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author | Ingo Molnar <mingo@elte.hu> | 2009-09-06 04:11:38 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-09-06 04:11:42 (GMT) |
commit | ed011b22ce567eabefa9ea571d3721c10ecd0553 (patch) | |
tree | c7aee6684613075c772388a99a9137014549434e /kernel/trace | |
parent | 85bac32c4a52c592b857f2c360cc5ec93a097d70 (diff) | |
parent | e07cccf4046978df10f2e13fe2b99b2f9b3a65db (diff) | |
download | linux-fsl-qoriq-ed011b22ce567eabefa9ea571d3721c10ecd0553.tar.xz |
Merge commit 'v2.6.31-rc9' into tracing/core
Merge reason: move from -rc5 to -rc9.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/blktrace.c | 12 | ||||
-rw-r--r-- | kernel/trace/ftrace.c | 17 | ||||
-rw-r--r-- | kernel/trace/trace.c | 12 |
3 files changed, 14 insertions, 27 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 243bafc..3eb159c 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -271,8 +271,8 @@ static void blk_trace_free(struct blk_trace *bt) { debugfs_remove(bt->msg_file); debugfs_remove(bt->dropped_file); - debugfs_remove(bt->dir); relay_close(bt->rchan); + debugfs_remove(bt->dir); free_percpu(bt->sequence); free_percpu(bt->msg_data); kfree(bt); @@ -382,18 +382,8 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf, static int blk_remove_buf_file_callback(struct dentry *dentry) { - struct dentry *parent = dentry->d_parent; debugfs_remove(dentry); - /* - * this will fail for all but the last file, but that is ok. what we - * care about is the top level buts->name directory going away, when - * the last trace file is gone. Then we don't have to rmdir() that - * manually on trace stop, so it nicely solves the issue with - * force killing of running traces. - */ - - debugfs_remove(parent); return 0; } diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 1993b71..8c804e2 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2222,7 +2222,11 @@ ftrace_regex_write(struct file *file, const char __user *ubuf, read++; cnt--; - if (!(iter->flags & ~FTRACE_ITER_CONT)) { + /* + * If the parser haven't finished with the last write, + * continue reading the user input without skipping spaces. + */ + if (!(iter->flags & FTRACE_ITER_CONT)) { /* skip white space */ while (cnt && isspace(ch)) { ret = get_user(ch, ubuf++); @@ -2232,8 +2236,9 @@ ftrace_regex_write(struct file *file, const char __user *ubuf, cnt--; } + /* only spaces were written */ if (isspace(ch)) { - file->f_pos += read; + *ppos += read; ret = read; goto out; } @@ -2262,12 +2267,12 @@ ftrace_regex_write(struct file *file, const char __user *ubuf, if (ret) goto out; iter->buffer_idx = 0; - } else + } else { iter->flags |= FTRACE_ITER_CONT; + iter->buffer[iter->buffer_idx++] = ch; + } - - file->f_pos += read; - + *ppos += read; ret = read; out: mutex_unlock(&ftrace_regex_lock); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 6df9861..5c75dee 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3901,17 +3901,9 @@ trace_options_core_write(struct file *filp, const char __user *ubuf, size_t cnt, if (ret < 0) return ret; - switch (val) { - case 0: - trace_flags &= ~(1 << index); - break; - case 1: - trace_flags |= 1 << index; - break; - - default: + if (val != 0 && val != 1) return -EINVAL; - } + set_tracer_flags(1 << index, val); *ppos += cnt; |