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Date: Thu, 8 May 2025 17:33:14 +0100
From: Nathan Chancellor <nathan@kernel.org>
To: kernel test robot <lkp@intel.com>
Cc: Xi Ruoyao <xry111@xry111.site>, llvm@lists.linux.dev,
	oe-kbuild-all@lists.linux.dev, Palmer Dabbelt <palmer@rivosinc.com>
Subject: Re: [linux-next:master 3551/8679]
 arch/riscv/kernel/compat_signal.c:220:28: error: use of undeclared
 identifier 'compat__vdso_rt_sigreturn_offset'
Message-ID: <20250508163314.GB834338@ax162>
References: <202505071542.jdBqsSPB-lkp@intel.com>
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In-Reply-To: <202505071542.jdBqsSPB-lkp@intel.com>

On Wed, May 07, 2025 at 03:31:13PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   0a00723f4c2d0b273edd0737f236f103164a08eb
> commit: 89079520cef65d6da1e864eab4464effe5396e23 [3551/8679] RISC-V: vDSO: Wire up getrandom() vDSO implementation
> config: riscv-defconfig (https://download.01.org/0day-ci/archive/20250507/202505071542.jdBqsSPB-lkp@intel.com/config)
> compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250507/202505071542.jdBqsSPB-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/202505071542.jdBqsSPB-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
> >> arch/riscv/kernel/compat_signal.c:220:28: error: use of undeclared identifier 'compat__vdso_rt_sigreturn_offset'
>      220 |         regs->ra = (unsigned long)COMPAT_VDSO_SYMBOL(
>          |                                   ^
>    arch/riscv/include/asm/vdso.h:29:42: note: expanded from macro 'COMPAT_VDSO_SYMBOL'
>       29 |         (void __user *)((unsigned long)(base) + compat__vdso_##name##_offset)
>          |                                                 ^
>    <scratch space>:315:1: note: expanded from here
>      315 | compat__vdso_rt_sigreturn_offset
>          | ^
>    1 error generated.

I think this happens because the compat vDSO errored earlier, it should
be fixed with

  https://lore.kernel.org/20250423-riscv-fix-compat_vdso-lld-v2-1-b7bbbc244501@kernel.org/

Cheers,
Nathan