On 28/10/2016 08:31, Keerthy wrote:
Clear the XN bit in the ARMV7_DCACHE_POLICY so as to mark the regions as execute okay.
Signed-off-by: Keerthy j-keerthy@ti.com
How did you ever get the bit set in DCACHE_WRITEALLOC or WRITEBACK in the first place? Both are RAM mapping flags which shouldn't have the XN mask set.
Alex
arch/arm/cpu/armv7/omap-common/omap-cache.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/armv7/omap-common/omap-cache.c b/arch/arm/cpu/armv7/omap-common/omap-cache.c index b37163a..a71aa0d 100644 --- a/arch/arm/cpu/armv7/omap-common/omap-cache.c +++ b/arch/arm/cpu/armv7/omap-common/omap-cache.c @@ -34,7 +34,7 @@ DECLARE_GLOBAL_DATA_PTR; */
#ifdef CONFIG_ARMV7_LPAE -#define ARMV7_DCACHE_POLICY DCACHE_WRITEALLOC +#define ARMV7_DCACHE_POLICY DCACHE_WRITEALLOC & ~TTB_SECT_XN_MASK #else #define ARMV7_DCACHE_POLICY DCACHE_WRITEBACK & ~TTB_SECT_XN_MASK #endif