From: Andi Kleen <andi@firstfloor.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <andi@firstfloor.org>,
Huang Ying <ying.huang@intel.com>, Len Brown <lenb@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
Borislav Petkov <petkovbb@googlemail.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>, Don Zickus <dzickus@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mauro Carvalho Chehab <mchehab@redhat.com>,
Arjan van de Ven <arjan@infradead.org>
Subject: Re: [NAK] Re: [PATCH -v2 9/9] ACPI, APEI, Generic Hardware Error Source POLL/IRQ/NMI notification type support
Date: Mon, 25 Oct 2010 15:11:27 +0200 [thread overview]
Message-ID: <20101025131127.GC17622@basil.fritz.box> (raw)
In-Reply-To: <20101025125531.GA6075@elte.hu>
On Mon, Oct 25, 2010 at 02:55:31PM +0200, Ingo Molnar wrote:
>
> * Andi Kleen <andi@firstfloor.org> wrote:
>
> > On Mon, Oct 25, 2010 at 01:15:30PM +0200, Ingo Molnar wrote:
> >
> > > > > > einj.c: it's about the 3rd separate 'error injection' concept that got
> > > > > > introduced ...
> > > > >
> > > > > EINJ is a true platform feature, not just software feature. We need to support
> > > > > it to debug various hardware error features.
> > > >
> > > > Also having multiple error injecting interfaces is a good thing.
> > >
> > > It's never a good thing to have separate, vendor dependent interfaces for what
> > > to the user is basically the same conceptual thing!
> >
> > Perhaps a simple example (simplified, in practice there are more complications)
> > makes it more clear:
> >
> > The memory error handler does different actions depending on what the state the
> > page the error is happening on is in.
>
> What you appear to be arguing for is the ability to inject different types of
> events.
Different events in different contexts with different drivers
with different parameters using different tools.
Commonality: about 0% exept there's "error" somewhere in the description.
-Andi
next prev parent reply other threads:[~2010-10-25 13:11 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-25 7:43 [PATCH -v2 0/9] ACPI, APEI patches for 2.6.37 Huang Ying
2010-10-25 7:43 ` [PATCH -v2 1/9] ACPI, APEI, Add ERST record ID cache Huang Ying
2010-10-25 7:43 ` [PATCH -v2 2/9] Add lock-less version of bitmap_set/clear Huang Ying
2010-10-25 7:43 ` [PATCH -v2 3/9] lock-less NULL terminated single list implementation Huang Ying
2010-10-25 7:43 ` [PATCH -v2 4/9] lock-less general memory allocator Huang Ying
2010-10-25 7:43 ` [PATCH -v2 5/9] Hardware error device core Huang Ying
2010-10-25 7:43 ` [PATCH -v2 6/9] Hardware error record persistent support Huang Ying
2010-10-25 7:43 ` [PATCH -v2 7/9] ACPI, APEI, Use ERST for hardware error persisting before panic Huang Ying
2010-10-25 7:43 ` [PATCH -v2 8/9] ACPI, APEI, Report GHES error record with hardware error device core Huang Ying
2010-10-25 7:43 ` [PATCH -v2 9/9] ACPI, APEI, Generic Hardware Error Source POLL/IRQ/NMI notification type support Huang Ying
2010-10-25 8:45 ` [NAK] " Ingo Molnar
2010-10-25 8:58 ` Huang Ying
2010-10-25 9:19 ` Andi Kleen
2010-10-25 11:15 ` Ingo Molnar
2010-10-25 12:04 ` Mauro Carvalho Chehab
2010-10-25 17:07 ` Tony Luck
2010-10-25 17:19 ` Mauro Carvalho Chehab
2010-10-25 12:37 ` Andi Kleen
2010-10-25 12:55 ` Ingo Molnar
2010-10-25 13:02 ` Ingo Molnar
2010-10-25 13:11 ` Andi Kleen [this message]
2010-10-25 13:47 ` Ingo Molnar
2010-10-25 15:14 ` Andi Kleen
2010-10-25 17:10 ` Ingo Molnar
2010-10-27 8:25 ` Ingo Molnar
2010-10-25 16:38 ` Thomas Gleixner
2010-10-25 9:25 ` Ingo Molnar
2010-10-25 17:14 ` Tony Luck
2010-10-25 20:23 ` Borislav Petkov
2010-10-25 21:23 ` Tony Luck
2010-10-25 21:51 ` Borislav Petkov
2010-10-25 23:35 ` Tony Luck
[not found] ` <AANLkTi=pJFUWusDNrwQA8bWYy4q5QZBHxkbikZGKvHLY@mail.gmail.com>
2010-10-26 6:26 ` Borislav Petkov
2010-10-26 1:06 ` Len Brown
2010-10-26 4:53 ` Thomas Gleixner
2010-10-26 7:22 ` Ingo Molnar
2010-10-26 7:30 ` Huang Ying
2010-10-26 7:55 ` Ingo Molnar
2010-10-26 8:32 ` Huang Ying
2010-10-26 10:03 ` Ingo Molnar
2010-10-26 8:38 ` Andi Kleen
2010-10-26 10:00 ` Thomas Gleixner
2010-10-26 8:52 ` Huang Ying
2010-10-26 10:15 ` Ingo Molnar
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