From: Andrew Jones <drjones@redhat.com>
To: Shannon Zhao <zhaoshenglong@huawei.com>
Cc: qemu-arm@nongnu.org, peter.maydell@linaro.org, wei@redhat.com,
peter.huangpeng@huawei.com, qemu-devel@nongnu.org,
shannon.zhao@linaro.org
Subject: Re: [Qemu-devel] [PATCH 3/3] hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table
Date: Fri, 22 Apr 2016 16:43:12 +0200 [thread overview]
Message-ID: <20160422144312.ga63a2nsv54st3ck@hawk.localdomain> (raw)
In-Reply-To: <1458899181-17896-4-git-send-email-zhaoshenglong@huawei.com>
On Fri, Mar 25, 2016 at 05:46:21PM +0800, Shannon Zhao wrote:
> From: Shannon Zhao <shannon.zhao@linaro.org>
>
> Add PMU IRQ number in ACPI table, then we can use PMU in guest through
> ACPI.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> ---
> hw/arm/virt-acpi-build.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
> index 6a86b2c..7a377e5 100644
> --- a/hw/arm/virt-acpi-build.c
> +++ b/hw/arm/virt-acpi-build.c
> @@ -490,6 +490,9 @@ 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 = VIRTUAL_PMU_IRQ + 16;
missing cpu_to_le32(). Actually this function is missing lots of those.
Here's another place we could use a PPI() macro to avoid sprinkling
16's around everywhere.
> }
>
> if (guest_info->gic_version == 3) {
> --
> 2.0.4
Otherwise looks good.
drew
next prev parent reply other threads:[~2016-04-22 14:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 9:46 [Qemu-devel] [PATCH 0/3] Add guest PMU in machine virt Shannon Zhao
2016-03-25 9:46 ` [Qemu-devel] [PATCH 1/3] target-arm: kvm64: set guest PMUv3 feature bit if supported Shannon Zhao
2016-04-22 13:41 ` Andrew Jones
2016-04-23 1:01 ` Shannon Zhao
2016-03-25 9:46 ` [Qemu-devel] [PATCH 2/3] hw/arm/virt: Add PMU node for virt machine Shannon Zhao
2016-04-22 14:32 ` Andrew Jones
2016-04-23 1:01 ` Shannon Zhao
2016-04-23 7:57 ` Andrew Jones
2016-03-25 9:46 ` [Qemu-devel] [PATCH 3/3] hw/arm/virt-acpi-build: Add PMU IRQ number in ACPI table Shannon Zhao
2016-04-22 14:43 ` Andrew Jones [this message]
2016-03-29 19:01 ` [Qemu-devel] [PATCH 0/3] Add guest PMU in machine virt Peter Maydell
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