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authorMayuresh Chitale <mchitale@ventanamicro.com>2022-10-02 10:18:31 +0530
committerAnup Patel <anup@brainfault.org>2022-10-02 10:18:31 +0530
commit122979aa26cd4a314aae889a0496eb829d50bc9e (patch)
treeeca6ea9de9f583ef7dc6556491b4191e339aa648 /arch/riscv/kernel
parentd837f19195e77f7c89b6645c8311f5ea6ff67905 (diff)
downloadlinux-next-122979aa26cd4a314aae889a0496eb829d50bc9e.tar.gz
RISC-V: Probe Svinval extension form ISA string
Just like other ISA extensions, we allow callers/users to detect the presence of Svinval extension from ISA string. Signed-off-by: Mayuresh Chitale <mchitale@ventanamicro.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'arch/riscv/kernel')
-rw-r--r--arch/riscv/kernel/cpu.c1
-rw-r--r--arch/riscv/kernel/cpufeature.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
index 0be8a2403212..7d1cd653ca02 100644
--- a/arch/riscv/kernel/cpu.c
+++ b/arch/riscv/kernel/cpu.c
@@ -96,6 +96,7 @@ static struct riscv_isa_ext_data isa_ext_arr[] = {
__RISCV_ISA_EXT_DATA(zicbom, RISCV_ISA_EXT_ZICBOM),
__RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE),
__RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC),
+ __RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),
__RISCV_ISA_EXT_DATA("", RISCV_ISA_EXT_MAX),
};
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 3b5583db9d80..9774f1271f93 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -204,6 +204,7 @@ void __init riscv_fill_hwcap(void)
SET_ISA_EXT_MAP("zicbom", RISCV_ISA_EXT_ZICBOM);
SET_ISA_EXT_MAP("zihintpause", RISCV_ISA_EXT_ZIHINTPAUSE);
SET_ISA_EXT_MAP("sstc", RISCV_ISA_EXT_SSTC);
+ SET_ISA_EXT_MAP("svinval", RISCV_ISA_EXT_SVINVAL);
}
#undef SET_ISA_EXT_MAP
}