Subject: [PATCH] dma: mv_xor_v2: new driver

From: [email-masked] (Marc Zyngier)
Date: Mon, 15 Feb 2016 09:59:27 +0000

Hi Thomas,

On 15/02/16 09:50, Thomas Petazzoni wrote:
> Marc,
> 
> This doesn't seem to be an issue introduced by my patch itself, but
> rather a problem with the MSI subsystem itself. Is this already a known
> issue (possibly already fixed), or should I investigate?

Seems like something is selecting GENERIC_MSI_IRQ_DOMAIN on a system
that doesn't implement the required bits.

It may be that we need to implement something like
HAS_GENERIC_MSI_IRQ_DOMAIN, and make GENERIC_MSI_IRQ_DOMAIN conditional
on that. Or just whitelist the architectures that do implement this.

Any chance you could have a closer look?

Thanks,

	M.

> 
> Thanks!
> 
> Thomas
> 
> On Mon, 15 Feb 2016 17:09:27 +0800, kbuild test robot wrote:
>> Hi Thomas,
>>
>> [auto build test ERROR on robh/for-next]
>> [also build test ERROR on v4.5-rc4 next-20160215]
>> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>>
>> url:    https://github.com/0day-ci/linux/commits/Thomas-Petazzoni/dma-mv_xor_v2-new-driver/20160215-160120
>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux for-next
>> config: openrisc-allyesconfig (attached as .config)
>> reproduce:
>>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=openrisc 
>>
>> All errors (new ones prefixed by >>):
>>
>>    In file included from kernel/irq/chip.c:14:0:
>>>> include/linux/msi.h:174:21: fatal error: asm/msi.h: No such file or directory
>>    compilation terminated.
>>
>> vim +174 include/linux/msi.h
>>
>> c2791b80 Yijing Wang    2014-11-11  168  	void (*teardown_irq)(struct msi_controller *chip, unsigned int irq);
>> 0cbdcfcf Thierry Reding 2013-08-09  169  };
>> 0cbdcfcf Thierry Reding 2013-08-09  170  
>> f3cf8bb0 Jiang Liu      2014-11-12  171  #ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN
>> d9109698 Jiang Liu      2014-11-15  172  
>> aeeb5965 Jiang Liu      2014-11-15  173  #include <linux/irqhandler.h>
>> d9109698 Jiang Liu      2014-11-15 @174  #include <asm/msi.h>
>> d9109698 Jiang Liu      2014-11-15  175  
>> f3cf8bb0 Jiang Liu      2014-11-12  176  struct irq_domain;
>> 552c494a Marc Zyngier   2015-11-23  177  struct irq_domain_ops;
>>
>> :::::: The code at line 174 was first introduced by commit
>> :::::: d9109698be6e7439e6082aa00d79d4556114739b genirq: Introduce msi_domain_alloc/free_irqs()
>>
>> :::::: TO: Jiang Liu <[email-masked]>
>> :::::: CC: Thomas Gleixner <[email-masked]>
>>
>> ---
>> 0-DAY kernel test infrastructure                Open Source Technology Center
>> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> 
> 
> 

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