ACK: [Disco][SRU][PATCH 0/2] Fix for kernel machine check events logging

[Colin Ian King]

On 31/12/2019 09:53, Po-Hsu Lin wrote:
> == SRU Justification ==
> With the 5.0 Disco kernel, the kernel cannot record the mce log while
> injecting 1bit ecc error.
> 
> == Fix ==
>   * 09cbd219 (RAS/CEC: Increment cec_entered under the mutex lock)
>   * de0e0624 (RAS/CEC: Check count_threshold unconditionally)
> 
> Commit de0e0624 is the real fix for this issue. 09cbd219 is a fix to
> avoid race condition, and it can make the latter become a clean
> cherry-pick.
> 
> These have been landed on newer kernels.
> 
> == Test ==
> Test kernel could be found here:
> https://people.canonical.com/~phlin/kernel/lp-1857413-ras-err-msg/
> 
> Verified by the bug reporter, fan jinke, the patched kernel can log
> the error correctly.
> 
> == Regression Potential ==
> Low, changes are limited to the RAS Correctable Errors Collector. And
> the fix has been verified as working as expected.
> 
> Borislav Petkov (1):
>   RAS/CEC: Check count_threshold unconditionally
> 
> WANG Chao (1):
>   RAS/CEC: Increment cec_entered under the mutex lock
> 
>  drivers/ras/cec.c | 31 ++++++++++++-------------------
>  1 file changed, 12 insertions(+), 19 deletions(-)
> 

Positive test results, looks good to me.

Acked-by: Colin Ian King <colin.king at canonical.com>