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linux-stable/arch/x86/xen
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Roger Pau Monne af44a387e7 Revert "xen: fix p2m size in dom0 for disabled memory hotplug case" 
This partially reverts commit 882213990d ("xen: fix p2m size in dom0
for disabled memory hotplug case")

There's no need to special case XEN_UNPOPULATED_ALLOC anymore in order
to correctly size the p2m. The generic memory hotplug option has
already been tied together with the Xen hotplug limit, so enabling
memory hotplug should already trigger a properly sized p2m on Xen PV.

Note that XEN_UNPOPULATED_ALLOC depends on ZONE_DEVICE which pulls in
MEMORY_HOTPLUG.

Leave the check added to __set_phys_to_machine and the adjusted
comment about EXTRA_MEM_RATIO.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210324122424.58685-3-roger.pau@citrix.com

[boris: fixed formatting issues]
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2021-03-24 18:33:36 -05:00
..
apic.c x86/apic: Cleanup destination mode 2020-10-28 20:26:25 +01:00
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 treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
enlighten_hvm.c x86/xen: Don't register Xen IPIs when they aren't going to be used 2021-01-13 16:12:07 +01:00
enlighten_pv.c x86/pv: Rework arch_local_irq_restore() to not use popf 2021-02-10 12:36:45 +01:00
enlighten_pvh.c treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
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/pv: Rework arch_local_irq_restore() to not use popf 2021-02-10 12:36:45 +01:00
Kconfig xen: Kconfig: remove X86_64 depends from XEN_512GB 2020-12-19 07:27:37 +01:00
Makefile xen: branch for v5.9-rc1b 2020-08-14 13:34:37 -07:00
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 x86/paravirt: Use a single ops structure 2018-09-03 16:50:35 +02:00
mmu_pv.c xen: branch for v5.10-rc1 2020-10-14 10:34:45 -07:00
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 Revert "xen: fix p2m size in dom0 for disabled memory hotplug case" 2021-03-24 18:33:36 -05:00
pci-swiotlb-xen.c dma-mapping: split <linux/dma-mapping.h> 2020-10-06 07:07:03 +02:00
platform-pci-unplug.c xen/pvh: don't try to unplug emulated devices 2018-10-26 09:16:57 +02:00
pmu.c Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-10-23 16:16:40 +01:00
pmu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
setup.c Revert "xen: fix p2m size in dom0 for disabled memory hotplug case" 2021-03-24 18:33:36 -05:00
smp.c xen/events: only register debug interrupt for 2-level events 2020-10-23 05:41:25 -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 x86/xen: fix 'nopvspin' build error 2021-01-18 07:22:20 +01:00
smp_pv.c xen: branch for v5.9-rc1b 2020-08-14 13:34:37 -07:00
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 xen: Move xen_setup_callback_vector() definition to include/xen/hvm.h 2020-06-11 15:15:19 +02:00
suspend_pv.c locking/seqlock, headers: Untangle the spaghetti monster 2020-08-06 16:13:13 +02:00
time.c x86/xen/time: Set the X86_FEATURE_TSC_KNOWN_FREQ flag in xen_tsc_khz() 2020-07-25 15:49:41 +02:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xen-asm.S x86/pv: Rework arch_local_irq_restore() to not use popf 2021-02-10 12:36:45 +01:00
xen-head.S x86/xen: remove 32-bit Xen PV guest support 2020-08-11 08:26:48 +02:00
xen-ops.h x86/pv: Rework arch_local_irq_restore() to not use popf 2021-02-10 12:36:45 +01:00