Re: [PATCH V4 00/17] arm64/cpufeature: Introduce ID_PFR2, ID_DFR1, ID_MMFR5 and other changes

From: Will Deacon
Date: Thu May 21 2020 - 11:20:09 EST


On Tue, 19 May 2020 15:10:37 +0530, Anshuman Khandual wrote:
> This series is primarily motivated from an adhoc list from Mark Rutland
> during our previous ID_ISAR6 discussion [1]. The current proposal also
> accommodates some more suggestions from Will and Suzuki.
>
> This series adds missing 32 bit system registers (ID_PFR2, ID_DFR1 and
> ID_MMFR5), adds missing features bits on all existing system registers
> (32 and 64 bit) and some other miscellaneous changes. While here it also
> includes a patch which does macro replacement for various open bits shift
> encodings for various CPU ID registers. There is a slight re-order of the
> patches here as compared to the previous version (V1).
>
> [...]

Applied to arm64 (for-next/cpufeature), thanks!

[01/17] arm64/cpufeature: Add explicit ftr_id_isar0[] for ID_ISAR0 register
https://git.kernel.org/arm64/c/2a5bc6c47bc3
[02/17] arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register
https://git.kernel.org/arm64/c/1ed1b90a0594
[03/17] arm64/cpufeature: Make doublelock a signed feature in ID_AA64DFR0
https://git.kernel.org/arm64/c/e965bcb06256
[04/17] arm64/cpufeature: Introduce ID_PFR2 CPU register
https://git.kernel.org/arm64/c/16824085a7dd
[05/17] arm64/cpufeature: Introduce ID_DFR1 CPU register
https://git.kernel.org/arm64/c/dd35ec070457
[06/17] arm64/cpufeature: Introduce ID_MMFR5 CPU register
https://git.kernel.org/arm64/c/152accf8476f
[07/17] arm64/cpufeature: Add remaining feature bits in ID_PFR0 register
https://git.kernel.org/arm64/c/0ae43a99fe91
[08/17] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register
https://git.kernel.org/arm64/c/fcd6535322cc
[09/17] arm64/cpufeature: Add remaining feature bits in ID_AA64ISAR0 register
https://git.kernel.org/arm64/c/7cd51a5a84d1
[10/17] arm64/cpufeature: Add remaining feature bits in ID_AA64PFR0 register
https://git.kernel.org/arm64/c/011e5f5bf529
[11/17] arm64/cpufeature: Add remaining feature bits in ID_AA64PFR1 register
https://git.kernel.org/arm64/c/14e270fa5c4c
[12/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR0 register
(no commit info)
[13/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR1 register
(no commit info)
[14/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR2 register
(no commit info)
[15/17] arm64/cpufeature: Add remaining feature bits in ID_AA64DFR0 register
(no commit info)
[16/17] arm64/cpufeature: Replace all open bits shift encodings with macros
(no commit info)
[17/17] arm64/cpuinfo: Add ID_MMFR4_EL1 into the cpuinfo_arm64 context
https://git.kernel.org/arm64/c/858b8a8039d0

Note that Suzuki had comments on 12-16, so assume you'll respin those (I fixed
up the trivial comments on earlier patches myself).

Cheers,
--
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev