Re: [PATCH v2 0/6] kselftest: arm64/mte: Tests for user-space MTE

From: Will Deacon
Date: Mon Oct 05 2020 - 14:09:06 EST


On Fri, 2 Oct 2020 17:26:24 +0530, Amit Daniel Kachhap wrote:
> These patch series adds below kselftests to test the user-space support for the
> ARMv8.5 Memory Tagging Extension present in arm64 tree [1]. This patch
> series is based on Linux v5.9-rc3.
>
> 1) This test-case verifies that the memory allocated by kernel mmap interface
> can support tagged memory access. It first checks the presence of tags at
> address[56:59] and then proceeds with read and write. The pass criteria for
> this test is that tag fault exception should not happen.
>
> [...]

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

[1/6] kselftest/arm64: Add utilities and a test to validate mte memory
https://git.kernel.org/arm64/c/e9b60476bea0
[2/6] kselftest/arm64: Verify mte tag inclusion via prctl
https://git.kernel.org/arm64/c/f3b2a26ca78d
[3/6] kselftest/arm64: Check forked child mte memory accessibility
https://git.kernel.org/arm64/c/dfe537cf4718
[4/6] kselftest/arm64: Verify all different mmap MTE options
https://git.kernel.org/arm64/c/53ec81d23213
[5/6] kselftest/arm64: Verify KSM page merge for MTE pages
https://git.kernel.org/arm64/c/f981d8fa2646
[6/6] kselftest/arm64: Check mte tagged user address in kernel
https://git.kernel.org/arm64/c/4dafc08d0ba4

Cheers,
--
Will

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