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SubjectRe: [PATCH v2 3/9] iommu/ioasid: Introduce ioasid_set APIs
Hi Jacob,

I love your patch! Perhaps something to improve:

[auto build test WARNING on iommu/next]
[also build test WARNING on linux/master linus/master v5.9-rc1 next-20200821]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in]

base: next
config: x86_64-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <>

All warnings (new ones prefixed by >>):

drivers/iommu/ioasid.c: In function 'ioasid_get_capacity':
>> drivers/iommu/ioasid.c:50:10: warning: old-style function definition [-Wold-style-definition]
50 | ioasid_t ioasid_get_capacity()
| ^~~~~~~~~~~~~~~~~~~
drivers/iommu/ioasid.c: At top level:
>> drivers/iommu/ioasid.c:577:6: warning: no previous prototype for 'ioasid_set_get' [-Wmissing-prototypes]
577 | void ioasid_set_get(struct ioasid_set *set)
| ^~~~~~~~~~~~~~

git remote add linux-review
git fetch --no-tags linux-review Jacob-Pan/IOASID-extensions-for-guest-SVA/20200822-123111
git checkout 59b6f319b27588b2a8a0268a4f4f09f7be458861
vim +50 drivers/iommu/ioasid.c

> 50 ioasid_t ioasid_get_capacity()
51 {
52 return ioasid_capacity;
53 }
54 EXPORT_SYMBOL_GPL(ioasid_get_capacity);

0-DAY CI Kernel Test Service, Intel Corporation
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