From f11d0111c641b1ea0c961f1faee7f9682c4f272c Mon Sep 17 00:00:00 2001
From: David Gibson <dgibson@redhat.com>
Date: Thu, 16 Nov 2017 03:07:20 +0100
Subject: [PATCH 16/30] memory: Cleanup after switching to FlatView

RH-Author: David Gibson <dgibson@redhat.com>
Message-id: <20171116030732.8560-11-dgibson@redhat.com>
Patchwork-id: 77701
O-Subject: [PATCH 10/22] memory: Cleanup after switching to FlatView
Bugzilla: 1481593
RH-Acked-by: Thomas Huth <thuth@redhat.com>
RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>

From: Alexey Kardashevskiy <aik@ozlabs.ru>

We store AddressSpaceDispatch* in FlatView anyway so there is no need
to carry it from mem_add() to register_subpage/register_multipage.

This should cause no behavioural change.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Message-Id: <20170921085110.25598-8-aik@ozlabs.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 9950322a593ff900a860fb52938159461798a831)

Signed-off-by: David Gibson <dgibson@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
 exec.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/exec.c b/exec.c
index 0eedeb2..d1d8486 100644
--- a/exec.c
+++ b/exec.c
@@ -1314,9 +1314,9 @@ static void phys_sections_free(PhysPageMap *map)
     g_free(map->nodes);
 }
 
-static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
-                             MemoryRegionSection *section)
+static void register_subpage(FlatView *fv, MemoryRegionSection *section)
 {
+    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
     subpage_t *subpage;
     hwaddr base = section->offset_within_address_space
         & TARGET_PAGE_MASK;
@@ -1345,9 +1345,10 @@ static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
 }
 
 
-static void register_multipage(AddressSpaceDispatch *d,
+static void register_multipage(FlatView *fv,
                                MemoryRegionSection *section)
 {
+    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
     hwaddr start_addr = section->offset_within_address_space;
     uint16_t section_index = phys_section_add(&d->map, section);
     uint64_t num_pages = int128_get64(int128_rshift(section->size,
@@ -1359,7 +1360,6 @@ static void register_multipage(AddressSpaceDispatch *d,
 
 void mem_add(FlatView *fv, MemoryRegionSection *section)
 {
-    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
     MemoryRegionSection now = *section, remain = *section;
     Int128 page_size = int128_make64(TARGET_PAGE_SIZE);
 
@@ -1368,7 +1368,7 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
                        - now.offset_within_address_space;
 
         now.size = int128_min(int128_make64(left), now.size);
-        register_subpage(fv, d, &now);
+        register_subpage(fv, &now);
     } else {
         now.size = int128_zero();
     }
@@ -1378,13 +1378,13 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
         remain.offset_within_region += int128_get64(now.size);
         now = remain;
         if (int128_lt(remain.size, page_size)) {
-            register_subpage(fv, d, &now);
+            register_subpage(fv, &now);
         } else if (remain.offset_within_address_space & ~TARGET_PAGE_MASK) {
             now.size = page_size;
-            register_subpage(fv, d, &now);
+            register_subpage(fv, &now);
         } else {
             now.size = int128_and(now.size, int128_neg(page_size));
-            register_multipage(d, &now);
+            register_multipage(fv, &now);
         }
     }
 }
-- 
1.8.3.1