APPLIED: [SRU][Bionic][Cosmic][PATCH 0/1] KVM: PPC: Book3S HV: Provide mode where all vCPUs on a core must be the same VM

[Khaled Elmously]

On 2018-10-11 16:19:18 , Joseph Salisbury wrote:
> BugLink: https://bugs.launchpad.net/bugs/1792957
> 
> == SRU Justification ==
> This patch has been requested by IBM.  It provides a mode where all vCPUs 
> on a core must be the same VM.  This is intended for use in 
> security-conscious settings where users are concerned about possible 
> side-channel attacks between threads which could perhaps enable one VM 
> to attack another VM on the same core, or the host.
> 
> == Fix ==
> linux-next commit:
> aa2278644ae5 ("KVM: PPC: Book3S HV: Provide mode where all vCPUs on a core must be the same VM")
> 
> 
> == Regression Potential ==
> Low.  Changes limited to powerpc.
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> 
> 
> Paul Mackerras (1):
>   KVM: PPC: Book3S HV: Provide mode where all vCPUs on a core must be
>     the same VM
> 
>  arch/powerpc/kvm/book3s_hv.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> -- 
> 2.7.4
> 
> 
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