Re: [RFC PATCH v3 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

2020-05-18 Thread Zhenyu Ye
Hi Anshuman, On 2020/5/18 12:22, Anshuman Khandual wrote: static const struct arm64_ftr_bits ftr_id_aa64isar0[] = { ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_RNDR_SHIFT, 4, 0), + ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_A

Re: [RFC PATCH v3 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

2020-05-17 Thread Anshuman Khandual
On 05/11/2020 05:55 PM, Zhenyu Ye wrote: > On 2020/5/5 18:14, Mark Rutland wrote: >> On Tue, Apr 14, 2020 at 07:28:34PM +0800, Zhenyu Ye wrote: >>> ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a >>> range of input addresses. This patch detect this feature. >>> >>> Signed-off

Re: [RFC PATCH v3 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

2020-05-11 Thread Zhenyu Ye
On 2020/5/5 18:14, Mark Rutland wrote: > On Tue, Apr 14, 2020 at 07:28:34PM +0800, Zhenyu Ye wrote: >> ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a >> range of input addresses. This patch detect this feature. >> >> Signed-off-by: Zhenyu Ye >> --- >> arch/arm64/include/asm/c

Re: [RFC PATCH v3 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature

2020-05-05 Thread Mark Rutland
On Tue, Apr 14, 2020 at 07:28:34PM +0800, Zhenyu Ye wrote: > ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a > range of input addresses. This patch detect this feature. > > Signed-off-by: Zhenyu Ye > --- > arch/arm64/include/asm/cpucaps.h | 3 ++- > arch/arm64/include/asm/sy