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OpenCloudOS-Kernel/arch/x86/xen
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Jane Malalane b1c3497e60 x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 
Implement support for the HVMOP_set_evtchn_upcall_vector hypercall in
order to set the per-vCPU event channel vector callback on Linux and
use it in preference of HVM_PARAM_CALLBACK_IRQ.

If the per-VCPU vector setup is successful on BSP, use this method
for the APs. If not, fallback to the global vector-type callback.

Also register callback_irq at per-vCPU event channel setup to trick
toolstack to think the domain is enlightened.

Suggested-by: "Roger Pau Monné" <roger.pau@citrix.com>
Signed-off-by: Jane Malalane <jane.malalane@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20220729070416.23306-1-jane.malalane@citrix.com
Signed-off-by: Juergen Gross <jgross@suse.com>
 		2022-08-12 11:28:21 +02:00
..
Kconfig perf: Force architectures to opt-in to guest callbacks 2021-11-17 14:49:08 +01:00
Makefile x86: remove the IOMMU table infrastructure 2022-04-18 07:21:10 +02:00
apic.c arch:x86:xen: Remove unnecessary assignment in xen_apic_read() 2022-03-15 20:35:35 -05:00
debugfs.c x86: xen: no need to check return value of debugfs_create functions 2019-06-03 15:49:07 +02:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
efi.c efi: x86/xen: switch to efi_get_secureboot_mode helper 2020-11-17 15:09:32 +01:00
enlighten.c x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 2022-08-12 11:28:21 +02:00
enlighten_hvm.c x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 2022-08-12 11:28:21 +02:00
enlighten_pv.c xen: don't require virtio with grants for non-PV guests 2022-08-01 07:43:03 +02:00
enlighten_pvh.c xen/x86: adjust data placement 2021-10-05 08:36:19 +02:00
grant-table.c x86/xen: open code alloc_vm_area in arch_gnttab_valloc 2020-10-18 09:27:10 -07:00
irq.c x86/xen: switch initial pvops IRQ functions to dummy ones 2021-11-02 08:03:43 -05:00
mmu.c x86/xen: Add SPDX identifier in arch/x86/xen files 2018-09-03 16:50:33 +02:00
mmu.h mm: update ptep_modify_prot_start/commit to take vm_area_struct as arg 2019-03-05 21:07:18 -08:00
mmu_hvm.c proc/vmcore: convert oldmem_pfn_is_ram callback to more generic vmcore callbacks 2021-11-09 10:02:48 -08:00
mmu_pv.c swiotlb-xen: fix DMA_ATTR_NO_KERNEL_MAPPING on arm 2022-05-11 19:48:32 +02:00
multicalls.c treewide: Switch printk users from %pf and %pF to %ps and %pS, respectively 2019-04-09 14:19:06 +02:00
multicalls.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
p2m.c memblock: use memblock_free for freeing virtual pointers 2021-11-06 13:30:41 -07:00
platform-pci-unplug.c x86: xen: platform-pci-unplug: use pr_err() and pr_warn() instead of raw printk() 2021-08-30 12:09:54 +02:00
pmu.c xen: fix is_xen_pmu() 2022-03-25 14:22:53 -05:00
pmu.h xen: fix is_xen_pmu() 2022-03-25 14:22:53 -05:00
setup.c x86/xen: Rename SYS* entry points 2022-06-27 10:33:59 +02:00
smp.c x86/xen: remove xen_have_vcpu_info_placement flag 2021-11-02 07:45:44 -05:00
smp.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smp_hvm.c xen: delay xen_hvm_init_time_ops() if kdump is boot on vcpu>=32 2022-03-10 09:27:55 -06:00
smp_pv.c x86/xen: Allow to retry if cpu_initialize_context() failed. 2022-04-12 14:13:01 +02:00
spinlock.c x86/xen: don't unbind uninitialized lock_kicker_irq 2020-11-09 07:43:45 -06:00
suspend.c x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend 2018-02-28 16:03:19 +01:00
suspend_hvm.c x86/xen: Add support for HVMOP_set_evtchn_upcall_vector 2022-08-12 11:28:21 +02:00
suspend_pv.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
time.c xen: delay xen_hvm_init_time_ops() if kdump is boot on vcpu>=32 2022-03-10 09:27:55 -06:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vga.c xen/x86: obtain full video frame buffer address for Dom0 also under EFI 2022-02-10 11:07:23 +01:00
xen-asm.S objtool: Add entry UNRET validation 2022-06-27 10:34:00 +02:00
xen-head.S Just when you thought that all the speculation bugs were addressed and 2022-07-11 18:15:25 -07:00
xen-ops.h x86/xen: Rename SYS* entry points 2022-06-27 10:33:59 +02:00