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| author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 09:06:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 10:18:47 +0200 |
| commit | c1ab9cab75098924fa8226a8a371de66977439df (patch) | |
| tree | 767e77302ca8f2eb781c60624bc8518cd50ba6eb /arch/microblaze/kernel/ftrace.c | |
| parent | ff0ff84a0767df48d728c36510365344a7e7d582 (diff) | |
| parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) | |
| download | talos-op-linux-c1ab9cab75098924fa8226a8a371de66977439df.tar.gz talos-op-linux-c1ab9cab75098924fa8226a8a371de66977439df.zip | |
Merge branch 'linus' into tracing/core
Conflicts:
include/linux/module.h
kernel/module.c
Semantic conflict:
include/trace/events/module.h
Merge reason: Resolve the conflict with upstream commit 5fbfb18 ("Fix up
possibly racy module refcounting")
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/kernel/ftrace.c')
| -rw-r--r-- | arch/microblaze/kernel/ftrace.c | 12 |
1 files changed, 3 insertions, 9 deletions
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(); |
