Blackfin: add blackfin_invalidate_entire_icache for SMP systems
The KGDB code uses this when switching processors to make sure the icache
is in a valid state.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
index 8663781..2ef669e 100644
--- a/arch/blackfin/include/asm/cache.h
+++ b/arch/blackfin/include/asm/cache.h
@@ -34,9 +34,13 @@
#define L1_CACHE_SHIFT_MAX 5
#if defined(CONFIG_SMP) && \
- !defined(CONFIG_BFIN_CACHE_COHERENT) && \
- defined(CONFIG_BFIN_DCACHE)
-#define __ARCH_SYNC_CORE_DCACHE
+ !defined(CONFIG_BFIN_CACHE_COHERENT)
+# if defined(CONFIG_BFIN_ICACHE)
+# define __ARCH_SYNC_CORE_ICACHE
+# endif
+# if defined(CONFIG_BFIN_DCACHE)
+# define __ARCH_SYNC_CORE_DCACHE
+# endif
#ifndef __ASSEMBLY__
asmlinkage void __raw_smp_mark_barrier_asm(void);
asmlinkage void __raw_smp_check_barrier_asm(void);
@@ -51,6 +55,7 @@
}
void resync_core_dcache(void);
+void resync_core_icache(void);
#endif
#endif