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[Xen-changelog] [xen-unstable] xen: more XEN_GUEST_HANDLE_PARAM substitutions


  • To: xen-changelog@xxxxxxxxxxxxxxxxxxx
  • From: Xen patchbot-unstable <patchbot@xxxxxxx>
  • Date: Fri, 19 Oct 2012 22:11:14 +0000
  • Delivery-date: Fri, 19 Oct 2012 22:11:19 +0000
  • List-id: "Change log for Mercurial \(receive only\)" <xen-changelog.lists.xen.org>

# HG changeset patch
# User Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
# Date 1350488633 -3600
# Node ID 2a1083b1d0c24f943a1e0bca335fc11aabf6536e
# Parent  9eafdcd5ff0b55acaf65dd482179a3ca1db78482
xen: more XEN_GUEST_HANDLE_PARAM substitutions

More substitutions in this patch, not as obvious as the ones in the
previous patch.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: Keir Fraser <keir@xxxxxxx>
Committed-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---


diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/mm.c
--- a/xen/arch/x86/mm.c Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/mm.c Wed Oct 17 16:43:53 2012 +0100
@@ -2913,7 +2913,9 @@ long do_mmuext_op(
         {
             cpumask_t pmask;
 
-            if ( unlikely(vcpumask_to_pcpumask(d, op.arg2.vcpumask, &pmask)) )
+            if ( unlikely(vcpumask_to_pcpumask(d,
+                            guest_handle_to_param(op.arg2.vcpumask, 
const_void),
+                            &pmask)) )
             {
                 okay = 0;
                 break;
@@ -4195,6 +4197,7 @@ static int handle_iomem_range(unsigned l
     if ( s > ctxt->s )
     {
         e820entry_t ent;
+        XEN_GUEST_HANDLE_PARAM(e820entry_t) buffer_param;
         XEN_GUEST_HANDLE(e820entry_t) buffer;
 
         if ( ctxt->n + 1 >= ctxt->map.nr_entries )
@@ -4202,7 +4205,8 @@ static int handle_iomem_range(unsigned l
         ent.addr = (uint64_t)ctxt->s << PAGE_SHIFT;
         ent.size = (uint64_t)(s - ctxt->s) << PAGE_SHIFT;
         ent.type = E820_RESERVED;
-        buffer = guest_handle_cast(ctxt->map.buffer, e820entry_t);
+        buffer_param = guest_handle_cast(ctxt->map.buffer, e820entry_t);
+        buffer = guest_handle_from_param(buffer_param, e820entry_t);
         if ( __copy_to_guest_offset(buffer, ctxt->n, &ent, 1) )
             return -EFAULT;
         ctxt->n++;
@@ -4499,6 +4503,7 @@ long arch_memory_op(int op, XEN_GUEST_HA
     {
         struct memory_map_context ctxt;
         XEN_GUEST_HANDLE(e820entry_t) buffer;
+        XEN_GUEST_HANDLE_PARAM(e820entry_t) buffer_param;
         unsigned int i;
 
         if ( !IS_PRIV(current->domain) )
@@ -4513,7 +4518,8 @@ long arch_memory_op(int op, XEN_GUEST_HA
         if ( ctxt.map.nr_entries < e820.nr_map + 1 )
             return -EINVAL;
 
-        buffer = guest_handle_cast(ctxt.map.buffer, e820entry_t);
+        buffer_param = guest_handle_cast(ctxt.map.buffer, e820entry_t);
+        buffer = guest_handle_from_param(buffer_param, e820entry_t);
         if ( !guest_handle_okay(buffer, ctxt.map.nr_entries) )
             return -EFAULT;
 
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/oprofile/backtrace.c
--- a/xen/arch/x86/oprofile/backtrace.c Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/oprofile/backtrace.c Wed Oct 17 16:43:53 2012 +0100
@@ -74,8 +74,11 @@ dump_guest_backtrace(struct vcpu *vcpu, 
     }
     else
     {
-        XEN_GUEST_HANDLE(const_frame_head_t) guest_head =
+        XEN_GUEST_HANDLE(const_frame_head_t) guest_head;
+        XEN_GUEST_HANDLE_PARAM(const_frame_head_t) guest_head_param =
             const_guest_handle_from_ptr(head, frame_head_t);
+        guest_head = guest_handle_from_param(guest_head_param,
+                                            const_frame_head_t);
 
         /* Also check accessibility of one struct frame_head beyond */
         if (!guest_handle_okay(guest_head, 2))
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/platform_hypercall.c
--- a/xen/arch/x86/platform_hypercall.c Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/platform_hypercall.c Wed Oct 17 16:43:53 2012 +0100
@@ -61,7 +61,7 @@ long cpu_down_helper(void *data);
 long core_parking_helper(void *data);
 uint32_t get_cur_idle_nums(void);
 
-ret_t do_platform_op(XEN_GUEST_HANDLE(xen_platform_op_t) u_xenpf_op)
+ret_t do_platform_op(XEN_GUEST_HANDLE_PARAM(xen_platform_op_t) u_xenpf_op)
 {
     ret_t ret = 0;
     struct xen_platform_op curop, *op = &curop;
@@ -186,7 +186,9 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe
             }
         }
 
-        ret = microcode_update(data, op->u.microcode.length);
+        ret = microcode_update(
+                guest_handle_to_param(data, const_void),
+                op->u.microcode.length);
         spin_unlock(&vcpu_alloc_lock);
     }
     break;
@@ -454,7 +456,9 @@ ret_t do_platform_op(XEN_GUEST_HANDLE(xe
             XEN_GUEST_HANDLE(uint32) pdc;
 
             guest_from_compat_handle(pdc, op->u.set_pminfo.u.pdc);
-            ret = acpi_set_pdc_bits(op->u.set_pminfo.id, pdc);
+            ret = acpi_set_pdc_bits(
+                    op->u.set_pminfo.id,
+                    guest_handle_to_param(pdc, uint32));
         }
         break;
 
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/x86_64/cpu_idle.c
--- a/xen/arch/x86/x86_64/cpu_idle.c    Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/x86_64/cpu_idle.c    Wed Oct 17 16:43:53 2012 +0100
@@ -57,10 +57,12 @@ static int copy_from_compat_state(xen_pr
 {
 #define XLAT_processor_cx_HNDL_dp(_d_, _s_) do { \
     XEN_GUEST_HANDLE(compat_processor_csd_t) dps; \
+    XEN_GUEST_HANDLE_PARAM(xen_processor_csd_t) dps_param; \
     if ( unlikely(!compat_handle_okay((_s_)->dp, (_s_)->dpcnt)) ) \
             return -EFAULT; \
     guest_from_compat_handle(dps, (_s_)->dp); \
-    (_d_)->dp = guest_handle_cast(dps, xen_processor_csd_t); \
+    dps_param = guest_handle_cast(dps, xen_processor_csd_t); \
+    (_d_)->dp = guest_handle_from_param(dps_param, xen_processor_csd_t); \
 } while (0)
     XLAT_processor_cx(xen_state, state);
 #undef XLAT_processor_cx_HNDL_dp
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/x86_64/cpufreq.c
--- a/xen/arch/x86/x86_64/cpufreq.c     Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/x86_64/cpufreq.c     Wed Oct 17 16:43:53 2012 +0100
@@ -45,10 +45,12 @@ compat_set_px_pminfo(uint32_t cpu, struc
 
 #define XLAT_processor_performance_HNDL_states(_d_, _s_) do { \
     XEN_GUEST_HANDLE(compat_processor_px_t) states; \
+    XEN_GUEST_HANDLE_PARAM(xen_processor_px_t) states_t; \
     if ( unlikely(!compat_handle_okay((_s_)->states, (_s_)->state_count)) ) \
         return -EFAULT; \
     guest_from_compat_handle(states, (_s_)->states); \
-    (_d_)->states = guest_handle_cast(states, xen_processor_px_t); \
+    states_t = guest_handle_cast(states, xen_processor_px_t); \
+    (_d_)->states = guest_handle_from_param(states_t, xen_processor_px_t); \
 } while (0)
 
     XLAT_processor_performance(xen_perf, perf);
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/arch/x86/x86_64/platform_hypercall.c
--- a/xen/arch/x86/x86_64/platform_hypercall.c  Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/arch/x86/x86_64/platform_hypercall.c  Wed Oct 17 16:43:53 2012 +0100
@@ -38,6 +38,7 @@ CHECK_pf_pcpu_version;
 
 #define COMPAT
 #define _XEN_GUEST_HANDLE(t) XEN_GUEST_HANDLE(t)
+#define _XEN_GUEST_HANDLE_PARAM(t) XEN_GUEST_HANDLE_PARAM(t)
 typedef int ret_t;
 
 #include "../platform_hypercall.c"
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/common/compat/multicall.c
--- a/xen/common/compat/multicall.c     Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/common/compat/multicall.c     Wed Oct 17 16:43:53 2012 +0100
@@ -25,6 +25,7 @@ DEFINE_XEN_GUEST_HANDLE(multicall_entry_
 #define call                 compat_call
 #define do_multicall(l, n)   compat_multicall(_##l, n)
 #define _XEN_GUEST_HANDLE(t) XEN_GUEST_HANDLE(t)
+#define _XEN_GUEST_HANDLE_PARAM(t) XEN_GUEST_HANDLE(t)
 
 static void __trace_multicall_call(multicall_entry_t *call)
 {
diff -r 9eafdcd5ff0b -r 2a1083b1d0c2 xen/common/multicall.c
--- a/xen/common/multicall.c    Wed Oct 17 16:43:53 2012 +0100
+++ b/xen/common/multicall.c    Wed Oct 17 16:43:53 2012 +0100
@@ -35,7 +35,7 @@ static void trace_multicall_call(multica
 
 ret_t
 do_multicall(
-    XEN_GUEST_HANDLE(multicall_entry_t) call_list, unsigned int nr_calls)
+    XEN_GUEST_HANDLE_PARAM(multicall_entry_t) call_list, unsigned int nr_calls)
 {
     struct mc_state *mcs = &current->mc_state;
     unsigned int     i;

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