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Re: [PATCH v2 0/6] arm64: Add support of KVM with ACPI

From Huang Shijie <shijie.huang@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 0/6] arm64: Add support of KVM with ACPI
Date 2016-02-23 03:40 +0100
Message-ID <r5b3k-77q-13@gated-at.bofh.it> (permalink)
References <r11vz-2gb-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Feb 11, 2016 at 03:33:18PM +0000, Julien Grall wrote:
> Hello,
>
> This small series allows an ARM64 ACPI based platform to use KVM.
>
> Currently the KVM code has to parse the firmware table to get the necessary
> information to setup the virtual timer and virtual GIC.
>
> However the parsing of those tables are already done in the GIC and arch
> timer drivers.
>
> This patch series introduces different helpers to retrieve the information
> from different drivers avoiding to duplicate the parsing code.
>
> Note there is patch series ([1] and [2]) adding support of KVM on ACPI,
> although the approach chosen is completely different. The code to parse
> the firmware tables are duplicated which I think make more complex to
> support new firmware tables.
>
> See the changes since v1 in the different patches.
>
> Regards,
>
> [1] https://lists.cs.columbia.edu/pipermail/kvmarm/2016-February/018482.html
> [2] https://lists.cs.columbia.edu/pipermail/kvmarm/2016-February/018355.html
>
> Julien Grall (6):
>   KVM: arm/arm64: arch_timer: Gather KVM specific information in a
>     structure
>   KVM: arm/arm64: arch_timer: Rely on the arch timer to parse the
>     firmware tables
>   irqchip/gic-v2: Gather ACPI specific data in a single structure
>   irqchip/gic-v2: Parse and export virtual GIC information
>   irqchip/gic-v3: Parse and export virtual GIC information
Beside this patch (I do not have the gic-v3 hardware now), I tested this patch set with my JUNo-r1 board
with kvmtool. It works fine.

Tested-by: Huang Shijie <shijie.huang@arm.com>



>   KVM: arm/arm64: vgic: Rely on the GIC driver to parse the firmware
>     tables
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[PATCH v2 0/6] arm64: Add support of KVM with ACPI Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
  [PATCH v2 3/6] irqchip/gic-v2: Gather ACPI specific data in a single structure Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
  [PATCH v2 5/6] irqchip/gic-v3: Parse and export virtual GIC information Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
  [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific information in a structure Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
    Re: [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific  information in a structure Wei Huang <wei@redhat.com> - 2016-02-19 08:30 +0100
      Re: [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific  information in a structure Julien Grall <julien.grall@arm.com> - 2016-02-19 12:00 +0100
        Re: [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific  information in a structure Julien Grall <julien.grall@arm.com> - 2016-02-19 12:50 +0100
      Re: [PATCH v2 1/6] KVM: arm/arm64: arch_timer: Gather KVM specific  information in a structure Marc Zyngier <marc.zyngier@arm.com> - 2016-02-19 13:00 +0100
  [PATCH v2 6/6] KVM: arm/arm64: vgic: Rely on the GIC driver to parse the firmware tables Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
  [PATCH v2 2/6] KVM: arm/arm64: arch_timer: Rely on the arch timer to parse the firmware tables Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
    Re: [PATCH v2 2/6] KVM: arm/arm64: arch_timer: Rely on the arch  timer to parse the firmware tables Christoffer Dall <christoffer.dall@linaro.org> - 2016-03-03 20:40 +0100
  [PATCH v2 4/6] irqchip/gic-v2: Parse and export virtual GIC information Julien Grall <julien.grall@arm.com> - 2016-02-11 16:40 +0100
  Re: [PATCH v2 0/6] arm64: Add support of KVM with ACPI Wei Huang <wei@redhat.com> - 2016-02-19 07:40 +0100
  Re: [PATCH v2 0/6] arm64: Add support of KVM with ACPI Huang Shijie <shijie.huang@arm.com> - 2016-02-23 03:40 +0100

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