WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-ia64-devel

[Xen-ia64-devel] [PATCH] [RESEND] xen: portability clean up and some min

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: [Xen-ia64-devel] [PATCH] [RESEND] xen: portability clean up and some minor clean up for xencomm.c
From: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Date: Tue, 26 Aug 2008 14:31:25 +0900
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, "Luck, Tony" <tony.luck@xxxxxxxxx>, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Mon, 25 Aug 2008 22:31:30 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-ia64-devel-request@lists.xensource.com?subject=help>
List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>
List-post: <mailto:xen-ia64-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-ia64-devel>, <mailto:xen-ia64-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.6i
clean up of xencomm.c. is_phys_contiguous() is arch dependent
function that depends on how virtual memory are laid out.
So split out the function into arch specific code.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
Cc: "Luck, Tony" <tony.luck@xxxxxxxxx>
---
 drivers/xen/xencomm.c |   23 ++++-------------------
 1 files changed, 4 insertions(+), 19 deletions(-)

diff --git a/drivers/xen/xencomm.c b/drivers/xen/xencomm.c
index 797cb4e..a240b2c 100644
--- a/drivers/xen/xencomm.c
+++ b/drivers/xen/xencomm.c
@@ -23,13 +23,7 @@
 #include <asm/page.h>
 #include <xen/xencomm.h>
 #include <xen/interface/xen.h>
-#ifdef __ia64__
-#include <asm/xen/xencomm.h>   /* for is_kern_addr() */
-#endif
-
-#ifdef HAVE_XEN_PLATFORM_COMPAT_H
-#include <xen/platform-compat.h>
-#endif
+#include <asm/xen/xencomm.h>   /* for xencomm_is_phys_contiguous() */
 
 static int xencomm_init(struct xencomm_desc *desc,
                        void *buffer, unsigned long bytes)
@@ -157,20 +151,11 @@ static int xencomm_create(void *buffer, unsigned long 
bytes,
        return 0;
 }
 
-/* check if memory address is within VMALLOC region  */
-static int is_phys_contiguous(unsigned long addr)
-{
-       if (!is_kernel_addr(addr))
-               return 0;
-
-       return (addr < VMALLOC_START) || (addr >= VMALLOC_END);
-}
-
 static struct xencomm_handle *xencomm_create_inline(void *ptr)
 {
        unsigned long paddr;
 
-       BUG_ON(!is_phys_contiguous((unsigned long)ptr));
+       BUG_ON(!xencomm_is_phys_contiguous((unsigned long)ptr));
 
        paddr = (unsigned long)xencomm_pa(ptr);
        BUG_ON(paddr & XENCOMM_INLINE_FLAG);
@@ -202,7 +187,7 @@ struct xencomm_handle *xencomm_map(void *ptr, unsigned long 
bytes)
        int rc;
        struct xencomm_desc *desc;
 
-       if (is_phys_contiguous((unsigned long)ptr))
+       if (xencomm_is_phys_contiguous((unsigned long)ptr))
                return xencomm_create_inline(ptr);
 
        rc = xencomm_create(ptr, bytes, &desc, GFP_KERNEL);
@@ -219,7 +204,7 @@ struct xencomm_handle *__xencomm_map_no_alloc(void *ptr, 
unsigned long bytes,
        int rc;
        struct xencomm_desc *desc = NULL;
 
-       if (is_phys_contiguous((unsigned long)ptr))
+       if (xencomm_is_phys_contiguous((unsigned long)ptr))
                return xencomm_create_inline(ptr);
 
        rc = xencomm_create_mini(ptr, bytes, xc_desc,
-- 
1.6.0.rc0.42.g186458


_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel

<Prev in Thread] Current Thread [Next in Thread>
  • [Xen-ia64-devel] [PATCH] [RESEND] xen: portability clean up and some minor clean up for xencomm.c, Isaku Yamahata <=