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Date:   Sun, 12 Nov 2023 07:28:00 +0800
From:   kernel test robot <>
To:     Yong Wu <>, Rob Herring <>,
        Sumit Semwal <>,, Matthias Brugger <>
        John Stultz <>,
        Krzysztof Kozlowski <>,
        Jeffrey Kardatzke <>,
        Benjamin Gaignard <>,
        Vijayanand Jitta <>,
        Nicolas Dufresne <>,
        Yong Wu <>,,,,
        Conor Dooley <>,,,,
        Joakim Bech <>,,,
        AngeloGioacchino Del Regno 
Subject: Re: [PATCH v2 4/8] dma-buf: heaps: secure_heap: Add tee memory
 service call

Hi Yong,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on robh/for-next drm-tip/drm-tip linus/master v6.6 next-20231110]
[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:   git:// drm-misc-next
patch link:
patch subject: [PATCH v2 4/8] dma-buf: heaps: secure_heap: Add tee memory service call
config: powerpc-allmodconfig (
compiler: powerpc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (

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 <>
| Closes:

All errors (new ones prefixed by >>):

   powerpc64-linux-ld: warning: discarding dynamic section .glink
   powerpc64-linux-ld: warning: discarding dynamic section .plt
   powerpc64-linux-ld: linkage table error against `tee_client_open_session'
   powerpc64-linux-ld: stubs don't match calculated size
   powerpc64-linux-ld: can not build stubs: bad value
   powerpc64-linux-ld: drivers/dma-buf/heaps/secure_heap.o: in function `secure_heap_tee_session_init':
   secure_heap.c:(.text.secure_heap_tee_session_init+0xd0): undefined reference to `tee_client_open_context'
   powerpc64-linux-ld: secure_heap.c:(.text.secure_heap_tee_session_init+0x2b4): undefined reference to `tee_client_open_session'
   powerpc64-linux-ld: secure_heap.c:(.text.secure_heap_tee_session_init+0x458): undefined reference to `tee_client_close_context'
   powerpc64-linux-ld: drivers/dma-buf/heaps/secure_heap.o: in function `secure_heap_tee_service_call.constprop.0':
>> secure_heap.c:(.text.secure_heap_tee_service_call.constprop.0+0xbc): undefined reference to `tee_client_invoke_func'

0-DAY CI Kernel Test Service

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