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Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration chec
From: |
Peter Xu |
Subject: |
Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks" |
Date: |
Fri, 23 Sep 2022 21:27:08 -0400 |
On Fri, Sep 23, 2022 at 06:03:44PM -0400, Peter Xu wrote:
> On Fri, Sep 23, 2022 at 10:41:59AM +0200, Igor Mammedov wrote:
> > It's worth putting history excavation with explanation what is broken and
> > why
> > compat stuff is being ignored in the patch.
>
> Makes sense, I'll amend the commit message and repost. Thanks,
There's actually one way to slightly remedy this single case, mostly for
any QEMU 7.1.0 user with -smp <=8 and the intel iommu (as 77250171bdc02 is
merged only in 7.1.0).
We can have one compact parameter x-eim-enable-kvm-x2apic, setting it "on"
by default, "off" for 7.1, and "on" for 7.0-.
I'm not very sure whether that'll worth it. Any thoughts?
--
Peter Xu
- [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Peter Xu, 2022/09/21
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Jason Wang, 2022/09/21
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Igor Mammedov, 2022/09/22
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Peter Xu, 2022/09/22
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Igor Mammedov, 2022/09/23
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Igor Mammedov, 2022/09/23
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Peter Xu, 2022/09/23
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks",
Peter Xu <=
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Igor Mammedov, 2022/09/26
- Re: [PATCH] Revert "intel_iommu: Fix irqchip / X2APIC configuration checks", Peter Xu, 2022/09/26