Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1499737

Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL

From Dave Hansen <dave.hansen@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL
Date 2016-10-12 16:50 +0200
Message-ID <srt10-5LT-27@gated-at.bofh.it> (permalink)
References <srqFP-4gb-5@gated-at.bofh.it> <srqFP-4gb-21@gated-at.bofh.it> <srrVf-52p-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 10/12/2016 06:35 AM, Thomas Gleixner wrote:
> On Wed, 12 Oct 2016, Grzegorz Andrejczuk wrote:
>> > +	/*
>> > +	* Setting ring 3 MONITOR/MWAIT for all threads
>> > +	* when CPU is Xeon Phi Family x200
>> > +	* This can be disabled with phir3mwait=disable cmdline switch.
>> > +	* We preserve the reserved values and set only 2nd bit.
>> > +	* Ref:
>> > +	* https://software.intel.com/en-us/blogs/2016/10/06/intel-xeon-phi-product-family-x200-knl-user-mode-ring-3-monitor-and-mwait
> Please don't put links like this into comments. They are stale before this
> hits Linus tree.

Yeah, I'm worried about this too.  It's probably best to include some
version of the text in that blog entry, or that text itself.  That way,
when Intel reorganizes and culls old blog entries, we won't completely
lose our source.

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v2 0/4] Enabling Ring 3 MONITOR/MWAIT feature for Knights Landing Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> - 2016-10-12 14:20 +0200
  [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> - 2016-10-12 14:20 +0200
    Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for  KNL Thomas Gleixner <tglx@linutronix.de> - 2016-10-12 15:40 +0200
      Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL Dave Hansen <dave.hansen@linux.intel.com> - 2016-10-12 16:50 +0200
    Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for  KNL Thomas Gleixner <tglx@linutronix.de> - 2016-10-12 15:40 +0200
      Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL Dave Hansen <dave.hansen@linux.intel.com> - 2016-10-12 18:40 +0200
        Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for  KNL Thomas Gleixner <tglx@linutronix.de> - 2016-10-13 18:10 +0200
    Re: [PATCH v2 2/4] Add enabling of the R3 MWAIT during boot for KNL Dave Hansen <dave.hansen@linux.intel.com> - 2016-10-12 19:30 +0200
  [PATCH v2 4/4] Add R3MWAIT to CPU features Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> - 2016-10-12 14:30 +0200
    Re: [PATCH v2 4/4] Add R3MWAIT to CPU features Borislav Petkov <bp@suse.de> - 2016-10-12 15:00 +0200
    Re: [PATCH v2 4/4] Add R3MWAIT to CPU features Thomas Gleixner <tglx@linutronix.de> - 2016-10-12 15:30 +0200

csiph-web