[PATCH v4 1/3] arm64: Modify _midr_range() functions to read MIDR/REVIDR internally

Cornelia Huck cohuck at redhat.com
Wed Dec 18 23:05:06 PST 2024


On Wed, Dec 18 2024, Shameer Kolothum <shameerali.kolothum.thodi at huawei.com> wrote:

> These changes lay the groundwork for adding support for guest kernels,
> allowing them to leverage target CPU implementations provided by the
> VMM.
>
> No functional changes intended.
>
> Suggested-by: Oliver Upton <oliver.upton at linux.dev>
> Reviewed-by: Sebastian Ott <sebott at redhat.com>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi at huawei.com>
> ---
>  arch/arm64/include/asm/cputype.h     | 28 ++++++++++++++--------------
>  arch/arm64/include/asm/mmu.h         |  3 +--
>  arch/arm64/kernel/cpu_errata.c       | 23 +++++++++++++----------
>  arch/arm64/kernel/cpufeature.c       |  6 +++---
>  arch/arm64/kernel/proton-pack.c      | 17 ++++++++---------
>  arch/arm64/kvm/vgic/vgic-v3.c        |  2 +-
>  drivers/clocksource/arm_arch_timer.c |  2 +-
>  7 files changed, 41 insertions(+), 40 deletions(-)

Reviewed-by: Cornelia Huck <cohuck at redhat.com>




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