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From: Stefano Garzarella <sgarzare@redhat.com>
To: Colin King <colin.king@canonical.com>
Cc: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org, kernel-janitors@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vsock: ratelimit unknown ioctl error message
Date: Fri, 23 Oct 2020 16:09:47 +0200	[thread overview]
Message-ID: <20201023140947.kurglnklaqteovkp@steredhat> (raw)
In-Reply-To: <20201023122113.35517-1-colin.king@canonical.com>

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?

Both cases are fine for me:
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>

> 		retval = -EINVAL;
> 	}
>
>-- 
>2.27.0
>


  reply	other threads:[~2020-10-23 14:10 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 [this message]
2020-10-23 20:25   ` Jakub Kicinski
2020-10-23 21:30   ` David Laight
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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