Re: [PATCH v2 1/3] util: Add functions for s390x mmio read/write

2025-03-31 Thread Niklas Schnelle
On Fri, 2025-03-28 at 12:06 -0700, Farhan Ali wrote: > Starting with z15 (or newer) we can execute mmio > instructions from userspace. On older platforms > where we don't have these instructions available > we can fallback to using system calls to access > the PCI mapped resources. > > This patch

[PATCH v2 1/3] util: Add functions for s390x mmio read/write

2025-03-28 Thread Farhan Ali
Starting with z15 (or newer) we can execute mmio instructions from userspace. On older platforms where we don't have these instructions available we can fallback to using system calls to access the PCI mapped resources. This patch adds helper functions for mmio reads and writes for s390x. Reviewe