[PATCH v2 00/16] Switch GIC users (and omap2plus) to CONFIG_MULTI_IRQ_HANDLER

[Marc Zyngier]

On 27/09/11 11:20, Shawn Guo wrote:
> On Mon, Sep 26, 2011 at 12:02:19PM +0100, Marc Zyngier wrote:
>> In order to support multiple primary interrupt controllers in the same
>> image, it is necessary to use the MULTI_IRQ_HANDLER config option.
>>
>> This patch series makes a first step in that direction by:
>> - having the GIC code to provides a global handler,
>> - make GIC users to provide this handler from their machine descriptor.
>>
>> A side effect of this is that it forces OMAP2/3 platforms to be
>> converted too in order to preserve the MULTI_OMAP feature. This leads
>> to a certain simplification of the interrupt handling for the
>> OMAP2/3/4 platforms.
>>
>> The primary IRQ handlers have been written in C, and the performance
>> degradation is hardly noticeable. Should some tests reveal a major
>> increase in latency, it is always possible to restore the ASM version.
>>
>> This series has been tested on VE (A9, A5, A15), PB11MP, Panda, IGEPv2
>> and Harmony. Patches against next-20110926 plus my PPI series.
>>
>> From v1:
>> - Add forgotten patch to make global handler and MULTI_IRQ_HANDLER
>>   mutually exclusive.
>> - Introduce handle_IPI(), which is similar to do_IP() and callable
>>   from C code.
>>
>> Marc Zyngier (16):
>>   ARM: Make global handler and CONFIG_MULTI_IRQ_HANDLER mutually
>>     exclusive
>>   ARM: smp: Add an IPI handler callable from C code
>>   ARM: GIC: Add global gic_handle_irq() function
>>   ARM: RealView: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: VExpress: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: msm: convert SMP platforms to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: GIC: Add global gic_handle_irq_offset() function
>>   ARM: exynos4: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: tegra2: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: ux500: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: shmobile: convert smp platforms to gic_handle_irq()
>>   ARM: cns3xxx: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: zynq: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: omap2/3: Add global omap2/3_intc_handle_irq() functions
>>   ARM: omap2plus: convert to CONFIG_MULTI_IRQ_HANDLER
>>   ARM: GIC: Make MULTI_IRQ_HANDLER mandatory
>>
> On imx6q:
> 
> Tested-by: Shawn Guo <shawn.guo at linaro.org>
> 

Thanks for testing.

	M.
-- 
Jazz is not dead. It just smells funny...