** Changed in: linux-oracle (Ubuntu Mantic)
Status: New => In Progress
** Changed in: linux-oracle (Ubuntu Mantic)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/2046184
Title:
[arm64] Increase max CPU count to 512
Status in linux-oracle package in Ubuntu:
New
Status in linux-oracle source package in Mantic:
In Progress
Status in linux-oracle source package in Noble:
New
Bug description:
[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
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