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SubjectRe: [PATCH] x86: warn on apic error
On Fri, Jul 18, 2008 at 7:44 PM, Cyrill Gorcunov <gorcunov@gmail.com> wrote:
> [Vegard Nossum - Fri, Jul 18, 2008 at 07:28:21PM +0200]
> | From e89f2a9f33d01a2df7553b63cb1df525c6e75ad4 Mon Sep 17 00:00:00 2001
> | From: Vegard Nossum <vegard.nossum@gmail.com>
> | Date: Fri, 18 Jul 2008 19:14:06 +0200
> | Subject: [PATCH] x86: warn on apic error
> |
> | There are certain APIC errors which are obviously programmer errors,
> | e.g. writing to illegal APIC registers, or sending invalid interrupt
> | vectors. Since the error interrupt happens spot on the erroneous code,
> | we might as well make a bit of noise about it and display the stack-
> | trace.

> Hi Vegard, i think you better should use #APIC_ESR_... macroses
> from apicdef.h instead of hardcoded bits.

OOps. I actually had this in my commit message, but it disappeared mysteriously:

In particular, the errors we do this for are:

- Send CS error
- Send accept error
- Send illegal vector
- Illegal register address

(The error codes are listed in a comment just above the code in
question.)

But if these definitions exist, then I will use them. Thanks!


Vegard

--
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
-- E. W. Dijkstra, EWD1036


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