Re: [PATCH RFC v2 03/29] mm: asi: Introduce ASI core API

2025-02-27 Thread Borislav Petkov
On Wed, Feb 19, 2025 at 02:53:03PM +0100, Brendan Jackman wrote: > Argh, sorry, GMail switched back to HTML mode somehow. Maybe I have to > get a proper mail client after all. Yap, wouldn't be such a bad idea. And yes, it ain't easy - we have a whole doc about it: Documentation/process/email-clie

Re: [PATCH RFC v2 03/29] mm: asi: Introduce ASI core API

2025-02-19 Thread Brendan Jackman
Argh, sorry, GMail switched back to HTML mode somehow. Maybe I have to get a proper mail client after all. Here's the clean version. On Wed, 19 Feb 2025 at 11:57, Borislav Petkov wrote: > > > + * Runtime usage: > > + * > > + * 1. Call asi_enter() to switch to the restricted address space. This

Re: [PATCH RFC v2 03/29] mm: asi: Introduce ASI core API

2025-02-19 Thread Borislav Petkov
On Fri, Jan 10, 2025 at 06:40:29PM +, Brendan Jackman wrote: > Subject: Re: [PATCH RFC v2 03/29] mm: asi: Introduce ASI core API x86/asi: ... > Introduce core API for Address Space Isolation (ASI). Kernel address > space isolation provides the ability to run some kernel >

[PATCH RFC v2 03/29] mm: asi: Introduce ASI core API

2025-01-10 Thread Brendan Jackman
Introduce core API for Address Space Isolation (ASI). Kernel address space isolation provides the ability to run some kernel code with a restricted kernel address space. There can be multiple classes of such restricted kernel address spaces (e.g. KPTI, KVM-PTI etc.). Each ASI class is identified