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SubjectRe: [PATCH] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.
Hi Ashish,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on hch-configfs/for-next]
[cannot apply to linus/master v5.4 next-20191206]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see]

base: git:// for-next
config: x86_64-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
# save the attached .config to linux build tree
make ARCH=x86_64

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

All warnings (new ones prefixed by >>):

In file included from kernel/dma/swiotlb.c:24:0:
include/linux/dma-direct.h:49:1: error: expected identifier or '(' before '{' token
In file included from kernel/dma/swiotlb.c:24:0:
>> include/linux/dma-direct.h:47:29: warning: 'adjust_swiotlb_default_size' used but never defined
static inline unsigned long adjust_swiotlb_default_size

vim +/adjust_swiotlb_default_size +47 include/linux/dma-direct.h

45 unsigned long adjust_swiotlb_default_size(unsigned long default_size);
46 #else
> 47 static inline unsigned long adjust_swiotlb_default_size
48 (unsigned long default_size);
> 49 {
50 return default_size;
51 }

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation
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