6 files changed, 24 insertions, 7 deletions

diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index d770b00ec6b1..30edd61a6b8f 100644
--- a/arch/microblaze/include/asm/unistd.h
+++ b/arch/microblaze/include/asm/unistd.h
@@ -386,8 +386,12 @@
 #define __NR_fanotify_init      368
 #define __NR_fanotify_mark      369
 #define __NR_prlimit64          370
+#define __NR_name_to_handle_at  371
+#define __NR_open_by_handle_at  372
+#define __NR_clock_adjtime      373
+#define __NR_syncfs             374
 
-#define __NR_syscalls           371
+#define __NR_syscalls           375
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index f0cb5c26c81c..494b63b72dd7 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -10,6 +10,7 @@ CFLAGS_REMOVE_early_printk.o = -pg
 CFLAGS_REMOVE_selfmod.o = -pg
 CFLAGS_REMOVE_heartbeat.o = -pg
 CFLAGS_REMOVE_ftrace.o = -pg
+CFLAGS_REMOVE_process.o = -pg
 endif
 
 extra-y := head.o vmlinux.lds
diff --git a/arch/microblaze/kernel/ftrace.c b/arch/microblaze/kernel/ftrace.c
index 515feb404555..357d56abe24a 100644
--- a/arch/microblaze/kernel/ftrace.c
+++ b/arch/microblaze/kernel/ftrace.c
@@ -51,6 +51,9 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
                         : "r" (parent), "r" (return_hooker)
         );
 
+        flush_dcache_range((u32)parent, (u32)parent + 4);
+        flush_icache_range((u32)parent, (u32)parent + 4);
+
         if (unlikely(faulted)) {
                 ftrace_graph_stop();
                 WARN_ON(1);
@@ -95,6 +98,9 @@ static int ftrace_modify_code(unsigned long addr, unsigned int value)
         if (unlikely(faulted))
                 return -EFAULT;
 
+        flush_dcache_range(addr, addr + 4);
+        flush_icache_range(addr, addr + 4);
+
         return 0;
 }
 
@@ -195,8 +201,6 @@ int ftrace_update_ftrace_func(ftrace_func_t func)
         ret += ftrace_modify_code((unsigned long)&ftrace_caller,
                                   MICROBLAZE_NOP);
 
-        /* All changes are done - lets do caches consistent */
-        flush_icache();
         return ret;
 }
 
@@ -210,7 +214,6 @@ int ftrace_enable_ftrace_graph_caller(void)
 
         old_jump = *(unsigned int *)ip; /* save jump over instruction */
         ret = ftrace_modify_code(ip, MICROBLAZE_NOP);
-        flush_icache();
 
         pr_debug("%s: Replace instruction: 0x%x\n", __func__, old_jump);
         return ret;
@@ -222,7 +225,6 @@ int ftrace_disable_ftrace_graph_caller(void)
         unsigned long ip = (unsigned long)(&ftrace_call_graph);
 
         ret = ftrace_modify_code(ip, old_jump);
-        flush_icache();
 
         pr_debug("%s\n", __func__);
         return ret;
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index 5ba7e162833b..c88f066f41bd 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -158,11 +158,11 @@ void __init init_IRQ(void)
         for (i = 0; i < nr_irq; ++i) {
                 if (intr_type & (0x00000001 << i)) {
                         irq_set_chip_and_handler_name(i, &intc_dev,
-                                handle_edge_irq, intc_dev.name);
+                                handle_edge_irq, "edge");
                         irq_clear_status_flags(i, IRQ_LEVEL);
                 } else {
                         irq_set_chip_and_handler_name(i, &intc_dev,
-                                handle_level_irq, intc_dev.name);
+                                handle_level_irq, "level");
                         irq_set_status_flags(i, IRQ_LEVEL);
                 }
         }
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index e88a930fd1e3..85cea81d1ca1 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -375,3 +375,7 @@ ENTRY(sys_call_table)
         .long sys_fanotify_init
         .long sys_fanotify_mark
         .long sys_prlimit64     /* 370 */
+        .long sys_name_to_handle_at
+        .long sys_open_by_handle_at
+        .long sys_clock_adjtime
+        .long sys_syncfs
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index f1fcbff3da25..10c320aa908b 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -2,6 +2,12 @@
 # Makefile
 #
 
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_ashldi3.o = -pg
+CFLAGS_REMOVE_ashrdi3.o = -pg
+CFLAGS_REMOVE_lshrdi3.o = -pg
+endif
+
 lib-y :=  memset.o
 
 ifeq ($(CONFIG_OPT_LIB_ASM),y)