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Date:   Fri, 17 Nov 2023 14:16:00 +0100
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Subject: Re: arch/parisc/net/bpf_jit_comp32.c:321:13: sparse: sparse: missing
 identifier in declaration
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To:     kernel test robot <lkp@intel.com>
Cc:     oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org
References: <202311172127.5PEz8XzL-lkp@intel.com>
From:   Helge Deller <deller@gmx.de>
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Precedence: bulk

On 11/17/23 14:07, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.g=
it master
> head:   7475e51b87969e01a6812eac713a1c8310372e8a
> commit: 4800a6215e335c6dade05e10c8fdbf919c04a3a7 parisc: Wire up eBPF JI=
T compiler
> date:   3 months ago
> config: parisc-randconfig-r113-20231115 (https://download.01.org/0day-ci=
/archive/20231117/202311172127.5PEz8XzL-lkp@intel.com/config)
> compiler: hppa-linux-gcc (GCC) 13.2.0
> reproduce: (https://download.01.org/0day-ci/archive/20231117/20231117212=
7.5PEz8XzL-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new ver=
sion 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/202311172127.5PEz8XzL-lk=
p@intel.com/
>
> sparse warnings: (new ones prefixed by >>)
>>> arch/parisc/net/bpf_jit_comp32.c:321:13: sparse: sparse: missing ident=
ifier in declaration
>     arch/parisc/net/bpf_jit_comp32.c:321:13: sparse: sparse: Expected ; =
at the end of type declaration
>     arch/parisc/net/bpf_jit_comp32.c:321:13: sparse: sparse: got $
>     arch/parisc/net/bpf_jit_comp32.c:322:13: sparse: sparse: Expected ; =
at the end of type declaration
>     arch/parisc/net/bpf_jit_comp32.c:322:13: sparse: sparse: got $
>     arch/parisc/net/bpf_jit_comp32.c:323:13: sparse: sparse: Expected ; =
at the end of type declaration
>     arch/parisc/net/bpf_jit_comp32.c:323:13: sparse: sparse: got $
>     arch/parisc/net/bpf_jit_comp32.c:666:37: sparse: sparse: Expected ) =
in function call
>     arch/parisc/net/bpf_jit_comp32.c:666:37: sparse: sparse: got $
>     arch/parisc/net/bpf_jit_comp32.c:669:37: sparse: sparse: Expected ) =
in function call
>     arch/parisc/net/bpf_jit_comp32.c:669:37: sparse: sparse: got $
>     arch/parisc/net/bpf_jit_comp32.c:672:37: sparse: sparse: Expected ) =
in function call
>     arch/parisc/net/bpf_jit_comp32.c:672:37: sparse: sparse: got $
>>> arch/parisc/net/bpf_jit_comp32.c:666:36: sparse: sparse: not enough ar=
guments for function emit_call_millicode
>     arch/parisc/net/bpf_jit_comp32.c:669:36: sparse: sparse: not enough =
arguments for function emit_call_millicode
>     arch/parisc/net/bpf_jit_comp32.c:672:36: sparse: sparse: not enough =
arguments for function emit_call_millicode
>
> vim +321 arch/parisc/net/bpf_jit_comp32.c
>
> ceb0e7267693d3 Helge Deller 2023-08-17  319
> ceb0e7267693d3 Helge Deller 2023-08-17  320  /* extern hppa millicode fu=
nctions */
> ceb0e7267693d3 Helge Deller 2023-08-17 @321  extern void $$mulI(void);
> ceb0e7267693d3 Helge Deller 2023-08-17  322  extern void $$divU(void);
> ceb0e7267693d3 Helge Deller 2023-08-17  323  extern void $$remU(void);

This is actually a sparse bug.... "$" is a valid character with which func=
tion
names may start with (at least on parisc).

Helge