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From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Mike Travis <travis@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>, Jack Steiner <steiner@sgi.com>,
	Robin Holt <holt@sgi.com>, Len Brown <len.brown@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Yinghai Lu <yhlu.kernel@gmail.com>,
	linux-acpi@vger.kernel.org, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/6] x86: Minimize initial e820 messages
Date: Tue, 22 Feb 2011 11:43:10 -0700	[thread overview]
Message-ID: <201102221143.10718.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <20110219024705.695093866@gulag1.americas.sgi.com>

On Friday, February 18, 2011 07:47:07 pm Mike Travis wrote:
> Minimize the early e820 messages by printing less characters
> for the address range as well as abbreviating the type info
> for each entry.

> +			pr_info("%s: %Lx+%Lx (%s)\n", who,
> +			       (unsigned long long) e820.map[i].addr,
> +			       (unsigned long long) e820.map[i].size,
> +			       e820_types(e820.map[i].type));

If we're going to change the way we print E820 ranges, I think
we should make them consistent with the way we handle %pR, e.g.,
use something like this:

    "%s: [mem %#018Lx-%#018Lx]"

This is a little different because %pR wouldn't make the field
so wide, but when we discussed this earlier, keeping the table
alignment was thought to be important.  That discussion starts
here: https://lkml.org/lkml/2010/9/22/248

Same comment applies to the update, remove, PCI gap (which
your patch currently doesn't touch), and EFI output.

I know this kind of derails the whole "remove characters" point
of your patch (and I support that in principle), but I do think
consistency is important, too.  We have too many different ways
of printing the same information.

Bjorn

  parent reply	other threads:[~2011-02-22 18:43 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-19  2:47 [PATCH 0/6] init: Shrink early messages to prevent overflowing the kernel log buffer Mike Travis
2011-02-19  2:47 ` [PATCH 1/6] ACPI: Minimize X2APIC initial messages Mike Travis
2011-02-20  1:50   ` David Rientjes
2011-02-21 20:42     ` Mike Travis
2011-02-22  0:13       ` David Rientjes
2011-02-19  2:47 ` [PATCH 2/6] x86: Minimize initial e820 messages Mike Travis
2011-02-20  1:51   ` David Rientjes
2011-02-21 20:50     ` Mike Travis
2011-02-22  0:13       ` David Rientjes
2011-02-22 18:43   ` Bjorn Helgaas [this message]
2011-02-19  2:47 ` [PATCH 3/6] x86: Minimize SRAT messages Mike Travis
2011-02-20  1:51   ` David Rientjes
2011-02-23 21:24     ` Mike Travis
2011-02-24  4:12       ` David Rientjes
2011-02-19  2:47 ` [PATCH 4/6] printk: Break out printk_time Mike Travis
2011-02-20  1:51   ` David Rientjes
2011-02-19  2:47 ` [PATCH 5/6] printk: Minimize time zero output Mike Travis
2011-02-20  1:51   ` David Rientjes
2011-02-21 20:56     ` Mike Travis
2011-02-22  0:13       ` David Rientjes
2011-02-19  2:47 ` [PATCH 6/6] printk: Allocate kernel log buffer earlier Mike Travis

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