Re: [PATCH v5 0/9] arm64: Support for 2023 DPISA extensions

From: Catalin Marinas
Date: Thu Mar 07 2024 - 14:10:08 EST


On Wed, 06 Mar 2024 23:14:45 +0000, Mark Brown wrote:
> This series enables support for the data processing extensions in the
> newly released 2023 architecture, this is mainly support for 8 bit
> floating point formats. Most of the extensions only introduce new
> instructions and therefore only require hwcaps but there is a new EL0
> visible control register FPMR used to control the 8 bit floating point
> formats, we need to manage traps for this and context switch it.
>
> [...]

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

[1/9] arm64/cpufeature: Hook new identification registers up to cpufeature
https://git.kernel.org/arm64/c/cc9f69a3dad3
[2/9] arm64/fpsimd: Enable host kernel access to FPMR
https://git.kernel.org/arm64/c/b6c0b424cb91
[3/9] arm64/fpsimd: Support FEAT_FPMR
https://git.kernel.org/arm64/c/203f2b95a882
[4/9] arm64/signal: Add FPMR signal handling
https://git.kernel.org/arm64/c/8c46def44409
[5/9] arm64/ptrace: Expose FPMR via ptrace
https://git.kernel.org/arm64/c/4035c22ef7d4
[6/9] arm64/hwcap: Define hwcaps for 2023 DPISA features
https://git.kernel.org/arm64/c/c1932cac7902
[7/9] kselftest/arm64: Handle FPMR context in generic signal frame parser
https://git.kernel.org/arm64/c/f4dcccdda586
[8/9] kselftest/arm64: Add basic FPMR test
https://git.kernel.org/arm64/c/7bcebadda045
[9/9] kselftest/arm64: Add 2023 DPISA hwcap test coverage
https://git.kernel.org/arm64/c/44d10c27bd75

--
Catalin