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Commit 015eb1b8 authored by Michael Ellerman's avatar Michael Ellerman
Browse files

powerpc/mm/radix: Fix build error when RADIX_MMU=n 



The recent TLB flush rework broke the build when the Radix MMU is
disabled at build time, eg:

  (.text+0x264): undefined reference to `.radix__tlbiel_all'

We could add an empty version, but if we ever called it by accident
that would indicate a bad bug, so add a stub that just WARNs if we do.

Fixes: d4748276 ("powerpc/64s: Improve local TLB flush for boot and MCE on POWER9")
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 516c32f6

arch/powerpc/include/asm/book3s/64/tlbflush-radix.h

+4 −0
Original line number Diff line number Diff line
@@ -11,7 +11,11 @@ static inline int mmu_get_ap(int psize) 
	return mmu_psize_defs[psize].ap;

}



#ifdef CONFIG_PPC_RADIX_MMU

extern void radix__tlbiel_all(unsigned int action);

#else

static inline void radix__tlbiel_all(unsigned int action) { WARN_ON(1); };

#endif



extern void radix__flush_hugetlb_tlb_range(struct vm_area_struct *vma,

					   unsigned long start, unsigned long end);