The following commit has been merged into the x86/apic branch of tip: Commit-ID: bf27ef8a77d8da38c9f35f8f6aab013a2dcf175f Gitweb: https://git.kernel.org/tip/bf27ef8a77d8da38c9f35f8f6aab013a2dcf175f Author: David Woodhouse <dwmw@xxxxxxxxxxxx> AuthorDate: Sat, 24 Oct 2020 22:35:33 +01:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Wed, 28 Oct 2020 20:26:31 +01:00 iommu/hyper-v: Disable IRQ pseudo-remapping if 15 bit APIC IDs are available If the 15-bit APIC ID support is present in emulated MSI then there's no need for the pseudo-remapping support. Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201024213535.443185-34-dwmw2@xxxxxxxxxxxxx --- drivers/iommu/hyperv-iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/hyperv-iommu.c b/drivers/iommu/hyperv-iommu.c index a629a6b..9438daa 100644 --- a/drivers/iommu/hyperv-iommu.c +++ b/drivers/iommu/hyperv-iommu.c @@ -121,6 +121,7 @@ static int __init hyperv_prepare_irq_remapping(void) int i; if (!hypervisor_is_type(X86_HYPER_MS_HYPERV) || + x86_init.hyper.msi_ext_dest_id() || !x2apic_supported()) return -ENODEV;
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