ACK: [SRU][Bionic][PATCH 0/1] KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds

[Khaled Elmously]

On 2018-10-11 16:06:11 , Joseph Salisbury wrote:
> BugLink: https://bugs.launchpad.net/bugs/1792501
> 
> == SRU Justification ==
> IBM is requesting this commit in Bionic.  It fixes a regression
> introduced by upstream commit 4bb3c7a020.  
> 
> Without this patch, package installation segfaults inside debian chroot 
> env in P9 KVM guest with HTM enabled.
> 
> The fix has already landed in Cosmic master-next.
> 
> == Fix ==
> f14040bca892 ("KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds")
> 
> == Regression Potential ==
> Low.  This commit fixes an existing regrssion and is specific to powerpc.  It has been cc'd to
> upstream stable, so has had additional upstream review.
> 
> == 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.
> 
> Michael Neuling (1):
>   KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM
>     workarounds
> 
>  arch/powerpc/kernel/exceptions-64s.S | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>

Acked-by: Khalid Elmously <khalid.elmously at canonical.com>