From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Stefano Stabellini <sstabellini@kernel.org>,
Juergen Gross <jgross@suse.com>
Cc: Jan Beulich <jbeulich@suse.com>,
xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
Stefano Stabellini <stefano.stabellini@xilinx.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] xen: detect uninitialized xenbus in xenbus_init
Date: Thu, 18 Nov 2021 17:24:46 -0500 [thread overview]
Message-ID: <fdfe4ba4-8f5f-47a2-98df-3dfdb50d8f6f@oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.22.394.2111181226460.1412361@ubuntu-linux-20-04-desktop>
On 11/18/21 4:00 PM, Stefano Stabellini wrote:
>
> /*
> * Avoid truncation on 32-bit.
> * TODO: handle addresses >= 4G
> */
> if ( v >= ~0UL ) {
> err = -EINVAL;
> goto out_error;
> }
Since this is only relevant to 32-bit kernels then "#if BITS_PER_LONG == 32".
-boris
next prev parent reply other threads:[~2021-11-18 22:25 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 2:11 [PATCH] xen: detect uninitialized xenbus in xenbus_init Stefano Stabellini
2021-11-17 7:41 ` Jan Beulich
2021-11-18 2:37 ` Stefano Stabellini
2021-11-18 5:32 ` Juergen Gross
2021-11-18 8:47 ` Jan Beulich
2021-11-18 8:53 ` Juergen Gross
2021-11-18 21:00 ` Stefano Stabellini
2021-11-18 22:24 ` Boris Ostrovsky [this message]
2021-11-19 8:24 ` Jan Beulich
2021-11-19 5:16 ` Juergen Gross
2021-11-18 8:40 ` Jan Beulich
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