From: "H. Peter Anvin" <hpa@zytor.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Jones <davej@redhat.com>, Thomas Renninger <trenn@suse.de>,
Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, Gautham R Shenoy <ego@in.ibm.com>,
Andreas Herrmann <andreas.herrmann3@amd.com>,
Balbir Singh <balbir@in.ibm.com>,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
Yanmin <yanmin_zhang@linux.intel.com>,
Len Brown <len.brown@intel.com>,
Yinghai Lu <yhlu.kernel@gmail.com>,
cpufreq@vger.kernel.org
Subject: Re: [RFC][PATCH 10/14] x86: generic aperf/mperf code.
Date: Fri, 04 Sep 2009 10:45:51 -0700 [thread overview]
Message-ID: <4AA1524F.7030404@zytor.com> (raw)
In-Reply-To: <1252075327.8976.3.camel@laptop>
On 09/04/2009 07:42 AM, Peter Zijlstra wrote:
>>
>> any 64-bit cpu that supports it can have a 32bit kernel installed on it.
>> (and a significant number of users actually do this).
>
> 1) we really should be pushing those people to run 64bit kernels
>
> [ I'm still hoping distros will start shipping 64bit kernels and have
> the bootloader pick the 64bit one when the hardware supports lm ]
>
FWIW, there is already support in Syslinux to do that.
If what distros want is a single kernel image that can boot into either
mode, that might be an interesting enhancement to wraplinux.
-hpa
next prev parent reply other threads:[~2009-09-04 17:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-03 13:21 [RFC][PATCH 00/14] load-balancing and cpu_power -v3 Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 01/14] sched: restore __cpu_power to a straight sum of power Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 02/14] sched: SD_PREFER_SIBLING Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 03/14] sched: update the cpu_power sum during load-balance Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 04/14] sched: add smt_gain Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 05/14] sched: dynamic cpu_power Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 06/14] sched: scale down cpu_power due to RT tasks Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 07/14] sched: try to deal with low capacity Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 08/14] sched: remove reciprocal for cpu_power Peter Zijlstra
2009-09-03 13:59 ` Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 09/14] x86: move APERF/MPERF into a X86_FEATURE Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 10/14] x86: generic aperf/mperf code Peter Zijlstra
2009-09-04 9:19 ` Thomas Renninger
2009-09-04 9:25 ` Peter Zijlstra
2009-09-04 9:27 ` Peter Zijlstra
2009-09-04 9:34 ` Thomas Renninger
2009-09-04 14:22 ` Dave Jones
2009-09-04 14:42 ` Peter Zijlstra
2009-09-04 17:45 ` H. Peter Anvin [this message]
2009-09-03 13:21 ` [RFC][PATCH 11/14] sched: provide arch_scale_freq_power Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 12/14] x86: sched: provide arch implementations using aperf/mperf Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 13/14] sched: cleanup wake_idle power saving Peter Zijlstra
2009-09-03 13:21 ` [RFC][PATCH 14/14] sched: cleanup wake_idle Peter Zijlstra
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=4AA1524F.7030404@zytor.com \
--to=hpa@zytor.com \
--cc=andreas.herrmann3@amd.com \
--cc=balbir@in.ibm.com \
--cc=cpufreq@vger.kernel.org \
--cc=davej@redhat.com \
--cc=ego@in.ibm.com \
--cc=len.brown@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=peterz@infradead.org \
--cc=trenn@suse.de \
--cc=venkatesh.pallipadi@intel.com \
--cc=yanmin_zhang@linux.intel.com \
--cc=yhlu.kernel@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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.