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    SubjectRe: [PATCH v4 00/21] arm64/sme: Support SME 2 and SME 2.1
    Date
    On Mon, 16 Jan 2023 16:04:36 +0000, Mark Brown wrote:
    > Arm have recently released versions 2 and 2.1 of the SME extension.
    > Among the features introduced by SME 2 is some new architectural state,
    > the ZT0 register. This series adds support for this and all the other
    > features of the new SME versions.
    >
    > Since the architecture has been designed with the possibility of adding
    > further ZTn registers in mind the interfaces added for ZT0 are done with
    > this possibility in mind. As ZT0 is a simple fixed size register these
    > interfaces are all fairly simple, the main complication is that ZT0 is
    > only accessible when PSTATE.ZA is enabled. The memory allocation that we
    > already do for PSTATE.ZA is extended to include space for ZT0.
    >
    > [...]

    Applied to arm64 (for-next/sme2), thanks!

    [01/21] arm64/sme: Rename za_state to sme_state
    https://git.kernel.org/arm64/c/ce514000da4f
    [02/21] arm64: Document boot requirements for SME 2
    https://git.kernel.org/arm64/c/6dabf1fac6b4
    [03/21] arm64/sysreg: Update system registers for SME 2 and 2.1
    https://git.kernel.org/arm64/c/0f3bbe0edf78
    [04/21] arm64/sme: Document SME 2 and SME 2.1 ABI
    https://git.kernel.org/arm64/c/4edc11744e8c
    [05/21] arm64/esr: Document ISS for ZT0 being disabled
    https://git.kernel.org/arm64/c/8ef55603b8ea
    [06/21] arm64/sme: Manually encode ZT0 load and store instructions
    https://git.kernel.org/arm64/c/2cdeecdb9513
    [07/21] arm64/sme: Enable host kernel to access ZT0
    https://git.kernel.org/arm64/c/f122576f3533
    [08/21] arm64/sme: Add basic enumeration for SME2
    https://git.kernel.org/arm64/c/d4913eee152d
    [09/21] arm64/sme: Provide storage for ZT0
    https://git.kernel.org/arm64/c/d6138b4adc70
    [10/21] arm64/sme: Implement context switching for ZT0
    https://git.kernel.org/arm64/c/95fcec713259
    [11/21] arm64/sme: Implement signal handling for ZT
    https://git.kernel.org/arm64/c/ee072cf70804
    [12/21] arm64/sme: Implement ZT0 ptrace support
    https://git.kernel.org/arm64/c/f90b529bcbe5
    [13/21] arm64/sme: Add hwcaps for SME 2 and 2.1 features
    https://git.kernel.org/arm64/c/7d5d8601e457
    [14/21] kselftest/arm64: Add a stress test program for ZT0
    https://git.kernel.org/arm64/c/1c07425e902c
    [15/21] kselftest/arm64: Cover ZT in the FP stress test
    https://git.kernel.org/arm64/c/f63a9f15b2d4
    [16/21] kselftest/arm64: Enumerate SME2 in the signal test utility code
    https://git.kernel.org/arm64/c/638293732608
    [17/21] kselftest/arm64: Teach the generic signal context validation about ZT
    https://git.kernel.org/arm64/c/afe6f1827526
    [18/21] kselftest/arm64: Add test coverage for ZT register signal frames
    https://git.kernel.org/arm64/c/18f8729ab3d5
    [19/21] kselftest/arm64: Add SME2 coverage to syscall-abi
    https://git.kernel.org/arm64/c/49886aa9ab33
    [20/21] kselftest/arm64: Add coverage of the ZT ptrace regset
    https://git.kernel.org/arm64/c/4e1aa1a18f1b
    [21/21] kselftest/arm64: Add coverage of SME 2 and 2.1 hwcaps
    https://git.kernel.org/arm64/c/3eb1b41fba97

    --
    Catalin

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