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authorJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-06-02 10:18:45 +0300
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2021-06-02 10:18:45 +0300
commit942baad211336efefb93a8369478888ab845c450 (patch)
treed959f4b4c0680e6b589cc9684bd489f09ee65fd8 /lib/dynamic_debug.c
parent35cbd91eb541e001f6e2648c56abb5361e3d6774 (diff)
parentccd1950c2f7e38ae45aeefb99a08b39407cd6c63 (diff)
Merge drm/drm-next into drm-intel-gt-next
Pulling in -rc2 fixes and TTM changes that next upcoming patches depend on. Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'lib/dynamic_debug.c')
-rw-r--r--lib/dynamic_debug.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index c70d6347afa2..641767b0dce2 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -396,7 +396,7 @@ static int ddebug_parse_query(char *words[], int nwords,
/* tail :$info is function or line-range */
fline = strchr(query->filename, ':');
if (!fline)
- break;
+ continue;
*fline++ = '\0';
if (isalpha(*fline) || *fline == '*' || *fline == '?') {
/* take as function name */
@@ -586,13 +586,11 @@ static int remaining(int wrote)
return 0;
}
-static char *dynamic_emit_prefix(const struct _ddebug *desc, char *buf)
+static char *__dynamic_emit_prefix(const struct _ddebug *desc, char *buf)
{
int pos_after_tid;
int pos = 0;
- *buf = '\0';
-
if (desc->flags & _DPRINTK_FLAGS_INCL_TID) {
if (in_interrupt())
pos += snprintf(buf + pos, remaining(pos), "<intr> ");
@@ -618,11 +616,18 @@ static char *dynamic_emit_prefix(const struct _ddebug *desc, char *buf)
return buf;
}
+static inline char *dynamic_emit_prefix(struct _ddebug *desc, char *buf)
+{
+ if (unlikely(desc->flags & _DPRINTK_FLAGS_INCL_ANY))
+ return __dynamic_emit_prefix(desc, buf);
+ return buf;
+}
+
void __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...)
{
va_list args;
struct va_format vaf;
- char buf[PREFIX_SIZE];
+ char buf[PREFIX_SIZE] = "";
BUG_ON(!descriptor);
BUG_ON(!fmt);
@@ -655,7 +660,7 @@ void __dynamic_dev_dbg(struct _ddebug *descriptor,
if (!dev) {
printk(KERN_DEBUG "(NULL device *): %pV", &vaf);
} else {
- char buf[PREFIX_SIZE];
+ char buf[PREFIX_SIZE] = "";
dev_printk_emit(LOGLEVEL_DEBUG, dev, "%s%s %s: %pV",
dynamic_emit_prefix(descriptor, buf),
@@ -684,7 +689,7 @@ void __dynamic_netdev_dbg(struct _ddebug *descriptor,
vaf.va = &args;
if (dev && dev->dev.parent) {
- char buf[PREFIX_SIZE];
+ char buf[PREFIX_SIZE] = "";
dev_printk_emit(LOGLEVEL_DEBUG, dev->dev.parent,
"%s%s %s %s%s: %pV",
@@ -720,7 +725,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor,
vaf.va = &args;
if (ibdev && ibdev->dev.parent) {
- char buf[PREFIX_SIZE];
+ char buf[PREFIX_SIZE] = "";
dev_printk_emit(LOGLEVEL_DEBUG, ibdev->dev.parent,
"%s%s %s %s: %pV",
@@ -915,7 +920,6 @@ static const struct seq_operations ddebug_proc_seqops = {
static int ddebug_proc_open(struct inode *inode, struct file *file)
{
- vpr_info("called\n");
return seq_open_private(file, &ddebug_proc_seqops,
sizeof(struct ddebug_iter));
}