From: Julien Grall <julien.grall@arm.com>
To: Graeme Gregory <gg@slimlogic.co.uk>
Cc: wei@redhat.com, al.stone@linaro.org, kvm@vger.kernel.org,
marc.zyngier@arm.com, Jason Cooper <jason@lakedaemon.net>,
linux-kernel@vger.kernel.org, fu.wei@linaro.org,
Thomas Gleixner <tglx@linutronix.de>,
kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 6/9] irqchip/gic-v3: Parse and export virtual GIC information
Date: Tue, 22 Mar 2016 12:02:29 +0000 [thread overview]
Message-ID: <56F13455.2000703@arm.com> (raw)
In-Reply-To: <20160322112728.GA2486@xora-haswell.xora.org.uk>
Hi Graeme,
On 22/03/16 11:27, Graeme Gregory wrote:
> On Tue, Mar 08, 2016 at 11:29:30AM +0000, Julien Grall wrote:
>> @@ -1020,6 +1060,13 @@ gic_acpi_parse_madt_gicc(struct acpi_subtable_header *header,
>> return -ENOMEM;
>>
>> gic_acpi_register_redist(gicc->gicr_base_address, redist_base);
>> +
>> + acpi_data.maint_irq = gicc->vgic_interrupt;
>> + acpi_data.maint_irq_mode = (gicc->flags & ACPI_MADT_VGIC_IRQ_MODE) ?
>> + ACPI_EDGE_SENSITIVE : ACPI_LEVEL_SENSITIVE;
>> + acpi_data.vctrl_base = gicc->gich_base_address;
>> + acpi_data.vcpu_base = gicc->gicv_base_address;
>> +
>> return 0;
>> }
>
> Placing this here means that it will not collect the info in the case
> where there is a Generic Interrupt Redistributor structure in the MADT.
>
> I guess collecting this info should not be a side effect of happening to
> pass GICC for redistributor base. Which unfortuneately probably means we
> do need to parse the GICCs specifically for this information.
I noticed it while testing on some platform. It's now fixed and will be
in the next version.
Regards,
--
Julien Grall
next prev parent reply other threads:[~2016-03-22 12:02 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-08 11:29 [PATCH v3 0/9] arm64: Add support of KVM with ACPI Julien Grall
2016-03-08 11:29 ` [PATCH v3 1/9] clocksource: arm_arch_timer: Gather KVM specific information in a structure Julien Grall
2016-03-09 3:23 ` Christoffer Dall
2016-03-09 5:35 ` Julien Grall
2016-03-08 11:29 ` [PATCH v3 2/9] clocksource: arm_arch_timer: Extend arch_timer_kvm_info to get the virtual IRQ Julien Grall
2016-03-09 3:27 ` Christoffer Dall
2016-03-09 5:52 ` Julien Grall
2016-03-08 11:29 ` [PATCH v3 3/9] irqchip/gic-v2: Gather ACPI specific data in a single structure Julien Grall
2016-03-09 5:47 ` Christoffer Dall
2016-03-09 6:18 ` Julien Grall
2016-03-13 18:19 ` Christoffer Dall
2016-03-08 11:29 ` [PATCH v3 4/9] irqchip/gic-v2: Parse and export virtual GIC information Julien Grall
2016-03-09 5:14 ` Christoffer Dall
2016-03-14 12:19 ` Julien Grall
2016-03-08 11:29 ` [PATCH v3 5/9] irqchip/gic-v3: Gather all ACPI specific data in a single structure Julien Grall
2016-03-09 5:39 ` Christoffer Dall
2016-03-15 12:26 ` Julien Grall
2016-03-18 9:42 ` Christoffer Dall
2016-03-08 11:29 ` [PATCH v3 6/9] irqchip/gic-v3: Parse and export virtual GIC information Julien Grall
2016-03-09 5:53 ` Christoffer Dall
2016-03-22 11:27 ` Graeme Gregory
2016-03-22 12:02 ` Julien Grall [this message]
2016-03-08 11:29 ` [PATCH v3 7/9] KVM: arm/arm64: arch_timer: Rely on the arch timer to parse the firmware tables Julien Grall
2016-03-09 5:55 ` Christoffer Dall
2016-03-08 11:29 ` [PATCH v3 8/9] KVM: arm/arm64: vgic: Rely on the GIC driver " Julien Grall
2016-03-09 6:02 ` Christoffer Dall
2016-03-08 11:29 ` [PATCH v3 9/9] clocksource: arm_arch_timer: Remove arch_timer_get_timecounter Julien Grall
2016-03-09 6:02 ` Christoffer Dall
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