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Juergen Gross 71c208dd54 x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend 
Older Xen versions (4.5 and before) might have problems migrating pv
guests with MSR_IA32_SPEC_CTRL having a non-zero value. So before
suspending zero that MSR and restore it after being resumed.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Cc: xen-devel@lists.xenproject.org
Cc: boris.ostrovsky@oracle.com
Link: https://lkml.kernel.org/r/20180226140818.4849-1-jgross@suse.com
 		2018-02-28 16:03:19 +01:00
..
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
apic.c xen: fixes for 4.15-rc4 2017-12-15 11:32:09 -08:00
debugfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 x86/xen/efi: Initialize only the EFI struct members used by Xen 2017-06-23 11:11:03 +02:00
enlighten.c xen/balloon: Mark unallocated host memory as UNUSABLE 2017-12-20 13:16:20 -05:00
enlighten_hvm.c x86/virt/xen: Use guest_late_init to detect Xen PVH guest 2017-11-10 10:03:14 +01:00
enlighten_pv.c xen: fixes for 4.15-rc5 2017-12-22 12:30:10 -08:00
enlighten_pvh.c x86/virt/xen: Use guest_late_init to detect Xen PVH guest 2017-11-10 10:03:14 +01:00
grant-table.c xen: re-introduce support for grant v2 interface 2017-11-06 15:50:17 -05:00
irq.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mmu.c xen: support priv-mapping in an HVM tools domain 2017-11-03 16:53:53 -04:00
mmu.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mmu_hvm.c x86/gart: Exclude GART aperture from vmcore 2018-01-11 15:09:24 +01:00
mmu_pv.c x86/mm: Rename flush_tlb_single() and flush_tlb_one() to __flush_tlb_one_[user|kernel]() 2018-02-15 01:15:52 +01:00
multicalls.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 xen: Fix {set,clear}_foreign_p2m_mapping on autotranslating guests 2018-02-08 10:40:49 +01:00
pci-swiotlb-xen.c xen-swiotlb: consolidate xen_swiotlb_dma_ops 2017-06-20 11:12:59 +02:00
platform-pci-unplug.c xen/pvh: PVH guests always have PV devices 2017-02-07 08:07:01 -05:00
pmu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +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 xen: fixes for 4.15-rc5 2017-12-22 12:30:10 -08:00
smp.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smp_pv.c Merge branch 'linus' into x86/asm, to pick up fixes and resolve conflicts 2017-11-07 10:53:06 +01:00
spinlock.c x86/headers: Remove duplicate #includes 2017-12-12 11:32:24 +01:00
suspend.c x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend 2018-02-28 16:03:19 +01:00
suspend_hvm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
suspend_pv.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
time.c xen: features and fixes for v4.15-rc1 2017-11-16 13:06:27 -08:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vdso.h
…
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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xen-asm_32.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xen-asm_64.S x86/xen: Support early interrupts in xen pv guests 2017-11-28 00:28:56 +01:00
xen-head.S x86/xen: init %gs very early to avoid page faults with stack protector 2018-02-06 09:37:18 +01:00
xen-ops.h xen: fixes for 4.15-rc8 2018-01-12 10:00:15 -08:00
xen-pvh.S x86/boot/64: Rename init_level4_pgt and early_level4_pgt 2017-06-13 08:56:55 +02:00