APPLIED: [SRU][Bionic][PATCH 0/6] Bionic: Sync to Xenial (Spectre) (LP: #1822760)

[Stefan Bader]

On 10.04.19 12:10, Juerg Haefliger wrote:
> BugLink: https://bugs.launchpad.net/bugs/1822760
> 
> == SRU Justification ==
> 
> There are a couple of Spectre related commits in Xenial that never landed in Bionic. Fix that to prevent a regression when upgrading from Xenial to Bionic.
> 
> == Regression Potential ==
> 
> Low. These are not very intrusive commits that have been in upstream for quite a while.
> 
> == Fix ==
> 
> Backport the relevant commits from upstream.
> 
> == Test Case ==
> 
> TBD.
> 
> Compile-tested all architectures.
> 
> Signed-off-by: Juerg Haefliger <juergh at canonical.com>
> 
> 
> Juerg Haefliger (2):
>   UBUNTU: SAUCE: [Fix] x86/KVM/VMX: Add L1D flush logic
>   UBUNTU: SAUCE: [Fix] x86/speculation: Use ARCH_CAPABILITIES to skip
>     L1D flush on vmentry
> 
> Paolo Bonzini (1):
>   KVM: VMX: fixes for vmentry_l1d_flush module parameter
> 
> Tom Lendacky (1):
>   KVM: SVM: Add MSR-based feature support for serializing LFENCE
> 
> Vlastimil Babka (1):
>   x86/speculation/l1tf: Suggest what to do on systems with too much RAM
> 
> Wanpeng Li (1):
>   KVM: X86: Allow userspace to define the microcode version
> 
>  arch/x86/include/asm/kvm_host.h |  1 +
>  arch/x86/kernel/cpu/bugs.c      |  4 +++
>  arch/x86/kvm/svm.c              | 40 +++++++++++++++++++++++++++---
>  arch/x86/kvm/vmx.c              | 43 +++++++++++++++++++--------------
>  arch/x86/kvm/x86.c              | 18 ++++++++++----
>  5 files changed, 79 insertions(+), 27 deletions(-)
> 

Applied to bionic/master-next. Thanks.

-Stefan

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