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From: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
To: Huang Ying <ying.huang@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
	Andi Kleen <ak@linux.intel.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 6/6] mce-inject: use injected mce only during faked handler call
Date: Fri, 09 Oct 2009 17:31:21 +0900	[thread overview]
Message-ID: <4ACEF4D9.9090600@jp.fujitsu.com> (raw)
In-Reply-To: <1255074286.5228.163.camel@yhuang-dev.sh.intel.com>

Huang Ying wrote:
> On Fri, 2009-10-09 at 15:27 +0800, Hidetoshi Seto wrote: 
>> Huang Ying wrote:
>>> This is another example for you to use my idea, implement it in a
>>> similar way and send it out as your own.
>> I used "Reported-by:" for this patch, having some intent to indicate
>> that this patch uses an idea different from the original one, and that
>> this patch aims at the problem certainly reported by you.
> 
> The point of the idea is to use two flags instead of one flag, not the
> name of the flag or they are inside/outside of struct mce.

Humm, I could be wrong and could misread your comment...

The point of my idea is to use two separated flags, "inject_flags" for
inject tool and "valid" for kernel, instead of one flag as you proposed,
"inject_flags" shared by both. 
And I think the flag for kernel should be outside of struct mce.

Once I complained about the name of flag ".finished", because you were
trying to add "LOADED" flag.  I thought that "if .finished but !LOADED, it
means the loading data to struct is finished but not loaded.. ???what???"

So at first I tried to add 3rd state to ".finished", but soon I agreed
that it is not good idea.

After that I started to think about having two separated flags, and the
result is this [6/6] patch in -v2.

In short, I believe that my idea is "use two flags" and your idea is
"share one flag" ... right?


The only thing what I want to do here is merge your "fix" into upstream.


Thanks,
H.Seto


  reply	other threads:[~2009-10-09  8:32 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-28  1:21 [BUGFIX -v2] x86, mce, inject: Make injected mce valid only during faked handler call Huang Ying
2009-09-28  6:40 ` Hidetoshi Seto
2009-09-28  7:09   ` Huang Ying
2009-09-28  8:02     ` Hidetoshi Seto
2009-09-28  8:27       ` Huang Ying
2009-09-28  8:59         ` Hidetoshi Seto
2009-09-28  9:15           ` Huang Ying
2009-09-28  6:46 ` [PATCH 0/5] x86, mce-inject: misc fix Hidetoshi Seto
2009-09-28  6:51   ` [PATCH 1/5] mce-inject: replace MCJ_ to MCE_INJ_ Hidetoshi Seto
2009-09-28  6:51   ` [PATCH 2/5] x86, mce: rename finished to valid in struct mce Hidetoshi Seto
2009-09-28 18:24     ` Andi Kleen
2009-09-29  8:40       ` Hidetoshi Seto
2009-09-29 23:02         ` Andi Kleen
2009-09-29 23:04         ` [PATCH 2/5] x86, mce: rename finished to valid in struct mce II Andi Kleen
2009-09-29 23:20           ` H. Peter Anvin
2009-09-30  4:39             ` Andi Kleen
2009-10-01 11:08               ` Ingo Molnar
2009-09-28  6:52   ` [PATCH 3/5] mce-inject: make injected mce valid only during faked handler call Hidetoshi Seto
2009-09-28  7:27     ` Huang Ying
2009-09-28 18:50     ` Andi Kleen
2009-09-29  8:42       ` Hidetoshi Seto
2009-09-29 20:45         ` Andi Kleen
2009-09-28  6:53   ` [PATCH 4/5] mce-inject: no wait on write with MCE_INJ_CTX_RANDOM Hidetoshi Seto
2009-09-28  6:54   ` [PATCH 5/5] mce-inject: allow injecting status=0 to poll handler Hidetoshi Seto
2009-10-05  2:52 ` [PATCH 0/6] x86, mce, mce-inject: misc fix v2 Hidetoshi Seto
2009-10-05  3:05   ` [PATCH 1/6] x86, mce: replace MCJ_ to MCE_INJ_ Hidetoshi Seto
2009-10-05  3:06   ` [PATCH 2/6] x86, mce: replace MCM_ to MCI_MISC_ Hidetoshi Seto
2009-10-05  3:07   ` [PATCH 3/6] mce-inject: no wait on write with MCE_INJ_CTX_RANDOM Hidetoshi Seto
2009-10-05  3:07   ` [PATCH 4/6] mce-inject: allow injecting status=0 to poll handler Hidetoshi Seto
2009-10-05  3:08   ` [PATCH 5/6] mce-inject: add a barrier to raise_mce() Hidetoshi Seto
2009-10-05  3:10   ` [PATCH 6/6] mce-inject: use injected mce only during faked handler call Hidetoshi Seto
2009-10-09  1:54     ` Huang Ying
2009-10-09  5:38       ` Hidetoshi Seto
2009-10-09  5:44         ` [PATCH 1/4] mce-inject: make raise_global() Hidetoshi Seto
2009-10-09  5:45         ` [PATCH 2/4] mce-inject: use individual members instead of struct mce Hidetoshi Seto
2009-10-09  6:50           ` Huang Ying
2009-10-09  7:18             ` Hidetoshi Seto
2009-10-09  5:45         ` [PATCH 3/4] mce-inject: change msr_to_offset() to mce_get_fake_reg() Hidetoshi Seto
2009-10-09  5:46         ` [PATCH 4/4] mce-inject: support injecting multiple error to a CPU Hidetoshi Seto
2009-10-09  7:14     ` [PATCH 6/6] mce-inject: use injected mce only during faked handler call Huang Ying
2009-10-09  7:27       ` Hidetoshi Seto
2009-10-09  7:44         ` Huang Ying
2009-10-09  8:31           ` Hidetoshi Seto [this message]
2009-10-09  9:11             ` Huang Ying
2009-10-13  2:34               ` Hidetoshi Seto
2009-10-13  3:28                 ` Huang Ying
2009-10-13  6:00                   ` Hidetoshi Seto
2009-10-13  6:19                     ` Huang Ying
2009-10-13  6:29                       ` Ingo Molnar
2009-10-13  7:19                         ` [RFC] x86, mce: use of TRACE_EVENT for mce Hidetoshi Seto
2009-10-13  8:43                           ` Ingo Molnar
2009-10-13  8:46                           ` [tip:perf/mce] perf_event, x86, mce: Use TRACE_EVENT() for MCE logging tip-bot for Hidetoshi Seto

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