Re: [PATCH v8 15/18] virt: acrn: Introduce ioeventfd

2021-01-28 Thread Shuo A Liu
On Wed 27.Jan'21 at 15:20:34 +0100, Greg Kroah-Hartman wrote: On Fri, Jan 22, 2021 at 07:01:19PM +0800, shuo.a@intel.com wrote: From: Shuo Liu ioeventfd is a mechanism to register PIO/MMIO regions to trigger an eventfd signal when written to by a User VM. ACRN userspace can register any ar

Re: [PATCH v8 15/18] virt: acrn: Introduce ioeventfd

2021-01-27 Thread Greg Kroah-Hartman
On Fri, Jan 22, 2021 at 07:01:19PM +0800, shuo.a@intel.com wrote: > From: Shuo Liu > > ioeventfd is a mechanism to register PIO/MMIO regions to trigger an > eventfd signal when written to by a User VM. ACRN userspace can register > any arbitrary I/O address with a corresponding eventfd and th

[PATCH v8 15/18] virt: acrn: Introduce ioeventfd

2021-01-22 Thread shuo . a . liu
From: Shuo Liu ioeventfd is a mechanism to register PIO/MMIO regions to trigger an eventfd signal when written to by a User VM. ACRN userspace can register any arbitrary I/O address with a corresponding eventfd and then pass the eventfd to a specific end-point of interest for handling. Vhost is