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authorLinus Torvalds <torvalds@linux-foundation.org>2011-04-04 17:54:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-04-04 17:54:46 -0700
commitbdfd6b7d761c7bb8bc93055dac5040ece7d58e10 (patch)
tree657c9adff148b2cb0f064c5cff96eafd3910d2e3
parent6ad85239da45d035b2c786f73ec3c2798352c820 (diff)
parent9e1491de519712c73ec621c4ef4872eca6f2bb57 (diff)
downloadlinux-linaro-bdfd6b7d761c7bb8bc93055dac5040ece7d58e10.tar.gz
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
* 'next' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Fix ftrace microblaze: Wire up new syscalls microblaze: Fix level/edge irq sensibility
-rw-r--r--arch/microblaze/include/asm/unistd.h6
-rw-r--r--arch/microblaze/kernel/Makefile1
-rw-r--r--arch/microblaze/kernel/ftrace.c10
-rw-r--r--arch/microblaze/kernel/intc.c4
-rw-r--r--arch/microblaze/kernel/syscall_table.S4
-rw-r--r--arch/microblaze/lib/Makefile6
6 files changed, 24 insertions, 7 deletions
diff --git a/arch/microblaze/include/asm/unistd.h b/arch/microblaze/include/asm/unistd.h
index d770b00ec6b..30edd61a6b8 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 f0cb5c26c81..494b63b72dd 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 515feb40455..357d56abe24 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 5ba7e162833..c88f066f41b 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 e88a930fd1e..85cea81d1ca 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 f1fcbff3da2..10c320aa908 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)