mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Fenghua Yu <fenghua.yu@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Tony Luck <tony.luck@intel.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Xiaoyao Li <xiaoyao.li@intel.com>,
	Ravi V Shankar <ravi.v.shankar@intel.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, x86 <x86@kernel.org>
Subject: Re: [PATCH v4 0/4] x86/bus_lock: Enable bus lock detection
Date: Mon, 25 Jan 2021 19:27:14 +0000	[thread overview]
Message-ID: <YA8bkmYjShKwmyXx@otcwcpicx3.sc.intel.com> (raw)
In-Reply-To: <X/NvodZcfmcgn/44@otcwcpicx6.sc.intel.com>

Hi, Dear X86 Maintainers,

>On Mon, Jan 04, 2021 at 07:42:28PM +0000, Fenghua Yu wrote:
> 
> On Tue, Nov 24, 2020 at 08:52:41PM +0000, Fenghua Yu wrote:
> > A bus lock [1] is acquired through either split locked access to
> > writeback (WB) memory or any locked access to non-WB memory. This is
> > typically >1000 cycles slower than an atomic operation within
> > a cache line. It also disrupts performance on other cores.
 
Just a friendly reminder. Any comment on this series? There hasn't been
any comment since it was posted.

This series can be applied cleanly to v5.11-rc5 and pass all of our
tests. If you want me to repost this series, I can do that too.

Thanks!

-Fenghua

      reply	other threads:[~2021-01-26 10:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-24 20:52 Fenghua Yu
2020-11-24 20:52 ` [PATCH v4 1/4] x86/cpufeatures: Enumerate #DB for " Fenghua Yu
2021-01-27 21:13   ` Thomas Gleixner
2021-01-27 22:39     ` Yu, Fenghua
2021-01-27 23:23       ` Thomas Gleixner
2020-11-24 20:52 ` [PATCH v4 2/4] x86/bus_lock: Handle warn and fatal in #DB for bus lock Fenghua Yu
2021-01-27 21:16   ` Thomas Gleixner
2020-11-24 20:52 ` [PATCH v4 3/4] x86/bus_lock: Set rate limit " Fenghua Yu
2021-01-27 21:57   ` Thomas Gleixner
2020-11-24 20:52 ` [PATCH v4 4/4] Documentation/admin-guide: Change doc for split_lock_detect parameter Fenghua Yu
2021-01-27 22:09   ` Thomas Gleixner
2020-12-02 20:36 ` [PATCH v4 0/4] x86/bus_lock: Enable bus lock detection Yu, Fenghua
2021-01-04 19:42 ` Fenghua Yu
2021-01-25 19:27   ` Fenghua Yu [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=YA8bkmYjShKwmyXx@otcwcpicx3.sc.intel.com \
    --to=fenghua.yu@intel.com \
    --cc=bp@alien8.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=peterz@infradead.org \
    --cc=ravi.v.shankar@intel.com \
    --cc=rdunlap@infradead.org \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=x86@kernel.org \
    --cc=xiaoyao.li@intel.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
all inboxes | Powered by JetHome®