ACK/Cmnt: [SRU][M][PATCH 0/1] arm64 atomic issues cause disk corruption

[Stefan Bader]

On 03.11.23 09:10, Roxana Nicolescu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2042573
> 
> SRU Justification:
> 
> [Impact]
> The mantic kernel introduced a regression in atomic operations on arm64
> which causes all kinds of problems including file system corruptions,
> since commit "locking/atomic: scripts: restructure fallback
> ifdeffery".
> 
> An example report of people encountering this in UTM with a arm64
> generic kernel: https://github.com/utmapp/UTM/issues/4840
> 
> [Fix]
> Cherry-pick commit "locking/atomic: scripts: fix fallback ifdeffery"
> from linux-stable v6.5.6
> 
> [Test Plan]
> Boot test on an arm64 vm.
> 
> [Where problems could occur]
> Since this is touching atomic operations, this has a wide impact on the
> kernel.
> 
> Mark Rutland (1):
>    locking/atomic: scripts: fix fallback ifdeffery
> 
>   include/linux/atomic/atomic-arch-fallback.h | 10 +---------
>   scripts/atomic/gen-atomic-fallback.sh       |  2 +-
>   2 files changed, 2 insertions(+), 10 deletions(-)
> 
Minor nit: instead of cherry-picked ... linux-stable I would put 
linux-6.5.y there when applying but otherwise...

Acked-by: Stefan Bader <stefan.bader at canonical.com>
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