powerpc: ftrace, added missing icache flush

[mv-sheeva.git] / arch / powerpc / kernel / ftrace.c

diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index ea454a004406311abf0cb6de99e27133ac5b4207..a4640e4f11720fffd2d062e0744391e4e05b716a 100644 (file)
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -271,6 +271,9 @@ __ftrace_make_nop(struct module *mod,
        if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
                return -EPERM;
 
+
+       flush_icache_range(ip, ip + 8);
+
        return 0;
 }
 
@@ -342,6 +345,8 @@ __ftrace_make_nop(struct module *mod,
        if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
                return -EPERM;
 
+       flush_icache_range(ip, ip + 8);
+
        return 0;
 }
 #endif /* PPC64 */
@@ -438,6 +443,8 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
        if (probe_kernel_write((void *)ip, op, MCOUNT_INSN_SIZE * 2))
                return -EPERM;
 
+       flush_icache_range(ip, ip + 8);
+
        return 0;
 }
 #else
@@ -481,6 +488,8 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
        if (probe_kernel_write((void *)ip, &op, MCOUNT_INSN_SIZE))
                return -EPERM;
 
+       flush_icache_range(ip, ip + 8);
+
        return 0;
 }
 #endif /* CONFIG_PPC64 */