All of lore.kernel.org
 help / color / mirror / Atom feed
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3] arm64: mm: Fix NOMAP page initialization
Date: Fri, 3 Feb 2017 18:16:27 +0000	[thread overview]
Message-ID: <20170203181626.GL23547@arm.com> (raw)
In-Reply-To: <20170203151414.GE16822@rric.localdomain>

On Fri, Feb 03, 2017 at 04:14:14PM +0100, Robert Richter wrote:
> On 17.01.17 19:16:56, Will Deacon wrote:
> > I can't really see the trend given that, for system time, your
> > pfn_valid_within results have a variance of ~9 and the early_pfn_valid
> > results have a variance of ~92. Given that the variance seems to come
> > about due to the reboots, I think we need more numbers to establish whether
> > the data sets end up largely overlapping or if they really are disjoint.
> 
> Assuming the numbers of both versions are not significant, please
> apply one or the other.

I'd rather apply the pfn_valid_within version, but please can you Ack the
patch first, since there was some confusion when it was posted about a
translation fault that was never reproduced.

Thanks,

Will

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Robert Richter <robert.richter@cavium.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Hanjun Guo <hanjun.guo@linaro.org>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	David Daney <david.daney@cavium.com>,
	Mark Rutland <mark.rutland@arm.com>,
	James Morse <james.morse@arm.com>,
	Yisheng Xie <xieyisheng1@huawei.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v3] arm64: mm: Fix NOMAP page initialization
Date: Fri, 3 Feb 2017 18:16:27 +0000	[thread overview]
Message-ID: <20170203181626.GL23547@arm.com> (raw)
In-Reply-To: <20170203151414.GE16822@rric.localdomain>

On Fri, Feb 03, 2017 at 04:14:14PM +0100, Robert Richter wrote:
> On 17.01.17 19:16:56, Will Deacon wrote:
> > I can't really see the trend given that, for system time, your
> > pfn_valid_within results have a variance of ~9 and the early_pfn_valid
> > results have a variance of ~92. Given that the variance seems to come
> > about due to the reboots, I think we need more numbers to establish whether
> > the data sets end up largely overlapping or if they really are disjoint.
> 
> Assuming the numbers of both versions are not significant, please
> apply one or the other.

I'd rather apply the pfn_valid_within version, but please can you Ack the
patch first, since there was some confusion when it was posted about a
translation fault that was never reproduced.

Thanks,

Will

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will.deacon@arm.com>
To: Robert Richter <robert.richter@cavium.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Hanjun Guo <hanjun.guo@linaro.org>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	David Daney <david.daney@cavium.com>,
	Mark Rutland <mark.rutland@arm.com>,
	James Morse <james.morse@arm.com>,
	Yisheng Xie <xieyisheng1@huawei.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH v3] arm64: mm: Fix NOMAP page initialization
Date: Fri, 3 Feb 2017 18:16:27 +0000	[thread overview]
Message-ID: <20170203181626.GL23547@arm.com> (raw)
In-Reply-To: <20170203151414.GE16822@rric.localdomain>

On Fri, Feb 03, 2017 at 04:14:14PM +0100, Robert Richter wrote:
> On 17.01.17 19:16:56, Will Deacon wrote:
> > I can't really see the trend given that, for system time, your
> > pfn_valid_within results have a variance of ~9 and the early_pfn_valid
> > results have a variance of ~92. Given that the variance seems to come
> > about due to the reboots, I think we need more numbers to establish whether
> > the data sets end up largely overlapping or if they really are disjoint.
> 
> Assuming the numbers of both versions are not significant, please
> apply one or the other.

I'd rather apply the pfn_valid_within version, but please can you Ack the
patch first, since there was some confusion when it was posted about a
translation fault that was never reproduced.

Thanks,

Will

  reply	other threads:[~2017-02-03 18:16 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-16 16:54 [PATCH v3] arm64: mm: Fix NOMAP page initialization Robert Richter
2016-12-16 16:54 ` Robert Richter
2016-12-16 16:54 ` Robert Richter
2017-01-04 13:56 ` Ard Biesheuvel
2017-01-04 13:56   ` Ard Biesheuvel
2017-01-04 13:56   ` Ard Biesheuvel
2017-01-05  2:03   ` Hanjun Guo
2017-01-05  2:03     ` Hanjun Guo
2017-01-05  2:03     ` Hanjun Guo
2017-01-06  1:07     ` Hanjun Guo
2017-01-06  1:07       ` Hanjun Guo
2017-01-06  1:07       ` Hanjun Guo
2017-01-06  4:49       ` Prakash B
2017-01-06  5:22       ` Prakash B
2017-01-06  5:22         ` Prakash B
2017-01-06  5:22         ` Prakash B
2017-01-09  5:09         ` Hanjun Guo
2017-01-09  5:09           ` Hanjun Guo
2017-01-09  5:09           ` Hanjun Guo
2017-01-09  6:15           ` Prakash B
2017-01-09  6:15             ` Prakash B
2017-01-09  6:15             ` Prakash B
2017-01-06  8:37       ` Ard Biesheuvel
2017-01-06  8:37         ` Ard Biesheuvel
2017-01-06  8:37         ` Ard Biesheuvel
2017-01-09  5:14         ` Hanjun Guo
2017-01-09  5:14           ` Hanjun Guo
2017-01-09  5:14           ` Hanjun Guo
2017-01-09 11:53         ` Robert Richter
2017-01-09 11:53           ` Robert Richter
2017-01-09 11:53           ` Robert Richter
2017-01-12 16:05           ` Will Deacon
2017-01-12 16:05             ` Will Deacon
2017-01-12 16:05             ` Will Deacon
2017-01-12 18:58             ` Robert Richter
2017-01-12 18:58               ` Robert Richter
2017-01-12 18:58               ` Robert Richter
2017-01-13  9:19               ` Will Deacon
2017-01-13  9:19                 ` Will Deacon
2017-01-13  9:19                 ` Will Deacon
2017-01-13 13:15                 ` Robert Richter
2017-01-13 13:15                   ` Robert Richter
2017-01-13 13:15                   ` Robert Richter
2017-01-17 10:00                   ` Robert Richter
2017-01-17 10:00                     ` Robert Richter
2017-01-17 10:00                     ` Robert Richter
2017-01-17 19:16                     ` Will Deacon
2017-01-17 19:16                       ` Will Deacon
2017-01-17 19:16                       ` Will Deacon
2017-02-03 15:14                       ` Robert Richter
2017-02-03 15:14                         ` Robert Richter
2017-02-03 15:14                         ` Robert Richter
2017-02-03 18:16                         ` Will Deacon [this message]
2017-02-03 18:16                           ` Will Deacon
2017-02-03 18:16                           ` Will Deacon
2017-01-05 11:03   ` Robert Richter
2017-01-05 11:03     ` Robert Richter
2017-01-05 11:03     ` Robert Richter

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=20170203181626.GL23547@arm.com \
    --to=will.deacon@arm.com \
    --cc=linux-arm-kernel@lists.infradead.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.