Parsing of kernel parameter cpumask has been split to find_cmdline_cpumask
function.
Signed-off-by: Petr Holasek <pholasek at redhat.com>
---
cputree.c | 33 ++++++++++++++++++++++-----------
1 file changed, 22 insertions(+), 11 deletions(-)
diff --git a/cputree.c b/cputree.c
index 5a2b69d..dce85f9 100644
--- a/cputree.c
+++ b/cputree.c
@@ -63,10 +63,30 @@ cpumask_t unbanned_cpus;
* as specified through the isolcpus= boot commandline. Users can
* override this with the IRQBALANCE_BANNED_CPUS environment variable.
*/
+static int find_cmdline_cpumask(const char *param, char *line, cpumask_t out)
+{
+ char *c;
+
+ if ((c = strstr(line, param))) {
+ char *end;
+ int len;
+
+ c += strlen(param);
+ for (end = c; *end != ' ' && *end != '\0' && *end != '\n'; end++);
+ len = end - c;
+
+ cpulist_parse(c, len, out);
+
+ return 0;
+ }
+
+ return 1;
+}
+
static void setup_banned_cpus(void)
{
FILE *file;
- char *c, *line = NULL;
+ char *line = NULL;
size_t size = 0;
const char *isolcpus = "isolcpus=";
char buffer[4096];
@@ -84,16 +104,7 @@ static void setup_banned_cpus(void)
if (getline(&line, &size, file) <= 0)
goto out2;
- if ((c = strstr(line, isolcpus))) {
- char *end;
- int len;
-
- c += strlen(isolcpus);
- for (end = c; *end != ' ' && *end != '\0' && *end != '\n'; end++);
- len = end - c;
-
- cpulist_parse(c, len, banned_cpus);
- }
+ find_cmdline_cpumask(isolcpus, line, banned_cpus);
out2:
fclose(file);
--
2.4.3
