If one builds the kernel with -Wempty-body one gets this warning:
mm/memory.c:3432:46: warning: suggest braces around empty body in an ʽifʼ statement [-Wempty-body]
due to the fact that 'flush_tlb_fix_spurious_fault' is a macro that
can sometimes be defined to nothing.
Signed-off-by: Jesper Juhl <jj@xxxxxxxxxxxxx>
---
arch/x86/include/asm/pgtable.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 18601c8..ebe7e76 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -703,7 +703,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm,
pte_update(mm, addr, ptep);
}
-#define flush_tlb_fix_spurious_fault(vma, address)
+#define flush_tlb_fix_spurious_fault(vma, address) do {} while (0)
#define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot))
--
1.7.8
--
Jesper Juhl <jj@xxxxxxxxxxxxx> http://www.chaosbits.net/
Don't top-post http://www.catb.org/jargon/html/T/top-post.html
Plain text mails only, please.