Add support to parse the Svvptc string in the riscv,isa string.

Signed-off-by: Alexandre Ghiti <alexgh...@rivosinc.com>
---
 arch/riscv/include/asm/hwcap.h | 1 +
 arch/riscv/kernel/cpufeature.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 5340f818746b..2e15192135fb 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -80,6 +80,7 @@
 #define RISCV_ISA_EXT_ZFA              71
 #define RISCV_ISA_EXT_ZTSO             72
 #define RISCV_ISA_EXT_ZACAS            73
+#define RISCV_ISA_EXT_SVVPTC           74
 
 #define RISCV_ISA_EXT_MAX              128
 #define RISCV_ISA_EXT_INVALID          U32_MAX
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 89920f84d0a3..4a8f14bfa0f2 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -307,6 +307,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
        __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),
        __RISCV_ISA_EXT_DATA(svnapot, RISCV_ISA_EXT_SVNAPOT),
        __RISCV_ISA_EXT_DATA(svpbmt, RISCV_ISA_EXT_SVPBMT),
+       __RISCV_ISA_EXT_DATA(svvptc, RISCV_ISA_EXT_SVVPTC),
 };
 
 const size_t riscv_isa_ext_count = ARRAY_SIZE(riscv_isa_ext);
-- 
2.39.2

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