From: Boris Ostrovsky <boris.ostrovsky@oracle.com>
To: Paul Durrant <paul.durrant@citrix.com>,
x86@kernel.org, xen-devel@lists.xenproject.org,
linux-kernel@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH v4] xen: support priv-mapping in an HVM tools domain
Date: Fri, 3 Nov 2017 16:51:56 -0400 [thread overview]
Message-ID: <7e3f125b-7384-52cf-6c48-aa0a7cb7e047@oracle.com> (raw)
In-Reply-To: <20171103170411.32239-1-paul.durrant@citrix.com>
On 11/03/2017 01:04 PM, Paul Durrant wrote:
> If the domain has XENFEAT_auto_translated_physmap then use of the PV-
> specific HYPERVISOR_mmu_update hypercall is clearly incorrect.
>
> This patch adds checks in xen_remap_domain_gfn_array() and
> xen_unmap_domain_gfn_array() which call through to the approprate
> xlate_mmu function if the feature is present. A check is also added
> to xen_remap_domain_gfn_range() to fail with -EOPNOTSUPP since this
> should not be used in an HVM tools domain.
>
> Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
next prev parent reply other threads:[~2017-11-03 20:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-03 17:04 Paul Durrant
2017-11-03 20:51 ` Boris Ostrovsky [this message]
2017-11-08 21:21 ` Boris Ostrovsky
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