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From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/06] ARM: SuperH Mobile ARM, sh7367 and G3EVM support V2
Date: Fri, 5 Feb 2010 22:10:09 +0000	[thread overview]
Message-ID: <20100205221009.GA1923@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <20100205111449.17065.11983.sendpatchset@rxone.opensource.se>

On Fri, Feb 05, 2010 at 08:14:49PM +0900, Magnus Damm wrote:
> +	.macro  get_irqnr_preamble, base, tmp
> +	.endm
> +
> +	.macro  arch_ret_to_user, tmp1, tmp2
> +	.endm
> +
> +	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
> +	ldr     \base, =INTFLGA

There's the potential for an optimisation here - move this instruction
into get_irqnr_preamble, and you'll avoid having to re-load the base
register if there's multiple IRQs pending.

  reply	other threads:[~2010-02-05 22:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-05 11:14 [PATCH 00/06] ARM: Initial SuperH Mobile ARM support V2 Magnus Damm
2010-02-05 11:14 ` [PATCH 01/06] ARM: SuperH Mobile ARM, sh7367 and G3EVM " Magnus Damm
2010-02-05 22:10   ` Russell King - ARM Linux [this message]
2010-02-05 11:14 ` [PATCH 02/06] ARM: Add sh7377 and G4EVM " Magnus Damm
2010-02-05 11:15 ` [PATCH 03/06] ARM: Add sh7372 and AP4EVB " Magnus Damm
2010-02-05 11:15 ` [PATCH 04/06] sh: Build drivers/sh for SuperH Mobile ARM Magnus Damm
2010-02-05 11:15 ` [PATCH 05/06] sh: Let INTC set IRQF_VALID on ARM platforms V2 Magnus Damm
2010-02-05 11:15 ` [PATCH 06/06] sh-sci: SuperH Mobile ARM support V2 Magnus Damm

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