Re: [PATCH v4 09/35] kmsan: Expose kmsan_get_metadata()

2024-06-18 Thread Alexander Potapenko
On Thu, Jun 13, 2024 at 5:39 PM Ilya Leoshkevich wrote: > > Each s390 CPU has lowcore pages associated with it. Each CPU sees its > own lowcore at virtual address 0 through a hardware mechanism called > prefixing. Additionally, all lowcores are mapped to non-0 virtual > addresses stored in the low

[PATCH v4 09/35] kmsan: Expose kmsan_get_metadata()

2024-06-13 Thread Ilya Leoshkevich
Each s390 CPU has lowcore pages associated with it. Each CPU sees its own lowcore at virtual address 0 through a hardware mechanism called prefixing. Additionally, all lowcores are mapped to non-0 virtual addresses stored in the lowcore_ptr[] array. When lowcore is accessed through virtual address