diff options
| author | David Woodhouse <dwmw@amazon.co.uk> | 2020-10-19 15:55:56 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-10-28 13:52:05 -0400 |
| commit | 5a169bf04cd2bfdbac967d12eb5b70915b29d7ee (patch) | |
| tree | 0b8757ba4296efe2ec1219a8ae429f0ea0373c5c /arch/x86/include/asm/apic.h | |
| parent | 3650b228f83adda7e5ee532e2b90429c03f7b9ec (diff) | |
x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_ID
No functional change; just reserve the feature bit for now so that VMMs
can start to implement it.
This will allow the host to indicate that MSI emulation supports 15-bit
destination IDs, allowing up to 32768 CPUs without interrupt remapping.
cf. https://patchwork.kernel.org/patch/11816693/ for qemu
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <4cd59bed05f4b7410d3d1ffd1e997ab53683874d.camel@infradead.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/apic.h')
0 files changed, 0 insertions, 0 deletions