x86, traps: converge do_debug handlers

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Make the x86_64-version and the i386-version of do_debug
more similar.

 - introduce preempt_conditional_sti/cli to i386. The preempt-count
	is now elevated during the trap handler, like on x86_64. It
	does not run on a separate stack, however.
 - replace an open-coded "send_sigtrap"
 - copy some comments

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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This commit is contained in:

Alexander van Heukelum 2008-09-30 18:41:37 +02:00 • committed by Ingo Molnar

parent e407d62088

commit 3d2a71a596

3 changed files with 30 additions and 21 deletions

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30

arch/x86/kernel/traps_32.c

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17

arch/x86/kernel/traps_64.c

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