Messages in this thread Patch in this message | | | From | Jan Kiszka <> | Subject | [PATCH] x86: pat: Do not compile stubbed functions when X86_PAT is off | Date | Thu, 6 Feb 2020 15:55:19 +0100 |
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From: Jan Kiszka <jan.kiszka@siemens.com>
Those are already provided by linux/io.h as stubs.
The conflict remains invisible until someone would pull {linux,asm}/io.h into memtype.c.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> --- arch/x86/mm/pat/memtype.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/mm/pat/memtype.c b/arch/x86/mm/pat/memtype.c index 394be8611748..a695e17bd4c7 100644 --- a/arch/x86/mm/pat/memtype.c +++ b/arch/x86/mm/pat/memtype.c @@ -801,6 +801,7 @@ void memtype_free_io(resource_size_t start, resource_size_t end) memtype_free(start, end); } +#ifdef CONFIG_X86_PAT int arch_io_reserve_memtype_wc(resource_size_t start, resource_size_t size) { enum page_cache_mode type = _PAGE_CACHE_MODE_WC; @@ -814,6 +815,7 @@ void arch_io_free_memtype_wc(resource_size_t start, resource_size_t size) memtype_free_io(start, start + size); } EXPORT_SYMBOL(arch_io_free_memtype_wc); +#endif pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, unsigned long size, pgprot_t vma_prot) -- 2.16.4
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