Re: [PATCH] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests.
From: kbuild test robot
Date: Sat Dec 07 2019 - 21:05:04 EST
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 https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Ashish-Kalra/swiotlb-Adjust-SWIOTBL-bounce-buffer-size-for-SEV-guests/20191207-184151
base: git://git.infradead.org/users/hch/configfs.git for-next
config: x86_64-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-1) 7.5.0
reproduce:
# 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 <lkp@xxxxxxxxx>
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
43
44 #ifdef CONFIG_ARCH_HAS_ADJUST_SWIOTLB_DEFAULT
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 }
52 #endif /* CONFIG_ARCH_HAS_ADJUST_SWIOTLB_DEFAULT */
53
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