projects
/
fio.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
|
inline
| side by side (parent:
298d751
)
options: catch division by zero in setting CPU affinity
author
Vincent Fu
<vincent.fu@wdc.com>
Tue, 19 Feb 2019 21:44:08 +0000
(16:44 -0500)
committer
Jens Axboe
<axboe@kernel.dk>
Thu, 21 Feb 2019 17:55:32 +0000
(10:55 -0700)
Catch a division by zero and abort with a helpful message instead of a
signal 8 floating point error.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
options.c
patch
|
blob
|
blame
|
history
diff --git
a/options.c
b/options.c
index 6d832354e95d856e89f2c41d6d5691cbd4d8d49c..9508607438a5149df800322f6c081ea6348d39bc 100644
(file)
--- a/
options.c
+++ b/
options.c
@@
-493,6
+493,9
@@
int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu_index)
const long max_cpu = cpus_online();
cpus_in_mask = fio_cpu_count(mask);
const long max_cpu = cpus_online();
cpus_in_mask = fio_cpu_count(mask);
+ if (!cpus_in_mask)
+ return 0;
+
cpu_index = cpu_index % cpus_in_mask;
index = 0;
cpu_index = cpu_index % cpus_in_mask;
index = 0;