riscv_v_vsize to record size of Vector context

[platform/kernel/linux-starfive.git] / arch / riscv / kernel / cpufeature.c

diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 7aaf92f..28032b0 100644 (file)
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -18,6 +18,7 @@
 #include <asm/hwcap.h>
 #include <asm/patch.h>
 #include <asm/processor.h>
+#include <asm/vector.h>
 
 #define NUM_ALPHA_EXTS ('z' - 'a' + 1)
 
@@ -269,6 +270,7 @@ void __init riscv_fill_hwcap(void)
        }
 
        if (elf_hwcap & COMPAT_HWCAP_ISA_V) {
+               riscv_v_setup_vsize();
                /*
                 * ISA string in device tree might have 'v' flag, but
                 * CONFIG_RISCV_ISA_V is disabled in kernel.