From: Wei Liu <wei.liu@kernel.org>
To: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Cc: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
iommu@lists.linux.dev, mikelley@microsoft.com,
sunilmut@microsoft.com, wei.liu@kernel.org, kys@microsoft.com,
Tianyu.Lan@microsoft.com, haiyangz@microsoft.com,
decui@microsoft.com, dwmw2@infradead.org, joro@8bytes.org,
will@kernel.org
Subject: Re: [PATCH v2] iommu/hyper-v: Allow hyperv irq remapping without x2apic
Date: Fri, 18 Nov 2022 14:34:40 +0000 [thread overview]
Message-ID: <Y3eYAFDKhwsOyeY7@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <1668715899-8971-1-git-send-email-nunodasneves@linux.microsoft.com>
On Thu, Nov 17, 2022 at 12:11:39PM -0800, Nuno Das Neves wrote:
> If x2apic is not available, hyperv-iommu skips remapping
> irqs. This breaks root partition which always needs irqs
> remapped.
>
> Fix this by allowing irq remapping regardless of x2apic,
> and change hyperv_enable_irq_remapping() to return
> IRQ_REMAP_XAPIC_MODE in case x2apic is missing.
>
> Tested with root and non-root hyperv partitions.
>
> Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Applied to hyperv-next. Thanks.
prev parent reply other threads:[~2022-11-18 14:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-17 20:11 [PATCH v2] iommu/hyper-v: Allow hyperv irq remapping without x2apic Nuno Das Neves
2022-11-18 2:41 ` Michael Kelley (LINUX)
2022-11-18 3:01 ` Tianyu Lan
2022-11-18 14:34 ` Wei Liu [this message]
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