0d71e75f73
26369-libxl-devid.patch - fate##313584: pass bios information to XEN HVM guest 26554-hvm-firmware-passthrough.patch 26555-hvm-firmware-passthrough.patch 26556-hvm-firmware-passthrough.patch - Upstream patches from Jan 26516-ACPI-parse-table-retval.patch (Replaces CVE-2013-0153-xsa36.patch) 26517-AMD-IOMMU-clear-irtes.patch (Replaces CVE-2013-0153-xsa36.patch) 26518-AMD-IOMMU-disable-if-SATA-combined-mode.patch (Replaces CVE-2013-0153-xsa36.patch) 26519-AMD-IOMMU-perdev-intremap-default.patch (Replaces CVE-2013-0153-xsa36.patch) 26526-pvdrv-no-devinit.patch 26529-gcc48-build-fix.patch 26531-AMD-IOMMU-IVHD-special-missing.patch (Replaces CVE-2013-0153-xsa36.patch) 26532-AMD-IOMMU-phantom-MSI.patch 26536-xenoprof-div-by-0.patch 26576-x86-APICV-migration.patch 26577-x86-APICV-x2APIC.patch 26578-AMD-IOMMU-replace-BUG_ON.patch - bnc#797014 - no way to control live migrations 26547-tools-xc_fix_logic_error_in_stdiostream_progress.patch 26548-tools-xc_handle_tty_output_differently_in_stdiostream_progress.patch 26549-tools-xc_turn_XCFLAGS_*_into_shifts.patch 26550-tools-xc_restore_logging_in_xc_save.patch 26551-tools-xc_log_pid_in_xc_save-xc_restore_output.patch - PVonHVM: __devinit was removed in linux-3.8 OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=229
109 lines
3.7 KiB
Diff
109 lines
3.7 KiB
Diff
References: FATE#313605
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# HG changeset patch
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# User Jiongxi Li <jiongxi.li@intel.com>
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# Date 1361176078 -3600
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# Node ID 4c3355d776e115f979fd2abc135bb77ba710f0d4
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# Parent 217a4fc4cd46e8de06f2f43eed727838891e9398
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x86/VMX: fix live migration while enabling APICV
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SVI should be restored in case guest is processing virtual interrupt
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while saveing a domain state. Otherwise SVI would be missed when
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virtual interrupt delivery is enabled.
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Signed-off-by: Jiongxi Li <jiongxi.li@intel.com>
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Acked-by: Eddie Dong <eddie.dong@intel.com>
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Acked-by: Jun Nakajima <jun.nakajima@intel.com>
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Committed-by: Jan Beulich <jbeulich@suse.com>
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--- a/xen/arch/x86/hvm/vlapic.c
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+++ b/xen/arch/x86/hvm/vlapic.c
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@@ -1198,6 +1198,9 @@ static int lapic_load_regs(struct domain
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if ( hvm_load_entry(LAPIC_REGS, h, s->regs) != 0 )
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return -EINVAL;
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+ if ( hvm_funcs.process_isr )
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+ hvm_funcs.process_isr(vlapic_find_highest_isr(s), v);
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+
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vlapic_adjust_i8259_target(d);
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lapic_rearm(s);
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return 0;
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--- a/xen/arch/x86/hvm/vmx/intr.c
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+++ b/xen/arch/x86/hvm/vmx/intr.c
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@@ -290,8 +290,8 @@ void vmx_intr_assist(void)
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vmx_set_eoi_exit_bitmap(v, pt_vector);
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/* we need update the RVI field */
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- status &= ~(unsigned long)0x0FF;
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- status |= (unsigned long)0x0FF &
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+ status &= ~VMX_GUEST_INTR_STATUS_SUBFIELD_BITMASK;
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+ status |= VMX_GUEST_INTR_STATUS_SUBFIELD_BITMASK &
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intack.vector;
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__vmwrite(GUEST_INTR_STATUS, status);
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if (v->arch.hvm_vmx.eoi_exitmap_changed) {
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--- a/xen/arch/x86/hvm/vmx/vmx.c
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+++ b/xen/arch/x86/hvm/vmx/vmx.c
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@@ -1520,6 +1520,29 @@ static int vmx_virtual_intr_delivery_ena
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return cpu_has_vmx_virtual_intr_delivery;
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}
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+static void vmx_process_isr(int isr, struct vcpu *v)
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+{
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+ unsigned long status;
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+ u8 old;
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+
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+ if ( !cpu_has_vmx_virtual_intr_delivery )
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+ return;
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+
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+ if ( isr < 0 )
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+ isr = 0;
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+
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+ vmx_vmcs_enter(v);
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+ status = __vmread(GUEST_INTR_STATUS);
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+ old = status >> VMX_GUEST_INTR_STATUS_SVI_OFFSET;
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+ if ( isr != old )
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+ {
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+ status &= VMX_GUEST_INTR_STATUS_SUBFIELD_BITMASK;
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+ status |= isr << VMX_GUEST_INTR_STATUS_SVI_OFFSET;
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+ __vmwrite(GUEST_INTR_STATUS, status);
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+ }
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+ vmx_vmcs_exit(v);
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+}
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+
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static struct hvm_function_table __read_mostly vmx_function_table = {
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.name = "VMX",
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.cpu_up_prepare = vmx_cpu_up_prepare,
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@@ -1568,7 +1591,8 @@ static struct hvm_function_table __read_
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.nhvm_intr_blocked = nvmx_intr_blocked,
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.nhvm_domain_relinquish_resources = nvmx_domain_relinquish_resources,
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.update_eoi_exit_bitmap = vmx_update_eoi_exit_bitmap,
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- .virtual_intr_delivery_enabled = vmx_virtual_intr_delivery_enabled
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+ .virtual_intr_delivery_enabled = vmx_virtual_intr_delivery_enabled,
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+ .process_isr = vmx_process_isr,
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};
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struct hvm_function_table * __init start_vmx(void)
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--- a/xen/include/asm-x86/hvm/hvm.h
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+++ b/xen/include/asm-x86/hvm/hvm.h
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@@ -184,6 +184,7 @@ struct hvm_function_table {
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/* Virtual interrupt delivery */
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void (*update_eoi_exit_bitmap)(struct vcpu *v, u8 vector, u8 trig);
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int (*virtual_intr_delivery_enabled)(void);
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+ void (*process_isr)(int isr, struct vcpu *v);
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};
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extern struct hvm_function_table hvm_funcs;
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--- a/xen/include/asm-x86/hvm/vmx/vmcs.h
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+++ b/xen/include/asm-x86/hvm/vmx/vmcs.h
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@@ -246,6 +246,10 @@ extern bool_t cpu_has_vmx_ins_outs_instr
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#define VMX_INTR_SHADOW_SMI 0x00000004
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#define VMX_INTR_SHADOW_NMI 0x00000008
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+/* Guest interrupt status */
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+#define VMX_GUEST_INTR_STATUS_SUBFIELD_BITMASK 0x0FF
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+#define VMX_GUEST_INTR_STATUS_SVI_OFFSET 8
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+
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/* VMCS field encodings. */
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enum vmcs_field {
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VIRTUAL_PROCESSOR_ID = 0x00000000,
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