From: Wei Liu <wei.liu2@citrix.com>
Date: Mon, 25 Feb 2019 15:39:34 +0000 (+0000)
Subject: unmap_domain_page needs to account for vmap region
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=4d965f931a901b752c450684b8d09c74f1c1ff1b;p=people%2Fliuw%2Fxen.git

unmap_domain_page needs to account for vmap region
---

diff --git a/xen/arch/x86/domain_page.c b/xen/arch/x86/domain_page.c
index 563efa9420..95aaa2b481 100644
--- a/xen/arch/x86/domain_page.c
+++ b/xen/arch/x86/domain_page.c
@@ -181,7 +181,8 @@ void unmap_domain_page(const void *ptr)
     unsigned long va = (unsigned long)ptr, mfn, flags;
     struct vcpu_maphash_entry *hashent;
 
-    if ( va >= DIRECTMAP_VIRT_START )
+    if ( va >= DIRECTMAP_VIRT_START ||
+	 (va >= VMAP_VIRT_START && va < VMAP_VIRT_END) )
         return;
 
     ASSERT(va >= MAPCACHE_VIRT_START && va < MAPCACHE_VIRT_END);