Re: [patch V3 00/20] sched: Rewrite MM CID management

From: Shrikanth Hegde
Date: Sat Nov 01 2025 - 03:57:17 EST




On 11/1/25 1:06 AM, Thomas Gleixner wrote:
On Thu, Oct 30 2025 at 12:10, Shrikanth Hegde wrote:
I am running into crash at boot on power10 pseries.
Thought of putting it here first. Me trying to figure out why.

I am using your tree.
git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git

Can you update and revalidate? There are a couple of fixes there though
I don't know how they would be related.

Tried with latest. It boots fine with NR_CPUS=8192.

at commit:
commit 870c1793316eddb6f8c9814f830f237e6e1c40ee (origin/rseq/cid)
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Tue Oct 14 10:51:04 2025 +0200

sched/mmcid: Switch over to the new mechanism