* [PATCH 0/2] xen/x86: use extended destination mode if available
@ 2022-01-20 15:34 Roger Pau Monne
0 siblings, 0 replies; 2+ messages in thread
From: Roger Pau Monne @ 2022-01-20 15:34 UTC (permalink / raw)
To: xen-devel; +Cc: Roger Pau Monne
Hello,
Following two patches enable the usage of the extended destination ID if
supported by Xen. This is the same feature already supported by QEMU/KVM
and HyperV.
First patch can probably go in regardless of whether Xen ends up
implementing the extended destination ID, there's no reason to prevent a
VM from using x2APIC mode.
Thanks, Roger.
Roger Pau Monne (2):
xen/x2apic: enable x2apic mode when supported
xen/x86: detect support for extended destination ID
arch/x86/include/asm/xen/cpuid.h | 7 +++++++
arch/x86/xen/enlighten_hvm.c | 9 ++++++++-
2 files changed, 15 insertions(+), 1 deletion(-)
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 0/2] xen/x86: use extended destination mode if available
@ 2022-01-20 15:25 Roger Pau Monne
0 siblings, 0 replies; 2+ messages in thread
From: Roger Pau Monne @ 2022-01-20 15:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Roger Pau Monne
Hello,
Following two patches enable the usage of the extended destination ID if
supported by Xen. This is the same feature already supported by QEMU/KVM
and HyperV.
First patch can probably go in regardless of whether Xen ends up
implementing the extended destination ID, there's no reason to prevent a
VM from using x2APIC mode.
Thanks, Roger.
Roger Pau Monne (2):
xen/x2apic: enable x2apic mode when supported
xen/x86: detect support for extended destination ID
arch/x86/include/asm/xen/cpuid.h | 7 +++++++
arch/x86/xen/enlighten_hvm.c | 9 ++++++++-
2 files changed, 15 insertions(+), 1 deletion(-)
--
2.34.1
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-01-20 15:35 UTC | newest]
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