From patchwork Thu May 30 16:18:32 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Stabellini X-Patchwork-Id: 2638221 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork2.kernel.org (Postfix) with ESMTP id C3F3CDF2A1 for ; Thu, 30 May 2013 16:21:01 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ui5Zs-0001Ig-EB; Thu, 30 May 2013 16:19:49 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ui5ZY-0004D8-No; Thu, 30 May 2013 16:19:28 +0000 Received: from smtp.citrix.com ([66.165.176.89]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ui5ZC-00049Q-6L for linux-arm-kernel@lists.infradead.org; Thu, 30 May 2013 16:19:07 +0000 X-IronPort-AV: E=Sophos;i="4.87,772,1363132800"; d="scan'208";a="28290763" Received: from accessns.citrite.net (HELO FTLPEX01CL03.citrite.net) ([10.9.154.239]) by FTLPIPO01.CITRIX.COM with ESMTP/TLS/AES128-SHA; 30 May 2013 16:18:57 +0000 Received: from ukmail1.uk.xensource.com (10.80.16.128) by smtprelay.citrix.com (10.13.107.80) with Microsoft SMTP Server id 14.2.342.3; Thu, 30 May 2013 12:18:57 -0400 Received: from kaball.uk.xensource.com ([10.80.2.59]) by ukmail1.uk.xensource.com with esmtp (Exim 4.69) (envelope-from ) id 1Ui5Yy-0002Jh-8C; Thu, 30 May 2013 17:18:52 +0100 From: Stefano Stabellini To: Subject: [PATCH RFC 5/6] arm64/xen: implement xen_remap on arm64 Date: Thu, 30 May 2013 17:18:32 +0100 Message-ID: <1369930713-6063-5-git-send-email-stefano.stabellini@eu.citrix.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130530_121906_381331_A9589D5D X-CRM114-Status: GOOD ( 10.15 ) X-Spam-Score: -8.0 (--------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-8.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [66.165.176.89 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: xen-devel@lists.xensource.com, Ian.Campbell@citrix.com, Stefano Stabellini , catalin.marinas@arm.com, konrad.wilk@oracle.com, will.deacon@arm.com, linux-kernel@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Signed-off-by: Stefano Stabellini --- arch/arm/include/asm/xen/page.h | 4 ++++ arch/arm64/include/asm/io.h | 1 + 2 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index cb2fa15..d995ece 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -90,6 +90,10 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn) return __set_phys_to_machine(pfn, mfn); } +#ifdef CONFIG_ARM64 +#define xen_remap(cookie, size) __ioremap((cookie), (size), __pgprot(PROT_NORMAL)) +#else #define xen_remap(cookie, size) __arm_ioremap((cookie), (size), MT_MEMORY); +#endif #endif /* _ASM_ARM_XEN_PAGE_H */ diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 2e12258..0e9c9ac 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -228,6 +228,7 @@ extern void __iounmap(volatile void __iomem *addr); #define PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_DIRTY) #define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE)) #define PROT_NORMAL_NC (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC)) +#define PROT_NORMAL (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL)) #define ioremap(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE)) #define ioremap_nocache(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))