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SubjectRe: linux-next: build failure after merge of the vfio tree
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Thank you. The errors indicate that, most likely, the fsl-mc-bus patches 
from char-misc-next are missing at this point. I have added the vfio
patches on top of linux-next (which already contains the fsl-mc-bus
patches) and built x86_64 allmodconfig. There were no errors.

Thanks,
Diana

On 10/14/2020 1:16 AM, Stephen Rothwell wrote:
> Hi Diana,
>
> On Tue, 13 Oct 2020 18:56:07 +0300 Diana Craciun OSS <diana.craciun@oss.nxp.com> wrote:
>>
>> Hi,
>>
>> How does it fail? What's the error?
>
> Sorry about that:
>
> drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c: In function 'vfio_fsl_mc_set_irq_trigger':
> drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c:121:8: error: implicit declaration of function 'fsl_mc_populate_irq_pool' [-Werror=implicit-function-declaration]
> 121 | ret = fsl_mc_populate_irq_pool(mc_cont,
> | ^~~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c:122:4: error: 'FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS' undeclared (first use in this function)
> 122 | FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_release':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:178:9: error: implicit declaration of function 'dprc_reset_container' [-Werror=implicit-function-declaration]
> 178 | ret = dprc_reset_container(mc_cont->mc_io, 0,
> | ^~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:181:6: error: 'DPRC_RESET_OPTION_NON_RECURSIVE' undeclared (first use in this function)
> 181 | DPRC_RESET_OPTION_NON_RECURSIVE);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:181:6: note: each undeclared identifier is reported only once for each function it appears in
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:191:3: error: implicit declaration of function 'fsl_mc_cleanup_irq_pool' [-Werror=implicit-function-declaration]
> 191 | fsl_mc_cleanup_irq_pool(mc_cont);
> | ^~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_ioctl':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:316:9: error: 'DPRC_RESET_OPTION_NON_RECURSIVE' undeclared (first use in this function)
> 316 | DPRC_RESET_OPTION_NON_RECURSIVE);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_mmap_mmio':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:455:36: error: 'FSL_MC_REGION_CACHEABLE' undeclared (first use in this function)
> 455 | region_cacheable = (region.type & FSL_MC_REGION_CACHEABLE) &&
> | ^~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:456:22: error: 'FSL_MC_REGION_SHAREABLE' undeclared (first use in this function)
> 456 | (region.type & FSL_MC_REGION_SHAREABLE);
> | ^~~~~~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_bus_notifier':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:522:9: error: 'struct fsl_mc_device' has no member named 'driver_override'
> 522 | mc_dev->driver_override = kasprintf(GFP_KERNEL, "%s",
> | ^~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:524:14: error: 'struct fsl_mc_device' has no member named 'driver_override'
> 524 | if (!mc_dev->driver_override)
> | ^~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c: In function 'vfio_fsl_mc_init_device':
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:561:8: error: implicit declaration of function 'dprc_setup' [-Werror=implicit-function-declaration]
> 561 | ret = dprc_setup(mc_dev);
> | ^~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:567:8: error: implicit declaration of function 'dprc_scan_container' [-Werror=implicit-function-declaration]
> 567 | ret = dprc_scan_container(mc_dev, false);
> | ^~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:576:2: error: implicit declaration of function 'dprc_remove_devices' [-Werror=implicit-function-declaration]
> 576 | dprc_remove_devices(mc_dev, NULL, 0);
> | ^~~~~~~~~~~~~~~~~~~
> drivers/vfio/fsl-mc/vfio_fsl_mc.c:577:2: error: implicit declaration of function 'dprc_cleanup' [-Werror=implicit-function-declaration]
> 577 | dprc_cleanup(mc_dev);
> | ^~~~~~~~~~~~
>

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