[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-arm] [PATCH v3] ARM: KVM: Enable in-kernel timers with user sp
|
From: |
Peter Maydell |
|
Subject: |
Re: [Qemu-arm] [PATCH v3] ARM: KVM: Enable in-kernel timers with user space gic |
|
Date: |
Thu, 29 Jun 2017 16:22:18 +0100 |
On 27 June 2017 at 16:35, Alexander Graf <address@hidden> wrote:
> When running with KVM enabled, you can choose between emulating the
> gic in kernel or user space. If the kernel supports in-kernel virtualization
> of the interrupt controller, it will default to that. If not, if will
> default to user space emulation.
>
> Unfortunately when running in user mode gic emulation, we miss out on
> interrupt events which are only available from kernel space, such as the
> timer.
> This patch leverages the new kernel/user space pending line synchronization
> for
> timer events. It does not handle PMU events yet.
>
> Signed-off-by: Alexander Graf <address@hidden>
> Reviewed-by: Andrew Jones <address@hidden>
Applied to target-arm.next, thanks.
-- PMM