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Re: [Qemu-arm] [Qemu-devel] [PATCH v3 3/3] hw/arm/virt-acpi-build: Add P
From: |
Andrew Jones |
Subject: |
Re: [Qemu-arm] [Qemu-devel] [PATCH v3 3/3] hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table |
Date: |
Mon, 25 Apr 2016 14:42:32 +0200 |
User-agent: |
Mutt/1.5.23.1 (2014-03-12) |
On Mon, Apr 25, 2016 at 03:11:46PM +0800, Shannon Zhao wrote:
> From: Shannon Zhao <address@hidden>
>
> Add PMU IRQ number in ACPI table, then we can use PMU in guest through
> ACPI.
>
> Signed-off-by: Shannon Zhao <address@hidden>
> Reviewed-by: Andrew Jones <address@hidden>
> ---
> hw/arm/virt-acpi-build.c | 3 +++
> 1 file changed, 3 insertions(+)
Question: for testing of this, did you use
https://lkml.org/lkml/2016/4/12/755 ?
Thanks,
drew
>
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index f51fe39..5031232 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -491,6 +491,9 @@ build_madt(GArray *table_data, GArray *linker,
> VirtGuestInfo *guest_info)
> gicc->arm_mpidr = armcpu->mp_affinity;
> gicc->uid = i;
> gicc->flags = cpu_to_le32(ACPI_GICC_ENABLED);
> +
> + if (armcpu->has_pmu)
> + gicc->performance_interrupt = cpu_to_le32(PPI(VIRTUAL_PMU_IRQ));
> }
>
> if (guest_info->gic_version == 3) {
> --
> 2.0.4
>
>
>
[Qemu-arm] [PATCH v3 2/3] hw/arm/virt: Add PMU node for virt machine, Shannon Zhao, 2016/04/25