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

John Cabaj john.cabaj at canonical.com
Thu Dec 14 16:19:28 UTC 2023


On 12/11/23 1:48 PM, 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(+)
> 

Applied to noble/mantic/jammy master-next branches.


Thanks,
John



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