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From: Andi Kleen <andi@firstfloor.org>
To: Nick Piggin <npiggin@suse.de>
Cc: Andi Kleen <andi@firstfloor.org>,
	Wu Fengguang <fengguang.wu@intel.com>,
	"hugh@veritas.com" <hugh@veritas.com>,
	"riel@redhat.com" <riel@redhat.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"chris.mason@oracle.com" <chris.mason@oracle.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCH] [13/16] HWPOISON: The high level memory error handler in the VM v3
Date: Tue, 2 Jun 2009 19:19:15 +0200	[thread overview]
Message-ID: <20090602171915.GS1065@one.firstfloor.org> (raw)
In-Reply-To: <20090602150952.GB17448@wotan.suse.de>

On Tue, Jun 02, 2009 at 05:09:52PM +0200, Nick Piggin wrote:
> On Tue, Jun 02, 2009 at 02:47:57PM +0200, Andi Kleen wrote:
> > On Tue, Jun 02, 2009 at 02:00:42PM +0200, Nick Piggin wrote:
> 
> [snip: reusing truncate.c code]
> 
> > > With all that writing you could have just done it. It's really
> > 
> > I would have done it if it made sense to me, but so far it hasn't.
> > 
> > The problem with your suggestion is that you do the big picture,
> > but seem to skip over a lot of details. But details matter.
> 
> BTW. just to answer this point. The reason maybe for this
> is because the default response to my concerns seems to
> have been "you're wrong". Not "i don't understand, can you
> detail", and not "i don't agree because ...".

Sorry, I didn't want to imply you're wrong. I apologize if
it came over this way. I understand you understand this code
very well. I realize the one above came out 
a bit flamey, but it wasn't really intended like this.

The disagreement right now seems to be more how the 
code is structured. Typically there's no clear "right" or "wrong"
with these things anyways.

I'll take a look at your suggestion this evening and see
how it comes out.

> Anyway don't worry. I get that a lot. I do really want to
> help get this merged.

I wanted to thank you for your great reviewing work, even if I didn't
agree with everything :) But I think the disagreement were quite
small and only relatively unimportant things.

-Andi


-- 
ak@linux.intel.com -- Speaking for myself only.

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  reply	other threads:[~2009-06-03 14:58 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-27 20:12 [PATCH] [0/16] HWPOISON: Intro Andi Kleen
2009-05-27 20:12 ` [PATCH] [1/16] HWPOISON: Add page flag for poisoned pages Andi Kleen
2009-05-27 20:35   ` Larry H.
2009-05-27 21:15   ` Alan Cox
2009-05-28  7:54     ` Andi Kleen
2009-05-29 16:10       ` Rik van Riel
2009-05-29 16:37         ` Andi Kleen
2009-05-29 16:34           ` Rik van Riel
2009-05-29 18:24             ` Andi Kleen
2009-05-29 18:26               ` Rik van Riel
2009-05-29 18:42                 ` Andi Kleen
2009-05-27 20:12 ` [PATCH] [2/16] HWPOISON: Export poison flag in /proc/kpageflags Andi Kleen
2009-05-29 16:37   ` Rik van Riel
2009-05-27 20:12 ` [PATCH] [3/16] HWPOISON: Export some rmap vma locking to outside world Andi Kleen
2009-05-27 20:12 ` [PATCH] [4/16] HWPOISON: Add support for poison swap entries v2 Andi Kleen
2009-05-28  8:46   ` Hidehiro Kawai
2009-05-28  9:11     ` Wu Fengguang
2009-05-28 10:42     ` Andi Kleen
2009-05-27 20:12 ` [PATCH] [5/16] HWPOISON: Add new SIGBUS error codes for hardware poison signals Andi Kleen
2009-05-27 20:12 ` [PATCH] [6/16] HWPOISON: Add basic support for poisoned pages in fault handler v2 Andi Kleen
2009-05-29  4:15   ` Hidehiro Kawai
2009-05-29  6:28     ` Andi Kleen
2009-05-27 20:12 ` [PATCH] [7/16] HWPOISON: Add various poison checks in mm/memory.c Andi Kleen
2009-05-27 20:12 ` [PATCH] [8/16] HWPOISON: x86: Add VM_FAULT_HWPOISON handling to x86 page fault handler Andi Kleen
2009-05-27 20:12 ` [PATCH] [9/16] HWPOISON: Use bitmask/action code for try_to_unmap behaviour Andi Kleen
2009-05-28  7:27   ` Nick Piggin
2009-05-28  8:03     ` Andi Kleen
2009-05-28  8:28       ` Nick Piggin
2009-05-28  9:02         ` Andi Kleen
2009-05-28 12:26           ` Nick Piggin
2009-05-27 20:12 ` [PATCH] [10/16] HWPOISON: Handle hardware poisoned pages in try_to_unmap Andi Kleen
2009-05-27 20:12 ` [PATCH] [11/16] HWPOISON: Handle poisoned pages in set_page_dirty() Andi Kleen
2009-05-27 20:12 ` [PATCH] [12/16] HWPOISON: check and isolate corrupted free pages Andi Kleen
2009-05-27 20:12 ` [PATCH] [13/16] HWPOISON: The high level memory error handler in the VM v3 Andi Kleen
2009-05-28  8:26   ` Nick Piggin
2009-05-28  9:31     ` Andi Kleen
2009-05-28 12:08       ` Nick Piggin
2009-05-28 13:45         ` Andi Kleen
2009-05-28 14:50           ` Wu Fengguang
2009-06-04  6:25             ` Nai Xia
2009-06-07 16:02               ` Wu Fengguang
2009-06-08 11:06                 ` Nai Xia
2009-06-08 12:31                   ` Wu Fengguang
2009-06-08 14:46                     ` Nai Xia
2009-06-09  6:48                       ` Wu Fengguang
2009-06-09 10:48                         ` Nick Piggin
2009-06-09 12:15                           ` Wu Fengguang
2009-06-09 12:17                             ` Nick Piggin
2009-06-09 12:47                               ` Wu Fengguang
2009-06-09 13:36                                 ` Nai Xia
2009-05-28 16:56           ` Russ Anderson
2009-05-30  6:42             ` Andi Kleen
2009-06-01 11:39               ` Nick Piggin
2009-06-01 18:19                 ` Andi Kleen
2009-06-01 12:05           ` Nick Piggin
2009-06-01 18:51             ` Andi Kleen
2009-06-02 12:10               ` Nick Piggin
2009-06-02 12:34                 ` Andi Kleen
2009-06-02 12:37                   ` Nick Piggin
2009-06-02 12:55                     ` Andi Kleen
2009-06-02 13:03                       ` Nick Piggin
2009-06-02 13:20                         ` Andi Kleen
2009-06-02 13:19                           ` Nick Piggin
2009-06-02 13:46                             ` Andi Kleen
2009-06-02 13:47                               ` Nick Piggin
2009-06-02 14:05                                 ` Andi Kleen
2009-06-02 13:30                     ` Wu Fengguang
2009-06-02 14:07                       ` Nick Piggin
2009-05-28  9:59     ` Wu Fengguang
2009-05-28 10:11       ` Andi Kleen
2009-05-28 10:33         ` Wu Fengguang
2009-05-28 10:51           ` Andi Kleen
2009-05-28 11:03             ` Wu Fengguang
2009-05-28 12:15             ` Nick Piggin
2009-05-28 13:48               ` Andi Kleen
2009-05-28 12:23       ` Nick Piggin
2009-05-28 13:54         ` Wu Fengguang
2009-06-01 11:50           ` Nick Piggin
2009-06-01 14:05             ` Wu Fengguang
2009-06-01 14:40               ` Nick Piggin
2009-06-02 11:14                 ` Wu Fengguang
2009-06-02 12:19                   ` Nick Piggin
2009-06-02 12:51                     ` Wu Fengguang
2009-06-02 14:33                       ` Nick Piggin
2009-06-03 10:21                       ` Jens Axboe
2009-06-01 21:11               ` Hugh Dickins
2009-06-01 21:41                 ` Andi Kleen
2009-06-01 18:32             ` Andi Kleen
2009-06-02 12:00               ` Nick Piggin
2009-06-02 12:47                 ` Andi Kleen
2009-06-02 12:57                   ` Nick Piggin
2009-06-02 13:25                     ` Andi Kleen
2009-06-02 13:24                       ` Nick Piggin
2009-06-02 13:41                         ` Andi Kleen
2009-06-02 13:40                           ` Nick Piggin
2009-06-02 13:53                           ` Wu Fengguang
2009-06-02 14:06                             ` Andi Kleen
2009-06-02 14:12                               ` Wu Fengguang
2009-06-02 14:21                                 ` Nick Piggin
2009-06-02 13:46                     ` Wu Fengguang
2009-06-02 14:08                       ` Andi Kleen
2009-06-02 14:10                         ` Wu Fengguang
2009-06-02 14:14                           ` Nick Piggin
2009-06-02 15:17                       ` Nick Piggin
2009-06-02 17:27                         ` Andi Kleen
2009-06-03  9:35                           ` Nick Piggin
2009-06-03 11:24                             ` Andi Kleen
2009-06-02 13:02                   ` Wu Fengguang
2009-06-02 15:09                   ` Nick Piggin
2009-06-02 17:19                     ` Andi Kleen [this message]
2009-06-03  6:24                       ` Nick Piggin
2009-06-03 15:51               ` Wu Fengguang
2009-06-03 16:05                 ` Andi Kleen
2009-05-27 20:12 ` [PATCH] [14/16] HWPOISON: FOR TESTING: Enable memory failure code unconditionally Andi Kleen
2009-05-27 20:12 ` [PATCH] [15/16] HWPOISON: Add madvise() based injector for hardware poisoned pages v3 Andi Kleen
2009-05-27 20:12 ` [PATCH] [16/16] HWPOISON: Add simple debugfs interface to inject hwpoison on arbitary PFNs Andi Kleen

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