Re: [PATCH v4 resend 0/7] arm64: Make EFI calls preemptible

Ard Biesheuvel
2025-11-11T18:51:02Z

On Tue, 11 Nov 2025 at 19:45, Catalin Marinas <catalin.marinas@arm.com> wrote:
>
> On Wed, Oct 15, 2025 at 10:56:35PM +0200, Ard Biesheuvel wrote:
> > Ard Biesheuvel (7):
> > efi: Add missing static initializer for efi_mm::cpus_allowed_lock
> > efi/runtime-wrappers: Keep track of the efi_runtime_lock owner
> > arm64/fpsimd: Don't warn when EFI execution context is preemptible
> > arm64/fpsimd: Permit kernel mode NEON with IRQs off
> > arm64/efi: Drop efi_rt_lock spinlock from EFI arch wrapper
> > arm64/efi: Move uaccess en/disable out of efi_set_pgd()
> > arm64/efi: Call EFI runtime services without disabling preemption
>
> The series looks fine to me:
>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
>
> What do you plan to do with this, merge via the EFI tree? Are there any
> dependencies?
>

As you prefer - I can take it via the EFI tree, or you can take it.
There are no conflicts with the other kernel mode FP/SIMD related
changes that we are taking via libcrypto, and there are no other
dependencies that I am aware of.