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authorArnd Bergmann2015-05-26 17:08:46 +0200
committerRussell King2015-05-28 01:29:22 +0200
commit6e27549bbcdb35975d5c157a2170b81bcb1291db (patch)
treee40f0221bae52eec84e6ed9e998d15c6b8c92631 /arch/arm/include/asm
parentARM: 8379/1: disable CONFIG_PTDUMP on !MMU (diff)
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ARM: 8380/1: bpf: fix NOMMU build
arch/arm/net/built-in.o: In function `bpf_jit_compile': :(.text+0x2758): undefined reference to `set_memory_ro' arch/arm/net/built-in.o: In function `bpf_jit_free': :(.text+0x27ac): undefined reference to `set_memory_rw' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/cacheflush.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 2d46862e7bef..4812cda8fd17 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -482,10 +482,17 @@ 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_DEBUG_RODATA
void mark_rodata_ro(void);