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Signed-off-by: Miquel Sabat=C3=A9 Sol=C3=A0 Acked-by: Jesse Taube --- Documentation/arch/riscv/hwprobe.rst | 6 ++++++ arch/riscv/include/uapi/asm/hwprobe.h | 2 ++ arch/riscv/kernel/sys_hwprobe.c | 2 ++ 3 files changed, 10 insertions(+) diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/risc= v/hwprobe.rst index 3db60a0911df..5bb69c985cce 100644 --- a/Documentation/arch/riscv/hwprobe.rst +++ b/Documentation/arch/riscv/hwprobe.rst @@ -188,10 +188,16 @@ The following keys are defined: manual starting from commit 95cf1f9 ("Add changes requested by Ved during signoff") =20 + * :c:macro:`RISCV_HWPROBE_EXT_ZICNTR`: The Zicntr extension version 2.0 + is supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_EXT_ZIHINTPAUSE`: The Zihintpause extension is supported as defined in the RISC-V ISA manual starting from commit d8ab5c78c207 ("Zihintpause is ratified"). =20 + * :c:macro:`RISCV_HWPROBE_EXT_ZIHPM`: The Zihpm extension version 2.0 + is supported as defined in the RISC-V ISA manual. + * :c:macro:`RISCV_HWPROBE_EXT_ZVE32X`: The Vector sub-extension Zve32x is supported, as defined by version 1.0 of the RISC-V Vector extension ma= nual. =20 diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uap= i/asm/hwprobe.h index b706c8e47b02..098a815b3fd4 100644 --- a/arch/riscv/include/uapi/asm/hwprobe.h +++ b/arch/riscv/include/uapi/asm/hwprobe.h @@ -72,6 +72,8 @@ struct riscv_hwprobe { #define RISCV_HWPROBE_EXT_ZCF (1ULL << 46) #define RISCV_HWPROBE_EXT_ZCMOP (1ULL << 47) #define RISCV_HWPROBE_EXT_ZAWRS (1ULL << 48) +#define RISCV_HWPROBE_EXT_ZICNTR (1ULL << 49) +#define RISCV_HWPROBE_EXT_ZIHPM (1ULL << 50) #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_hwprob= e.c index 8d1b5c35d2a7..30aede1c90ff 100644 --- a/arch/riscv/kernel/sys_hwprobe.c +++ b/arch/riscv/kernel/sys_hwprobe.c @@ -118,6 +118,8 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair, EXT_KEY(ZKSH); EXT_KEY(ZKT); EXT_KEY(ZTSO); + EXT_KEY(ZICNTR); + EXT_KEY(ZIHPM); =20 /* * All the following extensions must depend on the kernel --=20 2.46.0