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[81.231.233.234]) by smtp.gmail.com with ESMTPSA id v2sm4865221ljb.44.2017.01.31.14.18.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 31 Jan 2017 14:18:02 -0800 (PST) From: "Edgar E. Iglesias" To: xen-devel@lists.xen.org Date: Tue, 31 Jan 2017 23:17:58 +0100 Message-Id: <1485901080-8802-2-git-send-email-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1485901080-8802-1-git-send-email-edgar.iglesias@gmail.com> References: <1485901080-8802-1-git-send-email-edgar.iglesias@gmail.com> Cc: edgar.iglesias@xilinx.com, julien.grall@arm.com, sstabellini@kernel.org Subject: [Xen-devel] [PATCH v3 1/3] xen/arm: dt: Relax hw domain mapping attributes to p2m_mmio_direct_c X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: "Edgar E. Iglesias" Since the hardware domain is a trusted domain, we extend the trust to include making final decisions on what attributes to use when mapping memory regions. For device-tree configured hardware domains, this patch relaxes the hardware domains mapping attributes to p2m_mmio_direct_c. This will allow the hardware domain to control the attributes via its S1 mappings. Reviewed-by: Julien Grall Signed-off-by: Edgar E. Iglesias --- xen/arch/arm/domain_build.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index 63301e6..4fc467c 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -1330,7 +1330,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo, static int prepare_dtb(struct domain *d, struct kernel_info *kinfo) { - const p2m_type_t default_p2mt = p2m_mmio_direct_dev; + const p2m_type_t default_p2mt = p2m_mmio_direct_c; const void *fdt; int new_size; int ret;