All of lore.kernel.org
 help / color / mirror / Atom feed
From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Pavel Tatashin <pasha.tatashin@oracle.com>
Cc: Steven Sistare <steven.sistare@oracle.com>,
	Daniel Jordan <daniel.m.jordan@oracle.com>,
	linux@armlinux.org.uk,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	John Stultz <john.stultz@linaro.org>,
	sboyd@codeaurora.org, x86@kernel.org,
	LKML <linux-kernel@vger.kernel.org>,
	mingo@redhat.com, "H. Peter Anvin" <hpa@zytor.com>,
	douly.fnst@cn.fujitsu.com, Peter Zijlstra <peterz@infradead.org>,
	Prarit Bhargava <prarit@redhat.com>,
	feng.tang@intel.com, Petr Mladek <pmladek@suse.com>,
	gnomes@lxorguk.ukuu.org.uk, linux-s390@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH v12 09/11] x86/tsc: prepare for early sched_clock
Date: Mon, 9 Jul 2018 19:16:00 -0400	[thread overview]
Message-ID: <e256129f-eed8-bd02-a462-d97db68c5de6@oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1806281159590.1778@nanos.tec.linutronix.de>

On 06/28/2018 06:43 AM, Thomas Gleixner wrote:
>
> For enhanced fun the early calibration stuff was moved from right after
> init_hypervisor_platform() to the place where it is now in commit
> ccb64941f375a6 ("x86/timers: Move simple_udelay_calibration() past
> kvmclock_init()") to speed up KVM boot time by avoiding the PIT
> calibration. I have no idea why it wasn't just moved past the XEN
> initialization a few lines further down, especially as the change was done
> by a XEN maintainer :) Boris?

(Sorry for late response, I was out)


No good reason for that. I don't know what (whether?) I was thinking.

-boris




  parent reply	other threads:[~2018-07-09 23:16 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-21 21:25 [PATCH v12 00/11] Early boot time stamps for x86 Pavel Tatashin
2018-06-21 21:25 ` [PATCH v12 01/11] x86: text_poke() may access uninitialized struct pages Pavel Tatashin
2018-06-21 21:37   ` Randy Dunlap
2018-06-25  8:14   ` Peter Zijlstra
2018-06-25  8:39     ` Thomas Gleixner
2018-06-25  9:09       ` Peter Zijlstra
2018-06-25  9:18         ` Thomas Gleixner
2018-06-25  9:22           ` Peter Zijlstra
2018-06-25 12:32             ` Pavel Tatashin
2018-06-25 13:48               ` Peter Zijlstra
2018-06-25 14:06                 ` Pavel Tatashin
2018-06-21 21:25 ` [PATCH v12 02/11] x86: initialize static branching early Pavel Tatashin
2018-06-23  9:16   ` Borislav Petkov
2018-06-23 13:11     ` Pavel Tatashin
2018-06-21 21:25 ` [PATCH v12 03/11] x86/tsc: redefine notsc to behave as tsc=unstable Pavel Tatashin
2018-06-23 13:32   ` Thomas Gleixner
2018-06-21 21:25 ` [PATCH v12 04/11] kvm/x86: remove kvm memblock dependency Pavel Tatashin
2018-06-23 13:36   ` Thomas Gleixner
2018-07-05 16:12   ` Paolo Bonzini
2018-07-06  9:24     ` Thomas Gleixner
2018-07-06  9:36       ` Paolo Bonzini
2018-07-06  9:45         ` Thomas Gleixner
2018-07-06 10:08           ` Paolo Bonzini
2018-07-06 10:44             ` Thomas Gleixner
2018-07-06 10:50               ` Thomas Gleixner
2018-07-06 15:03                 ` Pavel Tatashin
2018-07-06 15:09                   ` Paolo Bonzini
2018-06-21 21:25 ` [PATCH v12 05/11] s390/time: add read_persistent_wall_and_boot_offset() Pavel Tatashin
2018-06-25  7:07   ` Martin Schwidefsky
2018-06-25 12:45     ` Pavel Tatashin
2018-06-21 21:25 ` [PATCH v12 06/11] time: replace read_boot_clock64() with read_persistent_wall_and_boot_offset() Pavel Tatashin
2018-06-23 13:49   ` Thomas Gleixner
2018-06-21 21:25 ` [PATCH v12 07/11] s390/time: remove read_boot_clock64() Pavel Tatashin
2018-06-21 21:25 ` [PATCH v12 08/11] ARM/time: " Pavel Tatashin
2018-06-23 13:52   ` Thomas Gleixner
2018-06-21 21:25 ` [PATCH v12 09/11] x86/tsc: prepare for early sched_clock Pavel Tatashin
2018-06-23 16:50   ` Thomas Gleixner
2018-06-23 18:49     ` Pavel Tatashin
2018-06-23 20:11     ` Thomas Gleixner
2018-06-23 21:29       ` Pavel Tatashin
2018-06-23 23:38         ` Thomas Gleixner
2018-06-24  2:43           ` Pavel Tatashin
2018-06-24  7:30             ` Thomas Gleixner
2018-06-26 15:42           ` Thomas Gleixner
2018-06-26 18:42             ` Pavel Tatashin
2018-06-26 19:47               ` Pavel Tatashin
2018-06-28  7:31               ` Thomas Gleixner
2018-06-28 10:43                 ` Thomas Gleixner
2018-06-28 11:46                   ` Peter Zijlstra
2018-06-28 12:27                     ` Thomas Gleixner
2018-06-28 19:42                   ` Pavel Tatashin
2018-06-29  7:30                     ` Thomas Gleixner
2018-06-29  8:57                       ` Pavel Tatashin
2018-07-03 20:59                         ` Thomas Gleixner
2018-07-02 17:18                       ` Konrad Rzeszutek Wilk
2018-06-29 14:30                   ` Andy Shevchenko
2018-06-29 17:50                     ` Andy Shevchenko
2018-07-09 23:16                   ` Boris Ostrovsky [this message]
2018-06-21 21:25 ` [PATCH v12 10/11] sched: early boot clock Pavel Tatashin
2018-06-25  8:55   ` Peter Zijlstra
2018-06-25 12:44     ` Pavel Tatashin
2018-06-25 19:23     ` Pavel Tatashin
2018-06-26  9:00       ` Peter Zijlstra
2018-06-26 11:27         ` Pavel Tatashin
2018-06-26 11:51           ` Pavel Tatashin
2018-06-26 15:07           ` Peter Zijlstra
2018-06-21 21:25 ` [PATCH v12 11/11] x86/tsc: use tsc early Pavel Tatashin
2018-06-23 16:56   ` Thomas Gleixner
2018-06-23 21:38     ` Pavel Tatashin

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=e256129f-eed8-bd02-a462-d97db68c5de6@oracle.com \
    --to=boris.ostrovsky@oracle.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=daniel.m.jordan@oracle.com \
    --cc=douly.fnst@cn.fujitsu.com \
    --cc=feng.tang@intel.com \
    --cc=gnomes@lxorguk.ukuu.org.uk \
    --cc=heiko.carstens@de.ibm.com \
    --cc=hpa@zytor.com \
    --cc=john.stultz@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=mingo@redhat.com \
    --cc=pasha.tatashin@oracle.com \
    --cc=peterz@infradead.org \
    --cc=pmladek@suse.com \
    --cc=prarit@redhat.com \
    --cc=sboyd@codeaurora.org \
    --cc=schwidefsky@de.ibm.com \
    --cc=steven.sistare@oracle.com \
    --cc=tglx@linutronix.de \
    --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 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.