From: Ingo Molnar <mingo@elte.hu>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@osdl.org>,
David Howells <dhowells@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i386/kernel/smp.c: don't use set_irq_regs()
Date: Mon, 4 Dec 2006 10:48:35 +0100 [thread overview]
Message-ID: <20061204094835.GD7872@elte.hu> (raw)
In-Reply-To: <20061203181642.GA226@oleg>
* 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>
Ingo
next prev parent reply other threads:[~2006-12-04 9:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-03 18:16 [PATCH] i386/kernel/smp.c: don't use set_irq_regs() Oleg Nesterov
2006-12-04 9:48 ` Ingo Molnar [this message]
2006-12-04 11:24 ` David Howells
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