Re: [PATCH v4 00/12] target/arm mte fixes

[Peter Maydell]

On Tue, 6 Apr 2021 at 18:41, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> Changes for v4:
>   * Fix tag count computation error in mte_checkN, which when used
>     by mte_check1 in patch 5, caused all sorts of KASAN failures.
>   * Fix PAGE_ANON / PAGE_TARGET_1 overlap.
>
>
> r~
>
>
> Richard Henderson (12):
>   accel/tcg: Preserve PAGE_ANON when changing page permissions
>   target/arm: Check PAGE_WRITE_ORG for MTE writeability
>   target/arm: Fix mte_checkN
>   target/arm: Split out mte_probe_int
>   target/arm: Fix unaligned checks for mte_check1, mte_probe1
>   test/tcg/aarch64: Add mte-5
>   target/arm: Replace MTEDESC ESIZE+TSIZE with SIZEM1
>   target/arm: Merge mte_check1, mte_checkN
>   target/arm: Rename mte_probe1 to mte_probe
>   target/arm: Simplify sve mte checking
>   target/arm: Remove log2_esize parameter to gen_mte_checkN
>   exec: Fix overlap of PAGE_ANON and PAGE_TARGET_1

So, what should we do with this series for 6.0 ? We'll be at rc3
next week, and this big a change seems risky at this point
in the cycle. Is there anything in here that's worth extracting
as a for-6.0 change? (maybe patches 1, 2, 12?)

thanks
-- PMM