Re: [Qemu-devel] [PATCH] virt-acpi-build: add always-on property for timer

2016-01-25 Thread Peter Maydell
On 21 January 2016 at 12:54, Andrew Jones wrote: > This patch is the ACPI equivalent of "hw/arm/virt: Add always-on > property to the virt board timer". The timer is always on, and > thus setting this informs Linux that it may switch off the periodic > timer. Switching off the

[Qemu-devel] [PATCH] virt-acpi-build: add always-on property for timer

2016-01-21 Thread Andrew Jones
This patch is the ACPI equivalent of "hw/arm/virt: Add always-on property to the virt board timer". The timer is always on, and thus setting this informs Linux that it may switch off the periodic timer. Switching off the periodic timer substantially reduces the number of interrupts the host needs

Re: [Qemu-devel] [PATCH] virt-acpi-build: add always-on property for timer

2016-01-21 Thread Shannon Zhao
On 2016/1/21 20:54, Andrew Jones wrote: > This patch is the ACPI equivalent of "hw/arm/virt: Add always-on > property to the virt board timer". The timer is always on, and > thus setting this informs Linux that it may switch off the periodic > timer. Switching off the periodic timer