7 files changed, 5 insertions, 13 deletions

diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 991d71311b0e..255ef880351e 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -9,7 +9,6 @@
  */
 
 #include <linux/init.h>
-#include <linux/slab.h>
 #include <asm/cpuinfo.h>
 #include <asm/pvr.h>
 
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
index 4d5b0311601b..ce72dd4967cf 100644
--- a/arch/microblaze/kernel/dma.c
+++ b/arch/microblaze/kernel/dma.c
@@ -8,6 +8,7 @@
 
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
+#include <linux/gfp.h>
 #include <linux/dma-debug.h>
 #include <asm/bug.h>
 #include <asm/cacheflush.h>
diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c
index 388b31ca65a1..515feb404555 100644
--- a/arch/microblaze/kernel/ftrace.c
+++ b/arch/microblaze/kernel/ftrace.c
@@ -151,13 +151,10 @@ int ftrace_make_nop(struct module *mod,
         return ret;
 }
 
-static int ret_addr; /* initialized as 0 by default */
-
 /* I believe that first is called ftrace_make_nop before this function */
 int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
 {
         int ret;
-        ret_addr = addr; /* saving where the barrier jump is */
         pr_debug("%s: addr:0x%x, rec->ip: 0x%x, imm:0x%x\n",
                 __func__, (unsigned int)addr, (unsigned int)rec->ip, imm);
         ret = ftrace_modify_code(rec->ip, imm);
@@ -194,12 +191,9 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
         ret = ftrace_modify_code(ip, upper);
         ret += ftrace_modify_code(ip + 4, lower);
 
-        /* We just need to remove the rtsd r15, 8 by NOP */
-        BUG_ON(!ret_addr);
-        if (ret_addr)
-                ret += ftrace_modify_code(ret_addr, MICROBLAZE_NOP);
-        else
-                ret = 1; /* fault */
+        /* We just need to replace the rtsd r15, 8 with NOP */
+        ret += ftrace_modify_code((unsigned long)&ftrace_caller,
+                                  MICROBLAZE_NOP);
 
         /* All changes are done - lets do caches consistent */
         flush_icache();
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index 5a45b1adfef1..cbecf110dc30 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -12,7 +12,6 @@
 #include <linux/kernel.h>
 #include <linux/elf.h>
 #include <linux/vmalloc.h>
-#include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/string.h>
 
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
index 1c6d684996d7..0dc755286d38 100644
--- a/arch/microblaze/kernel/of_platform.c
+++ b/arch/microblaze/kernel/of_platform.c
@@ -17,7 +17,6 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
-#include <linux/slab.h>
 #include <linux/pci.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 6d6349a145f9..a4a7770c6140 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -75,7 +75,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
         int rval;
         unsigned long val = 0;
-        unsigned long copied;
 
         switch (request) {
         /* Read/write the word at location ADDR in the registers. */
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index 9f3c205fb75b..f4e00b7f1259 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -30,6 +30,7 @@
 #include <linux/semaphore.h>
 #include <linux/uaccess.h>
 #include <linux/unistd.h>
+#include <linux/slab.h>
 
 #include <asm/syscalls.h>