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Diffstat (limited to 'arch/sh/kernel/ftrace.c')
-rw-r--r--arch/sh/kernel/ftrace.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/sh/kernel/ftrace.c b/arch/sh/kernel/ftrace.c
index 53783978162e..d18724d186f3 100644
--- a/arch/sh/kernel/ftrace.c
+++ b/arch/sh/kernel/ftrace.c
@@ -96,19 +96,6 @@ static int mod_code_status; /* holds return value of text write */
static void *mod_code_ip; /* holds the IP to write to */
static void *mod_code_newcode; /* holds the text to write to the IP */
-static unsigned nmi_wait_count;
-static atomic_t nmi_update_count = ATOMIC_INIT(0);
-
-int ftrace_arch_read_dyn_info(char *buf, int size)
-{
- int r;
-
- r = snprintf(buf, size, "%u %u",
- nmi_wait_count,
- atomic_read(&nmi_update_count));
- return r;
-}
-
static void clear_mod_flag(void)
{
int old = atomic_read(&nmi_running);
@@ -144,7 +131,6 @@ void arch_ftrace_nmi_enter(void)
if (atomic_inc_return(&nmi_running) & MOD_CODE_WRITE_FLAG) {
smp_rmb();
ftrace_mod_code();
- atomic_inc(&nmi_update_count);
}
/* Must have previous changes seen before executions */
smp_mb();
@@ -165,8 +151,6 @@ static void wait_for_nmi_and_set_mod_flag(void)
do {
cpu_relax();
} while (atomic_cmpxchg(&nmi_running, 0, MOD_CODE_WRITE_FLAG));
-
- nmi_wait_count++;
}
static void wait_for_nmi(void)
@@ -177,8 +161,6 @@ static void wait_for_nmi(void)
do {
cpu_relax();
} while (atomic_read(&nmi_running));
-
- nmi_wait_count++;
}
static int