On Wed, Mar 01, 2017 at 04:14:53PM -0800, Laura Abbott wrote:
> diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
> index 02454fa..1cb9d11 100644
> --- a/arch/arm/include/asm/cacheflush.h
> +++ b/arch/arm/include/asm/cacheflush.h
> @@ -16,6 +16,7 @@
> #include <asm/shmparam.h>
> #include <asm/cachetype.h>
> #include <asm/outercache.h>
> +#include <asm/set_memory.h>
>
> #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
>
> @@ -478,26 +479,6 @@ static inline void __sync_cache_range_r(volatile void *p, size_t size)
> : : : "r0","r1","r2","r3","r4","r5","r6","r7", \
> "r9","r10","lr","memory" )
>
> -#ifdef CONFIG_MMU
> -int set_memory_ro(unsigned long addr, int numpages);
> -int set_memory_rw(unsigned long addr, int numpages);
> -int set_memory_x(unsigned long addr, int numpages);
> -int set_memory_nx(unsigned long addr, int numpages);
> -#else
> -static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
> -static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
> -static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
> -static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
> -#endif
> -
> -#ifdef CONFIG_STRICT_KERNEL_RWX
> -void set_kernel_text_rw(void);
> -void set_kernel_text_ro(void);
> -#else
> -static inline void set_kernel_text_rw(void) { }
> -static inline void set_kernel_text_ro(void) { }
> -#endif
> -
> void flush_uprobe_xol_access(struct page *page, unsigned long uaddr,
> void *kaddr, unsigned long len);
>
> diff --git a/arch/arm/include/asm/set_memory.h b/arch/arm/include/asm/set_memory.h
> new file mode 100644
> index 0000000..5aa4315
> --- /dev/null
> +++ b/arch/arm/include/asm/set_memory.h
> @@ -0,0 +1,32 @@
> +/*
> + * Copyright (C) 1999-2002 Russell King
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#ifndef _ASMARM_SET_MEMORY_H
> +#define _ASMARM_SET_MEMORY_H
> +
> +#ifdef CONFIG_MMU
> +int set_memory_ro(unsigned long addr, int numpages);
> +int set_memory_rw(unsigned long addr, int numpages);
> +int set_memory_x(unsigned long addr, int numpages);
> +int set_memory_nx(unsigned long addr, int numpages);
> +#else
> +static inline int set_memory_ro(unsigned long addr, int numpages) { return 0; }
> +static inline int set_memory_rw(unsigned long addr, int numpages) { return 0; }
> +static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
> +static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
> +#endif
> +
> +#ifdef CONFIG_STRICT_KERNEL_RWX
> +void set_kernel_text_rw(void);
> +void set_kernel_text_ro(void);
> +#else
> +static inline void set_kernel_text_rw(void) { }
> +static inline void set_kernel_text_ro(void) { }
> +#endif
> +
> +#endif
Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
Thanks.
--
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