linux-kernel - Re: [PATCH v2] s390/kvm: avoid hypfs error message

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Message-ID: <YrBarz+NVJmS+bBb@tuxmaker.boeblingen.de.ibm.com>
Date:   Mon, 20 Jun 2022 13:31:59 +0200
From:   Alexander Gordeev <agordeev@...ux.ibm.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>
Subject: Re: [PATCH v2] s390/kvm: avoid hypfs error message

On Mon, Jun 20, 2022 at 11:45:34AM +0200, Juergen Gross wrote:
> When booting under KVM the following error messages are issued:
> 
> hypfs.7f5705: The hardware system does not support hypfs
> hypfs.7a79f0: Initialization of hypfs failed with rc=-61
> 
> Demote the severity of first message from "error" to "info" and issue
> the second message only in other error cases.
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>

Applied, thanks!

> ---
> V2:
> - don't bail out if KVM, but avoid error messages instead (Christian
>   Borntraeger)
> ---
>  arch/s390/hypfs/hypfs_diag.c | 2 +-
>  arch/s390/hypfs/inode.c      | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
> index f0bc4dc3e9bf..6511d15ace45 100644
> --- a/arch/s390/hypfs/hypfs_diag.c
> +++ b/arch/s390/hypfs/hypfs_diag.c
> @@ -437,7 +437,7 @@ __init int hypfs_diag_init(void)
>  	int rc;
>  
>  	if (diag204_probe()) {
> -		pr_err("The hardware system does not support hypfs\n");
> +		pr_info("The hardware system does not support hypfs\n");
>  		return -ENODATA;
>  	}
>  
> diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
> index 5c97f48cea91..ee919bfc8186 100644
> --- a/arch/s390/hypfs/inode.c
> +++ b/arch/s390/hypfs/inode.c
> @@ -496,9 +496,9 @@ static int __init hypfs_init(void)
>  	hypfs_vm_exit();
>  fail_hypfs_diag_exit:
>  	hypfs_diag_exit();
> +	pr_err("Initialization of hypfs failed with rc=%i\n", rc);
>  fail_dbfs_exit:
>  	hypfs_dbfs_exit();
> -	pr_err("Initialization of hypfs failed with rc=%i\n", rc);
>  	return rc;
>  }
>  device_initcall(hypfs_init)
> -- 
> 2.35.3
>