From: Peter Zijlstra <peterz@infradead.org>
To: Borislav Petkov <bp@suse.de>
Cc: "Huang Rui" <ray.huang@amd.com>,
"Andy Lutomirski" <luto@amacapital.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
"Len Brown" <lenb@kernel.org>,
"John Stultz" <john.stultz@linaro.org>,
"Frédéric Weisbecker" <fweisbec@gmail.com>,
linux-kernel@vger.kernel.org, x86@kernel.org,
"Fengguang Wu" <fengguang.wu@intel.com>,
"Aaron Lu" <aaron.lu@intel.com>,
"Suravee Suthikulanit" <suravee.suthikulpanit@amd.com>,
"Tony Li" <tony.li@amd.com>, "Ken Xue" <ken.xue@amd.com>
Subject: Re: [PATCH v2 2/4] x86, mwaitt: make delay method configurable
Date: Tue, 9 Jun 2015 11:31:20 +0200 [thread overview]
Message-ID: <20150609093120.GS3644@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20150609090543.GA22105@pd.tnic>
On Tue, Jun 09, 2015 at 11:05:43AM +0200, Borislav Petkov wrote:
> And we did talk about this already in the last review. You guys want to
> drop all those kernel parameters and use MWAITX delay by default when:
>
> 1. HW supports MWAITX
>
> *and*
>
> 2. delay fits in u32.
No, that 2. is just retarded, see my other email. Always use mwaitx,
just call it multiple times if you want to wait longer.
next prev parent reply other threads:[~2015-06-09 9:31 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-09 3:13 [PATCH v2 0/4] x86, mwaitt: introduce AMD mwaitt support Huang Rui
2015-06-09 3:13 ` [PATCH v2 1/4] x86, mwaitt: add monitorx and mwaitx instruction Huang Rui
2015-06-09 8:23 ` Peter Zijlstra
2015-06-09 9:48 ` Huang Rui
2015-06-09 10:05 ` Borislav Petkov
2015-06-09 16:44 ` Andy Lutomirski
2015-06-09 17:06 ` Borislav Petkov
2015-06-10 2:40 ` Huang Rui
2015-06-09 3:13 ` [PATCH v2 2/4] x86, mwaitt: make delay method configurable Huang Rui
2015-06-09 9:05 ` Borislav Petkov
2015-06-09 9:31 ` Peter Zijlstra [this message]
2015-06-09 10:03 ` Huang Rui
2015-06-09 10:08 ` Peter Zijlstra
2015-06-09 10:15 ` Huang Rui
2015-06-09 10:08 ` Borislav Petkov
2015-06-09 3:13 ` [PATCH v2 3/4] x86, mwaitt: introduce mwaix delay with a configurable timer Huang Rui
2015-06-09 8:31 ` Peter Zijlstra
2015-06-09 10:10 ` Huang Rui
2015-06-09 9:29 ` Peter Zijlstra
2015-06-09 10:59 ` Huang Rui
2015-06-09 16:46 ` Andy Lutomirski
2015-06-09 17:13 ` Peter Zijlstra
2015-06-09 17:55 ` Andy Lutomirski
2015-06-09 18:43 ` Borislav Petkov
2015-06-09 18:55 ` Andy Lutomirski
2015-06-12 8:42 ` Borislav Petkov
2015-06-12 23:15 ` Andy Lutomirski
2015-06-13 8:48 ` Borislav Petkov
2015-06-09 3:13 ` [PATCH v2 4/4] x86, mwaitt: add documents of delay option Huang Rui
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=20150609093120.GS3644@twins.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=aaron.lu@intel.com \
--cc=bp@suse.de \
--cc=fengguang.wu@intel.com \
--cc=fweisbec@gmail.com \
--cc=john.stultz@linaro.org \
--cc=ken.xue@amd.com \
--cc=lenb@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=ray.huang@amd.com \
--cc=rjw@rjwysocki.net \
--cc=suravee.suthikulpanit@amd.com \
--cc=tglx@linutronix.de \
--cc=tony.li@amd.com \
--cc=x86@kernel.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