Messages in this thread | | | Date | Mon, 4 Dec 2006 10:48:35 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] i386/kernel/smp.c: don't use set_irq_regs() |
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* Oleg Nesterov <oleg@tv-sign.ru> wrote:
> We don't need to setup _irq_regs in smp_xxx_interrupt (except apic > timer). These handlers run with irqs disabled and do not call > functions which need "struct pt_regs". > > Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
yeah. These are leftover inefficiencies from the ptregs conversion, which just added a regs variable to every arch-level irq handler blindly.
Acked-by: Ingo Molnar <mingo@elte.hu>
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