From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/2] powerpc: remove cpu_online_cores_map function
Date: Wed, 08 Dec 2021 00:26:28 +1100 [thread overview]
Message-ID: <163888358888.3690807.15330687133722711176.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20211105035042.1398309-1-npiggin@gmail.com>
On Fri, 5 Nov 2021 13:50:41 +1000, Nicholas Piggin wrote:
> This function builds the cores online map with on-stack cpumasks which
> can cause high stack usage with large NR_CPUS.
>
> It is not used in any performance sensitive paths, so instead just check
> for first thread sibling.
>
>
> [...]
Applied to powerpc/next.
[1/2] powerpc: remove cpu_online_cores_map function
https://git.kernel.org/powerpc/c/b350111bf7b3f4a780d28c44f18f7c9fcbe6d11b
[2/2] powerpc: select CPUMASK_OFFSTACK if NR_CPUS >= 8192
https://git.kernel.org/powerpc/c/2eafc4748bc08c5b9b6ee0b5b65ad20b30f7d704
cheers
prev parent reply other threads:[~2021-12-07 13:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-05 3:50 [PATCH 1/2] powerpc: remove cpu_online_cores_map function Nicholas Piggin
2021-11-05 3:50 ` [PATCH 2/2] powerpc: select CPUMASK_OFFSTACK if NR_CPUS >= 8192 Nicholas Piggin
2021-11-05 13:09 ` [PATCH 1/2] powerpc: remove cpu_online_cores_map function Sachin Sant
2021-12-07 13:26 ` Michael Ellerman [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=163888358888.3690807.15330687133722711176.b4-ty@ellerman.id.au \
--to=patch-notifications@ellerman.id.au \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=npiggin@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).