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authorIgor Mammedov <imammedo@redhat.com>2014-11-10 16:20:50 +0000
committerMichael S. Tsirkin <mst@redhat.com>2014-11-24 20:57:11 +0200
commitdd0247e09a542d2a7ba6e390c70b5616edb9ec56 (patch)
tree07a1de351e6a07f93fc047a067a81e3966a2401e /ui/input.c
parent6c150fbd341ac10b8559abcfd5915cfff17b70c6 (diff)
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pc: acpi: mark all possible CPUs as enabled in SRAT
If QEMU is started with -numa ... Windows only notices that CPU has been hot-added but it will not online such CPUs. It's caused by the fact that possible CPUs are flagged as not enabled in SRAT and Windows honoring that information doesn't use corresponding CPU. ACPI 5.0 Spec regarding to flag says: " Table 5-47 Local APIC Flags ... Enabled: if zero, this processor is unusable, and the operating system support will not attempt to use it. " Fix QEMU to adhere to spec and mark possible CPUs as enabled in SRAT. With that Windows onlines hot-added CPUs as expected. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'ui/input.c')
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