linux-kernel - Re: [RFC/PATCH] i386: handle all exceptions with interrupts off initially

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Message-ID: <20080910072455.GA12108@elte.hu>
Date:	Wed, 10 Sep 2008 09:24:55 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	heukelum@...tmail.fm, linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH] i386: handle all exceptions with interrupts off
	initially


* Ingo Molnar <mingo@...e.hu> wrote:

> great - i'll check which topic this fits in best. I suspect it will 
> get its own topic - but there could be interactions as traps*.c is a 
> central (and hence popular) file [...]

i've put Alexander's patches into a new -git based topic: tip/x86/traps 
- and git sorted the merge into tip/master out automatically, so this 
will be ok logistically. The commits are below.

	Ingo

------------------------>
71d6990: i386: trace_hardirqs_fixup should now not be necessary: irqs are off.
0dbf58b: i386: add TRACE_IRQS_OFF for the exception 3 (int3)
340f725: i386: add TRACE_IRQS_OFF for the nmi
c320a17: i386: add TRACE_IRQS_OFF for exception 1 (debug)
b51f1c3: i386: add TRACE_IRQS_OFF to entry_32.S in 'error_code'
d7af1f9: i386: remove temporary DO_TRAP macros, expanding the last one used
8915399: i386: convert hardware exception 19 to an interrupt gate
cc0302d: i386: convert hardware exception 18 to an interrupt gate
ed530ad: i386: convert hardware exception 17 to an interrupt gate
97082d7: i386: convert hardware exception 16 to an interrupt gate
d2ac8fa: i386: convert hardware exception 15 to an interrupt gate
0fdfcc7: i386: convert hardware exception 13 to an interrupt gate
f490c71: i386: convert hardware exception 12 to an interrupt gate
c4781f3: i386: convert hardware exception 11 to an interrupt gate
22d09d5: i386: convert hardware exception 10 to an interrupt gate
00f28ef: i386: convert hardware exception 9 to an interrupt gate
3a08e35: i386: convert hardware exception 7 to an interrupt gate
1fb2f60: i386: convert hardware exception 6 to an interrupt gate
4b00f5f: i386: convert hardware exception 5 to an interrupt gate
118ab1a: i386: convert hardware exception 4 to an interrupt gate
376de73: i386: expand exception 3 DO_TRAP macro
bec6f72: i386: convert hardware exception 0 to an interrupt gate
d72fa10: i386: prepare to convert exceptions to interrupts
b5721fe9: i386: remove kprobes' restore_interrupts in favour of conditional_sti
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