[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] mm: fix early_memremap_ro() for all architectures
Commit 709294226f7f ("mm: provide early_memremap_ro to establish read-only mapping") broke building on some architectures like arm32 by requiring PAGE_KERNEL_RO. On architectures with that macro not defined fall back to R/W mappings. Signed-off-by: Juergen Gross <jgross@xxxxxxxx> --- include/asm-generic/fixmap.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/asm-generic/fixmap.h b/include/asm-generic/fixmap.h index d8cc637..18d261b 100644 --- a/include/asm-generic/fixmap.h +++ b/include/asm-generic/fixmap.h @@ -47,7 +47,11 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr) #define FIXMAP_PAGE_NORMAL PAGE_KERNEL #endif #ifndef FIXMAP_PAGE_RO +#ifdef PAGE_KERNEL_RO #define FIXMAP_PAGE_RO PAGE_KERNEL_RO +#else +#define FIXMAP_PAGE_RO PAGE_KERNEL +#endif #endif #ifndef FIXMAP_PAGE_NOCACHE #define FIXMAP_PAGE_NOCACHE PAGE_KERNEL_NOCACHE -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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