* [android-common:android14-5.15-2026-07 0/1] include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function
@ 2026-07-02 5:53 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-02 5:53 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Isaac,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android14-5.15-2026-07
head: 9938d39e2fe99593abe347df3b82ea2f85c83d1d
commit: 77c20b4cbcd0dca8e114cbcdcdaac61f3fb9555d [0/1] iommu/dma: Trace bounce buffer usage when mapping buffers
config: i386-buildonly-randconfig-003-20260702 (https://download.01.org/0day-ci/archive/20260702/202607021344.fzbRTECH-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 0a2fb2a2269da0e2a3e230beb6cad39ca314db33)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260702/202607021344.fzbRTECH-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607021344.fzbRTECH-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
include/trace/events/swiotlb.h:15:23: error: variable has incomplete type 'enum SWIOTLB_NO_FORCE'
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
include/trace/events/swiotlb.h:15:9: note: forward declaration of 'enum SWIOTLB_NO_FORCE'
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
include/trace/events/swiotlb.h:15:23: error: variable has incomplete type 'enum SWIOTLB_NO_FORCE'
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
include/trace/events/swiotlb.h:15:9: note: forward declaration of 'enum SWIOTLB_NO_FORCE'
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
In file included from drivers/iommu/dma-iommu.c:28:
>> include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function [-Wvisibility]
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
drivers/iommu/dma-iommu.c:821:42: error: argument type 'enum SWIOTLB_NO_FORCE' is incomplete
821 | trace_swiotlb_bounced(dev, phys, size, swiotlb_force);
| ^~~~~~~~~~~~~
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^~~~~~~~~~~~~~~~
include/trace/events/swiotlb.h:15:9: note: forward declaration of 'enum SWIOTLB_NO_FORCE'
15 | enum swiotlb_force swiotlb_force),
| ^
include/linux/swiotlb.h:131:23: note: expanded from macro 'swiotlb_force'
131 | #define swiotlb_force SWIOTLB_NO_FORCE
| ^
7 warnings and 3 errors generated.
vim +15 include/trace/events/swiotlb.h
2b2b614dd24e4e Zoltan Kiss 2013-09-04 11
2b2b614dd24e4e Zoltan Kiss 2013-09-04 12 TP_PROTO(struct device *dev,
2b2b614dd24e4e Zoltan Kiss 2013-09-04 13 dma_addr_t dev_addr,
2b2b614dd24e4e Zoltan Kiss 2013-09-04 14 size_t size,
ae7871be189cb4 Geert Uytterhoeven 2016-12-16 @15 enum swiotlb_force swiotlb_force),
2b2b614dd24e4e Zoltan Kiss 2013-09-04 16
2b2b614dd24e4e Zoltan Kiss 2013-09-04 17 TP_ARGS(dev, dev_addr, size, swiotlb_force),
2b2b614dd24e4e Zoltan Kiss 2013-09-04 18
2b2b614dd24e4e Zoltan Kiss 2013-09-04 19 TP_STRUCT__entry(
2b2b614dd24e4e Zoltan Kiss 2013-09-04 20 __string( dev_name, dev_name(dev) )
2b2b614dd24e4e Zoltan Kiss 2013-09-04 21 __field( u64, dma_mask )
2b2b614dd24e4e Zoltan Kiss 2013-09-04 22 __field( dma_addr_t, dev_addr )
2b2b614dd24e4e Zoltan Kiss 2013-09-04 23 __field( size_t, size )
ae7871be189cb4 Geert Uytterhoeven 2016-12-16 24 __field( enum swiotlb_force, swiotlb_force )
2b2b614dd24e4e Zoltan Kiss 2013-09-04 25 ),
2b2b614dd24e4e Zoltan Kiss 2013-09-04 26
2b2b614dd24e4e Zoltan Kiss 2013-09-04 27 TP_fast_assign(
2b2b614dd24e4e Zoltan Kiss 2013-09-04 28 __assign_str(dev_name, dev_name(dev));
2b2b614dd24e4e Zoltan Kiss 2013-09-04 29 __entry->dma_mask = (dev->dma_mask ? *dev->dma_mask : 0);
2b2b614dd24e4e Zoltan Kiss 2013-09-04 30 __entry->dev_addr = dev_addr;
2b2b614dd24e4e Zoltan Kiss 2013-09-04 31 __entry->size = size;
2b2b614dd24e4e Zoltan Kiss 2013-09-04 32 __entry->swiotlb_force = swiotlb_force;
2b2b614dd24e4e Zoltan Kiss 2013-09-04 33 ),
2b2b614dd24e4e Zoltan Kiss 2013-09-04 34
2b2b614dd24e4e Zoltan Kiss 2013-09-04 35 TP_printk("dev_name: %s dma_mask=%llx dev_addr=%llx "
2b2b614dd24e4e Zoltan Kiss 2013-09-04 36 "size=%zu %s",
2b2b614dd24e4e Zoltan Kiss 2013-09-04 37 __get_str(dev_name),
2b2b614dd24e4e Zoltan Kiss 2013-09-04 38 __entry->dma_mask,
2b2b614dd24e4e Zoltan Kiss 2013-09-04 39 (unsigned long long)__entry->dev_addr,
2b2b614dd24e4e Zoltan Kiss 2013-09-04 40 __entry->size,
ae7871be189cb4 Geert Uytterhoeven 2016-12-16 41 __print_symbolic(__entry->swiotlb_force,
ae7871be189cb4 Geert Uytterhoeven 2016-12-16 42 { SWIOTLB_NORMAL, "NORMAL" },
fff5d99225107f Geert Uytterhoeven 2016-12-16 43 { SWIOTLB_FORCE, "FORCE" },
fff5d99225107f Geert Uytterhoeven 2016-12-16 44 { SWIOTLB_NO_FORCE, "NO_FORCE" }))
2b2b614dd24e4e Zoltan Kiss 2013-09-04 45 );
2b2b614dd24e4e Zoltan Kiss 2013-09-04 46
:::::: The code at line 15 was first introduced by commit
:::::: ae7871be189cb41184f1e05742b4a99e2c59774d swiotlb: Convert swiotlb_force from int to enum
:::::: TO: Geert Uytterhoeven <geert+renesas@glider.be>
:::::: CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-07-02 5:53 [android-common:android14-5.15-2026-07 0/1] include/trace/events/swiotlb.h:15:9: warning: declaration of 'enum SWIOTLB_NO_FORCE' will not be visible outside of this function kernel test robot
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