From: Keir Fraser <keir.fraser@citrix.com>
Date: Mon, 7 Apr 2008 14:02:47 +0000 (+0100)
Subject: xencomm: add support for log dirty mode
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14231^2~61
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=994068a534cb6b2e23eb24ae1088c6d9624c7c63;p=xen.git

xencomm: add support for log dirty mode

Signed-off-by: Kouya Shimura <kouya@jp.fujitsu.com>
---

diff --git a/xen/common/xencomm.c b/xen/common/xencomm.c
index fc86cd0830..135e3d93a5 100644
--- a/xen/common/xencomm.c
+++ b/xen/common/xencomm.c
@@ -323,6 +323,7 @@ xencomm_copy_chunk_to(
                (unsigned long)xencomm_vaddr(paddr, page));
 
     memcpy(xencomm_vaddr(paddr, page), (void *)from, len);
+    xencomm_mark_dirty(xencomm_vaddr(paddr, page), len);
     put_page(page);
 
     return 0;
diff --git a/xen/include/xen/xencomm.h b/xen/include/xen/xencomm.h
index 9b46c89dbf..f044c74f99 100644
--- a/xen/include/xen/xencomm.h
+++ b/xen/include/xen/xencomm.h
@@ -114,4 +114,12 @@ static inline unsigned long xencomm_inline_addr(const void *handle)
     xencomm_copy_from_guest(_d, _s, sizeof(*_d), _off);             \
 })
 
+#ifdef CONFIG_XENCOMM_MARK_DIRTY
+extern void xencomm_mark_dirty(unsigned long addr, unsigned int len);
+#else
+static inline void xencomm_mark_dirty(unsigned long addr, unsigned int len)
+{
+}
+#endif
+
 #endif /* __XENCOMM_H__ */