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x-conformance=sidf_compatible IronPort-SDR: ZMeOxcwmrmZEddxj/4BF4HmLkOm3lCM7ONWEu8y9gJBpDYIo5bkwYgkTOY3ZpI/jsHcHtzLtlq hrCzk682dSD4cXjh19sETQ0A6+RlUEGZqkhCdrmfUaxuatLMA4zY9CTcUvo3G4owwLUu2A/s6z jm7uQgTbNHEA+pg3LPNyiBJ2WAFKkVB+cz2dMUNXLsIOrWGHd1q96n34XxhVe9shUjNeq39cnb NKDj/aUeNBGhWSABopZh8lHEj/vatJ/tXInQJmPASebi6dUlvvW11QfWw77x6Lbmqgt6k2fzaH 4iE= X-SBRS: 2.7 X-MesageID: 15600630 X-Ironport-Server: esa4.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.72,328,1580792400"; d="scan'208";a="15600630" From: Roger Pau Monne To: Subject: [PATCH] x86/dom0: fix copy of low 1MB data for PVH Date: Tue, 31 Mar 2020 18:33:02 +0200 Message-ID: <20200331163302.60617-1-roger.pau@citrix.com> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , Jan Beulich , Roger Pau Monne Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The orders of start and end are inverted in order to calculate the size of the copy operation. Signed-off-by: Roger Pau Monn=C3=A9 Reviewed-by: Jan Beulich --- xen/arch/x86/hvm/dom0_build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/x86/hvm/dom0_build.c b/xen/arch/x86/hvm/dom0_build.c index 2afd44c8a4..12a82c9d7c 100644 --- a/xen/arch/x86/hvm/dom0_build.c +++ b/xen/arch/x86/hvm/dom0_build.c @@ -463,7 +463,7 @@ static int __init pvh_populate_p2m(struct domain *d) enum hvm_translation_result res =3D hvm_copy_to_guest_phys(mfn_to_maddr(_mfn(addr)), mfn_to_virt(addr), - d->arch.e820[i].addr - end, + end - d->arch.e820[i].addr, v); =20 if ( res !=3D HVMTRANS_okay ) --=20 2.26.0