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-rw-r--r--arch/csky/kernel/probes/ftrace.c3
-rw-r--r--arch/csky/kernel/smp.c4
-rw-r--r--arch/csky/kernel/vdso.c14
3 files changed, 5 insertions, 16 deletions
diff --git a/arch/csky/kernel/probes/ftrace.c b/arch/csky/kernel/probes/ftrace.c
index 834cffcfbc..7ba4b98076 100644
--- a/arch/csky/kernel/probes/ftrace.c
+++ b/arch/csky/kernel/probes/ftrace.c
@@ -12,6 +12,9 @@ void kprobe_ftrace_handler(unsigned long ip, unsigned long parent_ip,
struct kprobe_ctlblk *kcb;
struct pt_regs *regs;
+ if (unlikely(kprobe_ftrace_disabled))
+ return;
+
bit = ftrace_test_recursion_trylock(ip, parent_ip);
if (bit < 0)
return;
diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c
index 8e42352cbf..92dbbf3e02 100644
--- a/arch/csky/kernel/smp.c
+++ b/arch/csky/kernel/smp.c
@@ -152,10 +152,6 @@ void arch_irq_work_raise(void)
}
#endif
-void __init smp_prepare_boot_cpu(void)
-{
-}
-
void __init smp_prepare_cpus(unsigned int max_cpus)
{
}
diff --git a/arch/csky/kernel/vdso.c b/arch/csky/kernel/vdso.c
index 16c20d64d1..2ca886e4a4 100644
--- a/arch/csky/kernel/vdso.c
+++ b/arch/csky/kernel/vdso.c
@@ -8,25 +8,15 @@
#include <linux/slab.h>
#include <asm/page.h>
-#ifdef GENERIC_TIME_VSYSCALL
#include <vdso/datapage.h>
-#else
-#include <asm/vdso.h>
-#endif
extern char vdso_start[], vdso_end[];
static unsigned int vdso_pages;
static struct page **vdso_pagelist;
-/*
- * The vDSO data page.
- */
-static union {
- struct vdso_data data;
- u8 page[PAGE_SIZE];
-} vdso_data_store __page_aligned_data;
-struct vdso_data *vdso_data = &vdso_data_store.data;
+static union vdso_data_store vdso_data_store __page_aligned_data;
+struct vdso_data *vdso_data = vdso_data_store.data;
static int __init vdso_init(void)
{