APPLIED: [PATCH 0/1][jammy/kinetic linux] Resolve synchronous exception on arm64

[Stefan Bader]

On 08.06.23 18:37, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/2023311
> 
> SRU Justification
> 
> [Impact]
> 
> MSFT has requested the inclusion of commit e8dfdf3162eb549d064b8c10b1564f7e8ee82591 ('arm64:
> efi: Recover from synchronous exceptions occurring in firmware'). It looks generic enough to
> apply to the master kernels.
> 
> Unlike x86, which has machinery to deal with page faults that occur during the execution of
> EFI runtime services, arm64 has nothing like that, and a synchronous exception raised by
> firmware code brings down the whole system.
> 
> [Test Plan]
> 
> This looks like a hard one to reproduce. Boot and regression testing should be sufficient.
> 
> [Regression Potential]
> 
> Firmware exceptions could still take down the system.
> 
> [Other Info]
> 
> SF: #00362062
> 
> 

Applied to kinetic,jammy:linux/master-next. Thanks.

-Stefan

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