This patch enables XENMEM_memory_map in hvm. So hvmloader can
use it to setup the e820 mappings.
CC: Keir Fraser <k...@xen.org>
CC: Jan Beulich <jbeul...@suse.com>
CC: Andrew Cooper <andrew.coop...@citrix.com>
Signed-off-by: Tiejun Chen <tiejun.c...@intel.com>
Reviewed-by: Tim Deegan <t...@xen.org>
Reviewed-by: Kevin Tian <kevin.t...@intel.com>
Acked-by: Jan Beulich <jbeul...@suse.com>
Acked-by: George Dunlap <george.dun...@eu.citrix.com>
---
v5 ~ v11:
* Nothing is changed.
v4:
* Just refine the patch head description as Jan commented.
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 c07e3ef..d860579 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -4855,7 +4855,6 @@ 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;
@@ -4931,7 +4930,6 @@ 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 342414f..8c887d8 100644
--- a/xen/arch/x86/mm.c
+++ b/xen/arch/x86/mm.c
@@ -4717,12 +4717,6 @@ 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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