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Re: [PATCH v4 17/18] target/arm: Provide cpu property for controling FEA
From: |
Peter Maydell |
Subject: |
Re: [PATCH v4 17/18] target/arm: Provide cpu property for controling FEAT_LPA2 |
Date: |
Fri, 4 Mar 2022 11:53:13 +0000 |
On Tue, 1 Mar 2022 at 22:00, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> There is a Linux kernel bug present until v5.12 that prevents
> booting with FEAT_LPA2 enabled. As a workaround for TCG, allow
> the feature to be disabled from -cpu max.
>
> Since this kernel bug is present in the Fedora 31 image that
> we test in avocado, disable lpa2 on the command-line.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
thanks
-- PMM
- [PATCH v4 06/18] target/arm: Use MAKE_64BIT_MASK to compute indexmask, (continued)
- [PATCH v4 06/18] target/arm: Use MAKE_64BIT_MASK to compute indexmask, Richard Henderson, 2022/03/01
- [PATCH v4 08/18] target/arm: Prepare DBGBVR and DBGWVR for FEAT_LVA, Richard Henderson, 2022/03/01
- [PATCH v4 10/18] target/arm: Implement FEAT_LPA, Richard Henderson, 2022/03/01
- [PATCH v4 07/18] target/arm: Honor TCR_ELx.{I}PS, Richard Henderson, 2022/03/01
- [PATCH v4 09/18] target/arm: Implement FEAT_LVA, Richard Henderson, 2022/03/01
- [PATCH v4 12/18] target/arm: Introduce tlbi_aa64_get_range, Richard Henderson, 2022/03/01
- [PATCH v4 11/18] target/arm: Extend arm_fi_to_lfsc to level -1, Richard Henderson, 2022/03/01
- [PATCH v4 14/18] target/arm: Validate tlbi TG matches translation granule in use, Richard Henderson, 2022/03/01
- [PATCH v4 13/18] target/arm: Fix TLBIRange.base for 16k and 64k pages, Richard Henderson, 2022/03/01
- [PATCH v4 17/18] target/arm: Provide cpu property for controling FEAT_LPA2, Richard Henderson, 2022/03/01
- Re: [PATCH v4 17/18] target/arm: Provide cpu property for controling FEAT_LPA2,
Peter Maydell <=
- [PATCH v4 15/18] target/arm: Advertise all page sizes for -cpu max, Richard Henderson, 2022/03/01
- [PATCH v4 16/18] target/arm: Implement FEAT_LPA2, Richard Henderson, 2022/03/01
- [PATCH v4 18/18] hw/arm/virt: Disable LPA2 for -machine virt-6.2, Richard Henderson, 2022/03/01
Re: [PATCH v4 00/18] target/arm: Implement LVA, LPA, LPA2 features, Peter Maydell, 2022/03/02