From: Ingo Molnar <mingo@kernel.org>
To: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Len Brown <lenb@kernel.org>, X86 ML <x86@kernel.org>,
Linux PM list <linux-pm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Len Brown <len.brown@intel.com>
Subject: Re: [PATCH 1/1] x86: replace cpu_up hard-coded mdelay with variable
Date: Wed, 22 Apr 2015 08:07:34 +0200 [thread overview]
Message-ID: <20150422060734.GA25230@gmail.com> (raw)
In-Reply-To: <CAP=VYLqofSyGmApHWF4wvidAZ+C0GCV7ScCYnSU2REaCPGywkg@mail.gmail.com>
* Paul Gortmaker <paul.gortmaker@windriver.com> wrote:
> On Sat, Apr 18, 2015 at 8:53 PM, Len Brown <lenb@kernel.org> wrote:
> > From: Len Brown <len.brown@intel.com>
> >
>
> [...]
>
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index b7d31ca..d2a91da 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -884,6 +884,21 @@ config SCHED_MC
> > making when dealing with multi-core CPU chips at a cost of slightly
> > increased overhead in some places. If unsure say N here.
> >
> > +config X86_INIT_MDELAY
> > + int "Milliseconds to wait to de-assert INIT upon CPU startup" if SMP
> > + range 0 10
> > + default "10"
> > + ---help---
> > + This allows you to specify how long the BSP will delay
> > + between asserting INIT and de-asserting INIT when starting another CPU.
> > + This delay is paid on each cpu-online operation, including boot-time,
> > + resume from suspend, and resume from hibernate. The the value of
>
> Happened to notice a 2x "The the..." when I came across this in
> linux-next today and was reading the help out of curiousity...
Len, this commit isn't in a permanent Git tree yet, right? We want to
do this through the x86 tree, and along the suggestions I made.
Thanks,
Ingo
next prev parent reply other threads:[~2015-04-22 6:07 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-19 0:53 [PATCH 0/1] speeding up cpu_up() Len Brown
2015-04-19 0:53 ` [PATCH 1/1] x86: replace cpu_up hard-coded mdelay with variable Len Brown
2015-04-20 7:13 ` Ingo Molnar
2015-04-20 12:37 ` Brown, Len
2015-04-20 17:45 ` Ingo Molnar
2015-04-22 5:40 ` Paul Gortmaker
2015-04-22 6:07 ` Ingo Molnar [this message]
2015-05-01 21:02 ` Len Brown
2015-04-20 7:15 ` [PATCH 0/1] speeding up cpu_up() Ingo Molnar
2015-05-01 21:42 ` Len Brown
2015-05-01 22:47 ` Borislav Petkov
2015-05-02 0:42 ` Aravind Gopalakrishnan
2015-05-03 16:13 ` Aravind Gopalakrishnan
2015-05-04 22:45 ` Aravind Gopalakrishnan
2015-05-05 7:15 ` Borislav Petkov
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