From: Borislav Petkov <bp@amd64.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
Borislav Petkov <bp@amd64.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Alex Shi <alex.shi@intel.com>,
mgorman@suse.de, npiggin@gmail.com, tglx@linutronix.de,
mingo@redhat.com, arnd@arndb.de, rostedt@goodmis.org,
fweisbec@gmail.com, jeremy@goop.org, glommer@redhat.com,
riel@redhat.com, luto@mit.edu, avi@redhat.com,
len.brown@intel.com, dhowells@redhat.com, fenghua.yu@intel.com,
yinghai@kernel.org, ak@linux.intel.com, cpw@sgi.com,
steiner@sgi.com, akpm@linux-foundation.org, penberg@kernel.org,
hughd@google.com, rientjes@google.com,
kosaki.motohiro@jp.fujitsu.com, n-horiguchi@ah.jp.nec.com,
paul.gortmaker@windriver.com, trenn@suse.de, tj@kernel.org,
oleg@redhat.com, axboe@kernel.dk, kamezawa.hiroyu@jp.fujitsu.com,
viro@zeniv.linux.org.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 7/7] x86/tlb: add tlb_flushall_factor into sysfs for user change
Date: Tue, 8 May 2012 18:28:09 +0200 [thread overview]
Message-ID: <20120508162809.GL13568@aftab.osrc.amd.com> (raw)
In-Reply-To: <20120508161022.GC20433@kroah.com>
On Tue, May 08, 2012 at 09:10:22AM -0700, Greg KH wrote:
> > > Then maybe this is where this knob should go, along with adding it to
> > > debugfs instead of sysfs...
> >
> > I don't see a problem with it in sysfs.
>
> If it's in sysfs, it better be documented in Documentation/ABI.
See what I'm sayin'? And besides, debugfs fits better the purpose of
this, maybe somewhere under <debugfs>/x86/...
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
next prev parent reply other threads:[~2012-05-08 16:28 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-08 14:03 [PATCH v3] TLB flush optimization Alex Shi
2012-05-08 14:03 ` [PATCH v3 1/7] x86/tlb_info: get last level TLB entry number of CPU Alex Shi
2012-05-08 14:03 ` [PATCH v3 2/7] x86/flush_tlb: try flush_tlb_single one by one in flush_tlb_range Alex Shi
2012-05-08 14:03 ` [PATCH v3 3/7] x86/tlb: fall back to flush all when meet a THP large page Alex Shi
2012-05-08 14:03 ` [PATCH v3 4/7] x86/tlb: add tlb flush all factor for specific CPUs Alex Shi
2012-05-08 15:08 ` Peter Zijlstra
2012-05-09 2:03 ` Alex Shi
2012-05-08 15:12 ` H. Peter Anvin
2012-05-09 2:10 ` Alex Shi
2012-05-08 15:15 ` H. Peter Anvin
2012-05-08 15:56 ` Andi Kleen
2012-05-08 16:40 ` H. Peter Anvin
2012-05-08 15:18 ` H. Peter Anvin
2012-05-09 1:41 ` Alex Shi
2012-05-08 14:03 ` [PATCH v3 5/7] x86/tlb: remove comments for tlb_flush_range implement suggestion Alex Shi
2012-05-09 8:22 ` Nick Piggin
2012-05-08 14:03 ` [PATCH v3 6/7] x86/tlb: optimizing flush_tlb_mm Alex Shi
2012-05-08 15:09 ` Peter Zijlstra
2012-05-08 14:03 ` [PATCH v3 7/7] x86/tlb: add tlb_flushall_factor into sysfs for user change Alex Shi
2012-05-08 15:11 ` Peter Zijlstra
2012-05-08 15:20 ` H. Peter Anvin
2012-05-08 15:25 ` Borislav Petkov
2012-05-08 15:31 ` H. Peter Anvin
2012-05-08 15:41 ` Borislav Petkov
2012-05-08 15:48 ` H. Peter Anvin
2012-05-08 16:10 ` Greg KH
2012-05-08 16:28 ` Borislav Petkov [this message]
2012-05-09 5:03 ` Alex Shi
2012-05-08 15:01 ` [PATCH v3] TLB flush optimization Peter Zijlstra
2012-05-09 1:58 ` Alex Shi
2012-05-09 23:45 ` Andi Kleen
2012-05-10 5:06 ` Alex Shi
2012-05-10 7:49 ` HATAYAMA Daisuke
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=20120508162809.GL13568@aftab.osrc.amd.com \
--to=bp@amd64.org \
--cc=a.p.zijlstra@chello.nl \
--cc=ak@linux.intel.com \
--cc=akpm@linux-foundation.org \
--cc=alex.shi@intel.com \
--cc=arnd@arndb.de \
--cc=avi@redhat.com \
--cc=axboe@kernel.dk \
--cc=cpw@sgi.com \
--cc=dhowells@redhat.com \
--cc=fenghua.yu@intel.com \
--cc=fweisbec@gmail.com \
--cc=glommer@redhat.com \
--cc=gregkh@linuxfoundation.org \
--cc=hpa@zytor.com \
--cc=hughd@google.com \
--cc=jeremy@goop.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=len.brown@intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@mit.edu \
--cc=mgorman@suse.de \
--cc=mingo@redhat.com \
--cc=n-horiguchi@ah.jp.nec.com \
--cc=npiggin@gmail.com \
--cc=oleg@redhat.com \
--cc=paul.gortmaker@windriver.com \
--cc=penberg@kernel.org \
--cc=riel@redhat.com \
--cc=rientjes@google.com \
--cc=rostedt@goodmis.org \
--cc=steiner@sgi.com \
--cc=tglx@linutronix.de \
--cc=tj@kernel.org \
--cc=trenn@suse.de \
--cc=viro@zeniv.linux.org.uk \
--cc=yinghai@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