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From:   Thomas Gleixner <tglx@linutronix.de>
To:     Ross Philipson <ross.philipson@oracle.com>,
        linux-kernel@vger.kernel.org, x86@kernel.org
Cc:     ross.philipson@oracle.com, dpsmith@apertussolutions.com,
        mingo@redhat.com, bp@alien8.de, hpa@zytor.com, luto@amacapital.net,
        dave.hansen@linux.intel.com, kanth.ghatraju@oracle.com,
        trenchboot-devel@googlegroups.com
Subject: Re: [PATCH 1/2] x86: Check return values from early_memremap calls
In-Reply-To: <1650035401-22855-2-git-send-email-ross.philipson@oracle.com>
References: <1650035401-22855-1-git-send-email-ross.philipson@oracle.com>
 <1650035401-22855-2-git-send-email-ross.philipson@oracle.com>
Date:   Thu, 21 Apr 2022 10:37:09 +0200
Message-ID: <87a6ceu91m.ffs@tglx>
MIME-Version: 1.0
Content-Type: text/plain
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Ross,

On Fri, Apr 15 2022 at 11:10, Ross Philipson wrote:

can you please ensure that all relevant maintainers are CC'ed on such
patches? XEN and Jailhouse people might have opinions, no?

> There are a number of places where early_memremap is called
> but the return pointer is not checked for NULL. The call
> can result in a NULL being returned so the checks must
> be added.

Also please follow:

https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#function-references-in-changelogs

Thanks,

        tglx