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Re: [PATCH] target/i386: Support up to 32768 CPUs without IRQ remapping
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From: |
Paolo Bonzini |
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Subject: |
Re: [PATCH] target/i386: Support up to 32768 CPUs without IRQ remapping |
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Date: |
Thu, 8 Oct 2020 08:56:21 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 |
On 05/10/20 16:18, David Woodhouse wrote:
> + if (kvm_irqchip_is_split()) {
> + ret |= 1U << KVM_FEATURE_MSI_EXT_DEST_ID;
> + }
IIUC this is because in-kernel IOAPIC still doesn't work; and when it
does, KVM will advertise the feature itself so no other QEMU changes
will be needed.
I queued this, though of course it has to wait for the corresponding
kernel patches to be accepted (or separated into doc and non-KVM parts;
we'll see).
Paolo