Re: [PATCHv14 00/17] Linear Address Masking enabling

[Peter Zijlstra]

On Wed, Jan 11, 2023 at 03:37:19PM +0300, Kirill A. Shutemov wrote:

> Kirill A. Shutemov (12):
>   x86/mm: Rework address range check in get_user() and put_user()
>   x86: Allow atomic MM_CONTEXT flags setting
>   x86: CPUID and CR3/CR4 flags for Linear Address Masking
>   x86/mm: Handle LAM on context switch
>   mm: Introduce untagged_addr_remote()
>   x86/uaccess: Provide untagged_addr() and remove tags before address
>     check
>   x86/mm: Provide arch_prctl() interface for LAM
>   x86/mm: Reduce untagged_addr() overhead until the first LAM user
>   mm: Expose untagging mask in /proc/$PID/status
>   iommu/sva: Replace pasid_valid() helper with mm_valid_pasid()
>   x86/mm/iommu/sva: Make LAM and SVA mutually exclusive

+- the static_branch() thing,

Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>