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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2020-04-17 02:58:37 +0000 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2020-04-27 11:10:10 -0700 |
| commit | 52785b6ae8eded7ac99d65c92d989b702e5b4376 (patch) | |
| tree | a9934deb29022a7cdb18f3aca9eff7adcb00b80a /kernel/kcsan | |
| parent | eba9c444d34c9f10cbb463329c2c8e14f2adff25 (diff) | |
| download | linux-52785b6ae8eded7ac99d65c92d989b702e5b4376.tar.gz | |
kcsan: Use GFP_ATOMIC under spin lock
A spin lock is held in insert_report_filterlist(), so the krealloc() should use GFP_ATOMIC. This commit therefore makes this change. Reviewed-by: Marco Elver <elver@google.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel/kcsan')
| -rw-r--r-- | kernel/kcsan/debugfs.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c index 1a08664a7fab..023e49c58d55 100644 --- a/kernel/kcsan/debugfs.c +++ b/kernel/kcsan/debugfs.c @@ -230,7 +230,7 @@ static ssize_t insert_report_filterlist(const char *func) /* initial allocation */ report_filterlist.addrs = kmalloc_array(report_filterlist.size, - sizeof(unsigned long), GFP_KERNEL); + sizeof(unsigned long), GFP_ATOMIC); if (report_filterlist.addrs == NULL) { ret = -ENOMEM; goto out; @@ -240,7 +240,7 @@ static ssize_t insert_report_filterlist(const char *func) size_t new_size = report_filterlist.size * 2; unsigned long *new_addrs = krealloc(report_filterlist.addrs, - new_size * sizeof(unsigned long), GFP_KERNEL); + new_size * sizeof(unsigned long), GFP_ATOMIC); if (new_addrs == NULL) { /* leave filterlist itself untouched */ |