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authorWanpeng Li <wanpengli@tencent.com>2019-08-05 10:03:22 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2019-09-14 00:19:46 +0200
commitfb3925d06c285e1acb248addc5d80b33ea771b0f (patch)
treee165f162e67f039cc2b4f8e1575fbc54ada92b8f /arch/arm64
parentKVM: x86: Fix INIT signal handling in various CPU states (diff)
downloadlinux-dev-fb3925d06c285e1acb248addc5d80b33ea771b0f.tar.xz
linux-dev-fb3925d06c285e1acb248addc5d80b33ea771b0f.zip
KVM: X86: Use IPI shorthands in kvm guest when support
IPI shorthand is supported now by linux apic/x2apic driver, switch to IPI shorthand for all excluding self and all including self destination shorthand in kvm guest, to avoid splitting the target mask into several PV IPI hypercalls. This patch removes the kvm_send_ipi_all() and kvm_send_ipi_allbutself() since the callers in APIC codes have already taken care of apic_use_ipi_shorthand and fallback to ->send_IPI_mask and ->send_IPI_mask_allbutself if it is false. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Sean Christopherson <sean.j.christopherson@intel.com> Cc: Nadav Amit <namit@vmware.com> Signed-off-by: Wanpeng Li <wanpengli@tencent.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/arm64')
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