73291eb01a
automatically update UEFI boot binary xen.spec - Upstream patches from Jan 51d5334e-x86-mm-Ensure-useful-progress-in-alloc_l2_table.patch 51dd155c-adjust-x86-EFI-build.patch 51e63d80-x86-cpuidle-Change-logging-for-unknown-APIC-IDs.patch 51e6540d-x86-don-t-use-destroy_xen_mappings-for-vunmap.patch 51e7963f-x86-time-Update-wallclock-in-shared-info-when-altering-domain-time-offset.patch 51ffd577-fix-off-by-one-mistakes-in-vm_alloc.patch 51ffd5fd-x86-refine-FPU-selector-handling-code-for-XSAVEOPT.patch 520114bb-Nested-VMX-Flush-TLBs-and-Caches-if-paging-mode-changed.patch 520a5504-VMX-add-boot-parameter-to-enable-disable-APIC-v-dynamically.patch 520a24f6-x86-AMD-Fix-nested-svm-crash-due-to-assertion-in-__virt_to_maddr.patch 520a2570-x86-AMD-Inject-GP-instead-of-UD-when-unable-to-map-vmcb.patch 520b4b60-VT-d-protect-against-bogus-information-coming-from-BIOS.patch 520b4bda-x86-MTRR-fix-range-check-in-mtrr_add_page.patch 520cb8b6-x86-time-fix-check-for-negative-time-in-__update_vcpu_system_time.patch 520d417d-xen-Add-stdbool.h-workaround-for-BSD.patch OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=266
39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
# Commit 0c006b41a283a0a569c863d44abde5aa5750ae01
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# Date 2013-08-13 17:47:16 +0200
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# Author Yang Zhang <yang.z.zhang@Intel.com>
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# Committer Jan Beulich <jbeulich@suse.com>
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VMX: add boot parameter to enable/disable APIC-v dynamically
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Add a boot parameter to enable/disable the APIC-v dynamically. APIC-v is
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enabled by default. User can use apicv=0 to disable it.
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Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
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--- a/xen/arch/x86/hvm/vmx/vmcs.c
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+++ b/xen/arch/x86/hvm/vmx/vmcs.c
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@@ -46,6 +46,9 @@ boolean_param("vpid", opt_vpid_enabled);
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static bool_t __read_mostly opt_unrestricted_guest_enabled = 1;
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boolean_param("unrestricted_guest", opt_unrestricted_guest_enabled);
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+static bool_t __read_mostly opt_apicv_enabled = 1;
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+boolean_param("apicv", opt_apicv_enabled);
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+
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/*
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* These two parameters are used to config the controls for Pause-Loop Exiting:
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* ple_gap: upper bound on the amount of time between two successive
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@@ -196,12 +199,12 @@ static int vmx_init_vmcs_config(void)
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* "APIC Register Virtualization" and "Virtual Interrupt Delivery"
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* can be set only when "use TPR shadow" is set
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*/
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- if ( _vmx_cpu_based_exec_control & CPU_BASED_TPR_SHADOW )
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+ if ( (_vmx_cpu_based_exec_control & CPU_BASED_TPR_SHADOW) &&
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+ opt_apicv_enabled )
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opt |= SECONDARY_EXEC_APIC_REGISTER_VIRT |
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SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY |
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SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE;
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-
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_vmx_secondary_exec_control = adjust_vmx_controls(
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"Secondary Exec Control", min, opt,
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MSR_IA32_VMX_PROCBASED_CTLS2, &mismatch);
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