[Xen-devel] [RFC][v2][PATCH 09/14] xen: enable XENMEM_memory_map in hvm

[Tiejun Chen <tiejun.chen@xxxxxxxxx>]

This patch enables XENMEM_memory_map in hvm. So we can use it to
setup the e820 mappings.

Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx>
Reviewed-by: Tim Deegan <tim@xxxxxxx>
---
 xen/arch/x86/hvm/hvm.c | 2 --
 xen/arch/x86/mm.c      | 6 ------
 2 files changed, 8 deletions(-)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 689e402..0dedd3b 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -4705,7 +4705,6 @@ static long hvm_memory_op(int cmd, 
XEN_GUEST_HANDLE_PARAM(void) arg)
 
     switch ( cmd & MEMOP_CMD_MASK )
     {
-    case XENMEM_memory_map:
     case XENMEM_machine_memory_map:
     case XENMEM_machphys_mapping:
         return -ENOSYS;
@@ -4781,7 +4780,6 @@ static long hvm_memory_op_compat32(int cmd, 
XEN_GUEST_HANDLE_PARAM(void) arg)
 
     switch ( cmd & MEMOP_CMD_MASK )
     {
-    case XENMEM_memory_map:
     case XENMEM_machine_memory_map:
     case XENMEM_machphys_mapping:
         return -ENOSYS;
diff --git a/xen/arch/x86/mm.c b/xen/arch/x86/mm.c
index 034de22..d6fa080 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -4715,12 +4715,6 @@ long arch_memory_op(unsigned long cmd, 
XEN_GUEST_HANDLE_PARAM(void) arg)
             return rc;
         }
 
-        if ( is_hvm_domain(d) )
-        {
-            rcu_unlock_domain(d);
-            return -EPERM;
-        }
-
         e820 = xmalloc_array(e820entry_t, fmap.map.nr_entries);
         if ( e820 == NULL )
         {
-- 
1.9.1


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