[SRU][n/m/j:oracle][PATCH 0/1] [arm64] Increase max CPU count to 512

[Stefan Bader]

On 11.12.23 20:48, John Cabaj wrote:
> BugLink: https://bugs.launchpad.net/bugs/2046184
> 
> [Impact]
> 
> * Request to accommodate new shape with 320 CPUs, greater than current max value of 256.
> 
> [Fix]
> 
> * Update CONFIG_NR_CPUS from 256 to 512 for arm64 arch.
> 
> [Test Case]
> 
> * Compile tested
> * Boot tested
> 
> [Where things could go wrong]
> 
> * Low chance of regression. Simple config change.
> 
> [Other Info]
> 
> * Change proposed in Debian unstable (https://salsa.debian.org/kernel-team/linux/-/merge_requests/937?commit_id=8dfba66465dbf4c3c8ef8998065805b852b34e22#fc973071e6f4da49be1ec7a17e00635dd41dcaf1), but was denied due to additional kernel size. This shouldn't affect Ubuntu kernel so much as it's compressed.
> * SF #00375112
> 
> John Cabaj (1):
>    UBUNTU: [Config]: oracle: Increase max CPU count to 512
> 
>   debian.oracle/config/annotations | 3 +++
>   1 file changed, 3 insertions(+)
> 

Submission mentions N/M/J but bug report only N/M. Lunar missing in both 
(Which can be a deliberate decision since Lunar is EOL soon and the 
rolling cloud kernel in Jammy is Mantic. But there is no reasoning seen 
in the submission).

-- 
- Stefan

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