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powerpc/kdump: Fix powernv build break when KEXEC_CORE=n

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If KEXEC_CORE is not enabled, powernv builds fail as follows.

  arch/powerpc/platforms/powernv/smp.c: In function 'pnv_smp_cpu_kill_self':
  arch/powerpc/platforms/powernv/smp.c:236:4: error:
  	implicit declaration of function 'crash_ipi_callback'

Add dummy function calls, similar to kdump_in_progress(), to solve the
problem.

Fixes: 4145f35864 ("powernv/kdump: Fix cases where the kdump kernel can get HMI's")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Guenter Roeck 2018-02-12 14:34:07 -08:00 committed by Michael Ellerman
parent 82343484a2
commit 9109617545
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/include/asm/kexec.h
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@ -140,6 +140,12 @@ static inline bool kdump_in_progress(void)
return false;
}
static inline void crash_ipi_callback(struct pt_regs *regs) { }
static inline void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
{
}
#endif /* CONFIG_KEXEC_CORE */
#endif /* ! __ASSEMBLY__ */
#endif /* __KERNEL__ */