[PATCH v2 0/3] arm64 kpti fixes

[Mark Rutland]

On Mon, Nov 27, 2023 at 01:00:50PM +0100, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb at kernel.org>
> 
> A couple of fixes and tweaks for KPTI - the first patch is a true
> regression in v6.7, the others are minor tweaks.
> 
> v2:
> - add two more tweaks
> - use correct method to test system cap before alternatives have been
>   applied
> - move check into kpti_install_ng_mappings()
> 
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: Marc Zyngier <maz at kernel.org>
> Cc: Mark Rutland <mark.rutland at arm.com>

Thanks for this! For the series:

Acked-by: Mark Rutland <mark.rutland at arm.com>

Mark.

> 
> Ard Biesheuvel (3):
>   arm64: Avoid enabling KPTI unnecessarily
>   arm64: mm: Only map KPTI trampoline if it is going to be used
>   arm64: Kconfig: drop KAISER reference from KPTI option description
> 
>  arch/arm64/Kconfig             | 2 +-
>  arch/arm64/kernel/cpufeature.c | 4 ++++
>  arch/arm64/mm/mmu.c            | 3 +++
>  3 files changed, 8 insertions(+), 1 deletion(-)
> 
> -- 
> 2.43.0.rc1.413.gea7ed67945-goog
>