Re: [PATCH v8 0/6] arm64: add Armv8.3 pointer authentication enhancements

Will Deacon
2020-09-14T12:18:11Z

On Mon, 14 Sep 2020 14:06:50 +0530, Amit Daniel Kachhap wrote:
> These patch series adds support for Armv8.3 pointer authentication
> enhanced features mandatory for Armv8.6 and optional for Armv8.3.
> These features are,
>
> * Enhanced PAC generation algorithm (ARMv8.3-pauth2).
> * Generate fault when authenticate instruction fails (ARMV8.3-FPAC).
>
> [...]

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

[1/6] arm64: kprobe: add checks for ARMv8.3-PAuth combined instructions
https://git.kernel.org/arm64/c/93396936ed0c
[2/6] arm64: traps: Allow force_signal_inject to pass esr error code
https://git.kernel.org/arm64/c/4ef333b2d106
[3/6] arm64: ptrauth: Introduce Armv8.3 pointer authentication enhancements
https://git.kernel.org/arm64/c/e16aeb072682
[4/6] arm64: cpufeature: Modify address authentication cpufeature to exact
https://git.kernel.org/arm64/c/ba9d1d3e3e7c
[5/6] arm64: kprobe: disable probe of fault prone ptrauth instruction
https://git.kernel.org/arm64/c/6560edca515e
[6/6] arm64: kprobe: clarify the comment of steppable hint instructions
https://git.kernel.org/arm64/c/03c9c8fad6cb

Cheers,
--
Will