Re: [RFC PATCH v1 0/6] Lazy mmu mode fixes and improvements

2025-06-02 Thread Ryan Roberts
On 31/05/2025 08:46, Mike Rapoport wrote: > Hi Ryan, > > On Fri, May 30, 2025 at 04:55:36PM +0100, Ryan Roberts wrote: >> On 30/05/2025 15:47, Lorenzo Stoakes wrote: >>> +cc Jann who is a specialist in all things page table-y and especially scary >>> edge cases :) >>> >>> On Fri, May 30, 2025 at 0

Re: [RFC PATCH v1 0/6] Lazy mmu mode fixes and improvements

2025-05-31 Thread Mike Rapoport
Hi Ryan, On Fri, May 30, 2025 at 04:55:36PM +0100, Ryan Roberts wrote: > On 30/05/2025 15:47, Lorenzo Stoakes wrote: > > +cc Jann who is a specialist in all things page table-y and especially scary > > edge cases :) > > > > On Fri, May 30, 2025 at 03:04:38PM +0100, Ryan Roberts wrote: > >> Hi All

Re: [RFC PATCH v1 0/6] Lazy mmu mode fixes and improvements

2025-05-30 Thread Lorenzo Stoakes
+cc Jann who is a specialist in all things page table-y and especially scary edge cases :) On Fri, May 30, 2025 at 03:04:38PM +0100, Ryan Roberts wrote: > Hi All, > > I recently added support for lazy mmu mode on arm64. The series is now in > Linus's tree so should be in v6.16-rc1. But during test

Re: [RFC PATCH v1 0/6] Lazy mmu mode fixes and improvements

2025-05-30 Thread Ryan Roberts
On 30/05/2025 15:47, Lorenzo Stoakes wrote: > +cc Jann who is a specialist in all things page table-y and especially scary > edge cases :) > > On Fri, May 30, 2025 at 03:04:38PM +0100, Ryan Roberts wrote: >> Hi All, >> >> I recently added support for lazy mmu mode on arm64. The series is now in >>

[RFC PATCH v1 0/6] Lazy mmu mode fixes and improvements

2025-05-30 Thread Ryan Roberts
Hi All, I recently added support for lazy mmu mode on arm64. The series is now in Linus's tree so should be in v6.16-rc1. But during testing in linux-next we found some ugly corners (unexpected nesting). I was able to fix those issues by making the arm64 implementation more permissive (like the ot