[Xen-changelog] [qemu-xen stable-4.10] memory: Cleanup after switching to FlatView

[patchbot@xxxxxxx]

commit eff5ed4ae97a091e5ac3abc1f5e5d653359f1dd8
Author:     Alexey Kardashevskiy <aik@xxxxxxxxx>
AuthorDate: Thu Sep 21 18:50:59 2017 +1000
Commit:     Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
CommitDate: Mon Dec 4 22:03:54 2017 -0600

    memory: Cleanup after switching to FlatView
    
    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@xxxxxxxxx>
    Message-Id: <20170921085110.25598-8-aik@xxxxxxxxx>
    Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
    (cherry picked from commit 9950322a593ff900a860fb52938159461798a831)
    Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx>
---
 exec.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/exec.c b/exec.c
index b561098..3e02b82 100644
--- a/exec.c
+++ b/exec.c
@@ -1303,9 +1303,9 @@ 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;
@@ -1334,9 +1334,10 @@ 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,
@@ -1348,7 +1349,6 @@ 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);
 
@@ -1357,7 +1357,7 @@ 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();
     }
@@ -1367,13 +1367,13 @@ 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);
         }
     }
 }
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#stable-4.10

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