linux-kernel - [PATCHv4 06/10] xen: Switch to using __pa

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Message-Id: <1480445729-27130-7-git-send-email-labbott@redhat.com>
Date:   Tue, 29 Nov 2016 10:55:25 -0800
From:   Laura Abbott <labbott@...hat.com>
To:     Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        David Vrabel <david.vrabel@...rix.com>,
        Juergen Gross <jgross@...e.com>
Cc:     Laura Abbott <labbott@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        linux-arm-kernel@...ts.infradead.org,
        xen-devel@...ts.xenproject.org
Subject: [PATCHv4 06/10] xen: Switch to using __pa_symbol

__pa_symbol is the correct macro to use on kernel
symbols. Switch to this from __pa.

Signed-off-by: Laura Abbott <labbott@...hat.com>
---
Found during a sweep of the kernel. Untested.
---
 drivers/xen/xenbus/xenbus_dev_backend.c | 2 +-
 drivers/xen/xenfs/xenstored.c           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/xen/xenbus/xenbus_dev_backend.c b/drivers/xen/xenbus/xenbus_dev_backend.c
index 4a41ac9..31ca2bf 100644
--- a/drivers/xen/xenbus/xenbus_dev_backend.c
+++ b/drivers/xen/xenbus/xenbus_dev_backend.c
@@ -99,7 +99,7 @@ static int xenbus_backend_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	if (remap_pfn_range(vma, vma->vm_start,
-			    virt_to_pfn(xen_store_interface),
+			    PHYS_PFN(__pa_symbol(xen_store_interface)),
 			    size, vma->vm_page_prot))
 		return -EAGAIN;
 
diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c
index fef20db..21009ea 100644
--- a/drivers/xen/xenfs/xenstored.c
+++ b/drivers/xen/xenfs/xenstored.c
@@ -38,7 +38,7 @@ static int xsd_kva_mmap(struct file *file, struct vm_area_struct *vma)
 		return -EINVAL;
 
 	if (remap_pfn_range(vma, vma->vm_start,
-			    virt_to_pfn(xen_store_interface),
+			    PHYS_PFN(__pa_symbol(xen_store_interface)),
 			    size, vma->vm_page_prot))
 		return -EAGAIN;
 
-- 
2.7.4