Messages in this thread | | | From | Logan Gunthorpe <> | Date | Tue, 22 Oct 2019 13:52:23 -0600 | Subject | Re: [PATCH] riscv: fix fs/proc/kcore.c compilation with sparsemem enabled |
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On 2019-10-22 10:21 a.m., David Abdurachmanov wrote: > Failed to compile Fedora/RISCV kernel (5.4-rc3+) with sparsemem enabled: > > fs/proc/kcore.c: In function 'read_kcore': > fs/proc/kcore.c:510:8: error: implicit declaration of function 'kern_addr_valid'; did you mean 'virt_addr_valid'? [-Werror=implicit-function-declaration] > 510 | if (kern_addr_valid(start)) { > | ^~~~~~~~~~~~~~~ > | virt_addr_valid > > Looking at other architectures I don't see kern_addr_valid being guarded by > CONFIG_FLATMEM. > > Fixes: d95f1a542c3d ("RISC-V: Implement sparsemem") > Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com> > Tested-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
Makes sense to me.
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
> --- > arch/riscv/include/asm/pgtable.h | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h > index 42292d99cc74..7110879358b8 100644 > --- a/arch/riscv/include/asm/pgtable.h > +++ b/arch/riscv/include/asm/pgtable.h > @@ -428,9 +428,7 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma, > #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) > #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) > > -#ifdef CONFIG_FLATMEM > #define kern_addr_valid(addr) (1) /* FIXME */ > -#endif > > extern void *dtb_early_va; > extern void setup_bootmem(void); >
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