From: David Laight <David.Laight@ACULAB.COM>
To: 'Stefano Garzarella' <sgarzare@redhat.com>,
Colin King <colin.king@canonical.com>
Cc: "David S . Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"kernel-janitors@vger.kernel.org"
<kernel-janitors@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] vsock: ratelimit unknown ioctl error message
Date: Fri, 23 Oct 2020 21:30:59 +0000 [thread overview]
Message-ID: <e535c07df407444880d8b678bc215d9f@AcuMS.aculab.com> (raw)
In-Reply-To: <20201023140947.kurglnklaqteovkp@steredhat>
From: Stefano Garzarella
> Sent: 23 October 2020 15:10
>
> On Fri, Oct 23, 2020 at 01:21:13PM +0100, Colin King wrote:
> >From: Colin Ian King <colin.king@canonical.com>
> >
> >When exercising the kernel with stress-ng with some ioctl tests the
> >"Unknown ioctl" error message is spamming the kernel log at a high
> >rate. Rate limit this message to reduce the noise.
> >
> >Signed-off-by: Colin Ian King <colin.king@canonical.com>
> >---
> > net/vmw_vsock/af_vsock.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> >diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
> >index 9e93bc201cc0..b8feb9223454 100644
> >--- a/net/vmw_vsock/af_vsock.c
> >+++ b/net/vmw_vsock/af_vsock.c
> >@@ -2072,7 +2072,7 @@ static long vsock_dev_do_ioctl(struct file *filp,
> > break;
> >
> > default:
> >- pr_err("Unknown ioctl %d\n", cmd);
> >+ pr_err_ratelimited("Unknown ioctl %d\n", cmd);
>
> Make sense, or maybe can we remove the error message returning only the
> -EINVAL?
Isn't the canonical error for unknown ioctl codes -ENOTTY?
David
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2020-10-23 21:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-23 12:21 [PATCH] vsock: ratelimit unknown ioctl error message Colin King
2020-10-23 14:09 ` Stefano Garzarella
2020-10-23 20:25 ` Jakub Kicinski
2020-10-23 21:30 ` David Laight [this message]
2020-10-26 8:43 ` Stefano Garzarella
2020-10-26 9:13 ` David Laight
2020-10-26 9:39 ` Stefano Garzarella
2020-10-26 9:46 ` David Laight
2020-10-26 10:01 ` Stefano Garzarella
2020-10-26 17:55 ` Jakub Kicinski
2020-10-26 18:24 ` Stefano Garzarella
2020-10-26 18:37 ` Jakub Kicinski
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