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| author | Andrew Donnellan <ajd@linux.ibm.com> | 2020-12-11 13:11:41 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-15 22:53:27 +1100 |
| commit | c88017cf2af614409da69934c1738ed5ff2f7022 (patch) | |
| tree | 5f618dd50eccc232522a0bc34bdda0a6f04f92c7 | |
| parent | 20e9de85edae3a5866f29b6cce87c9ec66d62a1b (diff) | |
| download | linux-c88017cf2af614409da69934c1738ed5ff2f7022.tar.bz2 | |
powerpc/powernv: Rate limit opal-elog read failure message
Sometimes we can't read an error log from OPAL, and we print an error
message accordingly. But the OPAL userspace tools seem to like retrying a
lot, in which case we flood the kernel log with a lot of messages.
Change pr_err() to pr_err_ratelimited() to help with this.
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201211021140.28402-1-ajd@linux.ibm.com
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-elog.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c index 37b380eef41a..5821b0fa8614 100644 --- a/arch/powerpc/platforms/powernv/opal-elog.c +++ b/arch/powerpc/platforms/powernv/opal-elog.c @@ -171,8 +171,8 @@ static ssize_t raw_attr_read(struct file *filep, struct kobject *kobj, opal_rc = opal_read_elog(__pa(elog->buffer), elog->size, elog->id); if (opal_rc != OPAL_SUCCESS) { - pr_err("ELOG: log read failed for log-id=%llx\n", - elog->id); + pr_err_ratelimited("ELOG: log read failed for log-id=%llx\n", + elog->id); kfree(elog->buffer); elog->buffer = NULL; return -EIO; |