Linux kernel -stable discussions
 help / color / mirror / Atom feed
From: Greg KH <gregkh@linuxfoundation.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Carel Si <beibei.si@intel.com>, Jann Horn <jannh@google.com>,
	Miklos Szeredi <mszeredi@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	lkp@lists.01.org, kernel test robot <lkp@intel.com>,
	fengwei.yin@intel.com, stable <stable@vger.kernel.org>
Subject: Re: [LKP] Re: [fget] 054aa8d439: will-it-scale.per_thread_ops -5.7% regression
Date: Wed, 15 Dec 2021 13:54:33 +0100	[thread overview]
Message-ID: <Ybnlic4KUznysQvl@kroah.com> (raw)
In-Reply-To: <CAHk-=whoMGTAAyah0jH+rHyAXCLnxAHu8KffrR8PrAXGhTxRdA@mail.gmail.com>

On Mon, Dec 13, 2021 at 11:44:31AM -0800, Linus Torvalds wrote:
> On Mon, Dec 13, 2021 at 10:37 AM Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > So I'll just apply the patch. Thanks for the report and the testing
> 
> Done, it's commit e386dfc56f83 ("fget: clarify and improve
> __fget_files() implementation") in my tree now.
> 
> I didn't mark it as "Fixes:" or for stable, because I can't imagine
> that it matters in real life.
> 
> But then it  struck me that Greg has mentioned that he ends up getting
> a lot of performance regression reports for people testing stable and
> they can be distracting.
> 
> So I'm adding a stable cc here just so people are aware of this as a
> "yeah, will-it-scale.poll2 performance regression has been reported,
> has a fix available if somebody cares".

Thanks, I'll keep an eye on this.

greg k-h

      reply	other threads:[~2021-12-15 12:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20211210053743.GA36420@xsang-OptiPlex-9020>
     [not found] ` <CAHk-=wgxd2DqzM3PAsFmzJDHFggxg7ODTQxfJoGCRDbjgMm8nA@mail.gmail.com>
     [not found]   ` <CAG48ez1pnatAB095dnbrn9LbuQe4+ENwh-WEW36pM40ozhpruw@mail.gmail.com>
     [not found]     ` <CAHk-=wg1uxUTmdEYgTcxWGQ-s6vb_V_Jux+Z+qwoAcVGkCTDYA@mail.gmail.com>
     [not found]       ` <CAHk-=wh5iFv1MOx6r8zyGYkYGfgfxqcPSrUDwfuOCdis+VR+BQ@mail.gmail.com>
     [not found]         ` <20211213083154.GA20853@linux.intel.com>
     [not found]           ` <CAHk-=wjsTk2jym66RYkK9kuq8zOXTd2bWPiOq43-iCF6Qy-xQQ@mail.gmail.com>
2021-12-13 19:44             ` [LKP] Re: [fget] 054aa8d439: will-it-scale.per_thread_ops -5.7% regression Linus Torvalds
2021-12-15 12:54               ` Greg KH [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=Ybnlic4KUznysQvl@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=beibei.si@intel.com \
    --cc=fengwei.yin@intel.com \
    --cc=jannh@google.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lkp@intel.com \
    --cc=lkp@lists.01.org \
    --cc=mszeredi@redhat.com \
    --cc=stable@vger.kernel.org \
    --cc=torvalds@linux-foundation.org \
    /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