linux_dsm_epyc7002/arch/x86
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
..
boot Merge branch 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-01-31 13:12:31 -08:00
configs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-02-12 08:57:21 -08:00
entry x86/entry/64: Simplify ENCODE_FRAME_POINTER 2018-02-21 16:54:07 +01:00
events Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-02-14 17:02:15 -08:00
hyperv KVM changes for 4.16 2018-02-10 13:16:35 -08:00
ia32
include x86/speculation: Move firmware_restrict_branch_speculation_*() from C to CPP 2018-02-21 16:54:03 +01:00
kernel extable: Make init_kernel_text() global 2018-02-21 16:54:06 +01:00
kvm KVM/VMX: Optimize vmx_vcpu_run() and svm_vcpu_run() by marking the RDMSR path as unlikely() 2018-02-23 08:24:36 +01:00
lib Revert "x86/retpoline: Simplify vmexit_fill_RSB()" 2018-02-20 09:38:26 +01:00
math-emu
mm x86/mm/sme, objtool: Annotate indirect call in sme_encrypt_execute() 2018-02-21 09:05:04 +01:00
net
oprofile
pci pci-v4.16-changes 2018-02-06 09:59:40 -08:00
platform Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-02-14 17:02:15 -08:00
power x86: hibernate: fix swsusp_arch_resume() prototype 2018-02-07 12:18:23 +01:00
purgatory
ras
realmode x86-64/realmode: Add instruction suffix 2018-02-20 09:33:41 +01:00
tools
um
video
xen x86/xen: Zero MSR_IA32_SPEC_CTRL before suspend 2018-02-28 16:03:19 +01:00
.gitignore
Kbuild
Kconfig objtool, retpolines: Integrate objtool with retpoline support more closely 2018-02-21 16:54:32 +01:00
Kconfig.cpu
Kconfig.debug Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-01-30 13:01:09 -08:00
Makefile objtool, retpolines: Integrate objtool with retpoline support more closely 2018-02-21 16:54:32 +01:00
Makefile_32.cpu
Makefile.um