On 05/05/2020 04:42 PM, Will Deacon wrote: > On Sat, May 02, 2020 at 07:03:53PM +0530, Anshuman Khandual wrote: >> This adds basic building blocks required for ID_PFR2 CPU register which >> provides information about the AArch32 programmers model which must be >> interpreted along with ID_PFR0 and ID_PFR1 CPU registers. This is added >> per ARM DDI 0487F.a specification. >> >> Cc: Catalin Marinas <[email protected]> >> Cc: Will Deacon <[email protected]> >> Cc: Marc Zyngier <[email protected]> >> Cc: Mark Rutland <[email protected]> >> Cc: James Morse <[email protected]> >> Cc: Suzuki K Poulose <[email protected]> >> Cc: [email protected] >> Cc: [email protected] >> Cc: [email protected] >> >> Suggested-by: Mark Rutland <[email protected]> >> Reviewed-by: Suzuki K Poulose <[email protected]> >> Signed-off-by: Anshuman Khandual <[email protected]> >> --- >> arch/arm64/include/asm/cpu.h | 1 + >> arch/arm64/include/asm/sysreg.h | 4 ++++ >> arch/arm64/kernel/cpufeature.c | 11 +++++++++++ >> arch/arm64/kernel/cpuinfo.c | 1 + >> arch/arm64/kvm/sys_regs.c | 2 +- >> 5 files changed, 18 insertions(+), 1 deletion(-) >> >> diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h >> index b4a40535a3d8..464e828a994d 100644 >> --- a/arch/arm64/include/asm/cpu.h >> +++ b/arch/arm64/include/asm/cpu.h >> @@ -46,6 +46,7 @@ struct cpuinfo_arm64 { >> u32 reg_id_mmfr3; >> u32 reg_id_pfr0; >> u32 reg_id_pfr1; >> + u32 reg_id_pfr2; >> >> u32 reg_mvfr0; >> u32 reg_mvfr1; >> diff --git a/arch/arm64/include/asm/sysreg.h >> b/arch/arm64/include/asm/sysreg.h >> index e5317a6367b6..c977449e02db 100644 >> --- a/arch/arm64/include/asm/sysreg.h >> +++ b/arch/arm64/include/asm/sysreg.h >> @@ -153,6 +153,7 @@ >> #define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0) >> #define SYS_MVFR1_EL1 sys_reg(3, 0, 0, 3, 1) >> #define SYS_MVFR2_EL1 sys_reg(3, 0, 0, 3, 2) >> +#define SYS_ID_PFR2_EL1 sys_reg(3, 0, 0, 3, 4) > > nit: but please group these defines by name rather than encoding. Sure, will do the same for all new register being added in the series.
