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[Xen-devel] [PATCH v5 04/13] x86: move compat_set_trap_table along side the non-compat variant



Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/arch/x86/pv/callback.c         | 47 ++++++++++++++++++++++++++++++++++++++
 xen/arch/x86/x86_64/compat/traps.c | 44 -----------------------------------
 2 files changed, 47 insertions(+), 44 deletions(-)

diff --git a/xen/arch/x86/pv/callback.c b/xen/arch/x86/pv/callback.c
index 0d7641df43..b9dd39bf0e 100644
--- a/xen/arch/x86/pv/callback.c
+++ b/xen/arch/x86/pv/callback.c
@@ -17,6 +17,7 @@
  */
 
 #include <xen/event.h>
+#include <xen/hypercall.h>
 #include <xen/guest_access.h>
 #include <xen/lib.h>
 #include <xen/sched.h>
@@ -364,6 +365,52 @@ long 
do_set_trap_table(XEN_GUEST_HANDLE_PARAM(const_trap_info_t) traps)
     return rc;
 }
 
+int compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps)
+{
+    struct vcpu *curr = current;
+    struct compat_trap_info cur;
+    struct trap_info *dst = curr->arch.pv_vcpu.trap_ctxt;
+    long rc = 0;
+
+    /* If no table is presented then clear the entire virtual IDT. */
+    if ( guest_handle_is_null(traps) )
+    {
+        memset(dst, 0, NR_VECTORS * sizeof(*dst));
+        init_int80_direct_trap(curr);
+        return 0;
+    }
+
+    for ( ; ; )
+    {
+        if ( copy_from_guest(&cur, traps, 1) )
+        {
+            rc = -EFAULT;
+            break;
+        }
+
+        if ( cur.address == 0 )
+            break;
+
+        fixup_guest_code_selector(curr->domain, cur.cs);
+
+        XLAT_trap_info(dst + cur.vector, &cur);
+
+        if ( cur.vector == 0x80 )
+            init_int80_direct_trap(curr);
+
+        guest_handle_add_offset(traps, 1);
+
+        if ( hypercall_preempt_check() )
+        {
+            rc = hypercall_create_continuation(
+                __HYPERVISOR_set_trap_table, "h", traps);
+            break;
+        }
+    }
+
+    return rc;
+}
+
 /*
  * Local variables:
  * mode: C
diff --git a/xen/arch/x86/x86_64/compat/traps.c 
b/xen/arch/x86/x86_64/compat/traps.c
index 9e1ccba646..cade7f2923 100644
--- a/xen/arch/x86/x86_64/compat/traps.c
+++ b/xen/arch/x86/x86_64/compat/traps.c
@@ -3,50 +3,6 @@
 #include <compat/callback.h>
 #include <compat/arch-x86_32.h>
 
-int compat_set_trap_table(XEN_GUEST_HANDLE(trap_info_compat_t) traps)
-{
-    struct compat_trap_info cur;
-    struct trap_info *dst = current->arch.pv_vcpu.trap_ctxt;
-    long rc = 0;
-
-    /* If no table is presented then clear the entire virtual IDT. */
-    if ( guest_handle_is_null(traps) )
-    {
-        memset(dst, 0, NR_VECTORS * sizeof(*dst));
-        init_int80_direct_trap(current);
-        return 0;
-    }
-
-    for ( ; ; )
-    {
-        if ( copy_from_guest(&cur, traps, 1) )
-        {
-            rc = -EFAULT;
-            break;
-        }
-
-        if ( cur.address == 0 )
-            break;
-
-        fixup_guest_code_selector(current->domain, cur.cs);
-
-        XLAT_trap_info(dst + cur.vector, &cur);
-
-        if ( cur.vector == 0x80 )
-            init_int80_direct_trap(current);
-
-        guest_handle_add_offset(traps, 1);
-
-        if ( hypercall_preempt_check() )
-        {
-            rc = hypercall_create_continuation(
-                __HYPERVISOR_set_trap_table, "h", traps);
-            break;
-        }
-    }
-
-    return rc;
-}
 
 /*
  * Local variables:
-- 
2.11.0


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