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powerpc: Fix build error due to is_valid_bugaddr()

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With CONFIG_GENERIC_BUG=n the build fails with:

  arch/powerpc/kernel/traps.c:1442:5: error: no previous prototype for ‘is_valid_bugaddr’ [-Werror=missing-prototypes]
  1442 | int is_valid_bugaddr(unsigned long addr)
       |     ^~~~~~~~~~~~~~~~

The prototype is only defined, and the function is only needed, when
CONFIG_GENERIC_BUG=y, so move the implementation under that.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231130114433.3053544-2-mpe@ellerman.id.au
This commit is contained in:
Michael Ellerman 2023-11-30 22:44:33 +11:00
parent d8c3f243d4
commit f8d3555355
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/kernel/traps.c
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@ -1439,10 +1439,12 @@ static int emulate_instruction(struct pt_regs *regs)
return -EINVAL;
}
#ifdef CONFIG_GENERIC_BUG
int is_valid_bugaddr(unsigned long addr)
{
return is_kernel_addr(addr);
}
#endif
#ifdef CONFIG_MATH_EMULATION
static int emulate_math(struct pt_regs *regs)