Re: [RFC PATCH 0/1] fs/namespace: defer free_mount from namespace_unlock

From: Eric Chanudet
Date: Thu Jan 19 2023 - 16:22:39 EST


On Thu, Jan 19, 2023 at 03:55:20PM -0500, Eric Chanudet wrote:
> We noticed a significant slow down when running a containers on an
> Aarch64 system with the RT patch set using the following test:
> [...]
> With the following patch, namespace_unlock will queue up the resources
> that needs to be released and defer the operation through call_rcu to
> return without waiting for the grace period.

I did not CC:linux-rt-users. Resending with them included, my apologies.

--
Eric Chanudet