Blame SOURCES/kvm-memory-Cleanup-after-switching-to-FlatView.patch

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From f11d0111c641b1ea0c961f1faee7f9682c4f272c Mon Sep 17 00:00:00 2001
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From: David Gibson <dgibson@redhat.com>
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Date: Thu, 16 Nov 2017 03:07:20 +0100
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Subject: [PATCH 16/30] memory: Cleanup after switching to FlatView
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RH-Author: David Gibson <dgibson@redhat.com>
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Message-id: <20171116030732.8560-11-dgibson@redhat.com>
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Patchwork-id: 77701
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O-Subject: [PATCH 10/22] memory: Cleanup after switching to FlatView
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Bugzilla: 1481593
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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From: Alexey Kardashevskiy <aik@ozlabs.ru>
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We store AddressSpaceDispatch* in FlatView anyway so there is no need
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to carry it from mem_add() to register_subpage/register_multipage.
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This should cause no behavioural change.
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Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
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Message-Id: <20170921085110.25598-8-aik@ozlabs.ru>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 9950322a593ff900a860fb52938159461798a831)
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Signed-off-by: David Gibson <dgibson@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 exec.c | 16 ++++++++--------
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 1 file changed, 8 insertions(+), 8 deletions(-)
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diff --git a/exec.c b/exec.c
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index 0eedeb2..d1d8486 100644
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--- a/exec.c
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+++ b/exec.c
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@@ -1314,9 +1314,9 @@ static void phys_sections_free(PhysPageMap *map)
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     g_free(map->nodes);
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 }
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-static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
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-                             MemoryRegionSection *section)
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+static void register_subpage(FlatView *fv, MemoryRegionSection *section)
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 {
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+    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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     subpage_t *subpage;
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     hwaddr base = section->offset_within_address_space
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         & TARGET_PAGE_MASK;
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@@ -1345,9 +1345,10 @@ static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
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 }
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-static void register_multipage(AddressSpaceDispatch *d,
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+static void register_multipage(FlatView *fv,
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                                MemoryRegionSection *section)
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 {
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+    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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     hwaddr start_addr = section->offset_within_address_space;
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     uint16_t section_index = phys_section_add(&d->map, section);
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     uint64_t num_pages = int128_get64(int128_rshift(section->size,
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@@ -1359,7 +1360,6 @@ static void register_multipage(AddressSpaceDispatch *d,
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 void mem_add(FlatView *fv, MemoryRegionSection *section)
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 {
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-    AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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     MemoryRegionSection now = *section, remain = *section;
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     Int128 page_size = int128_make64(TARGET_PAGE_SIZE);
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@@ -1368,7 +1368,7 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
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                        - now.offset_within_address_space;
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         now.size = int128_min(int128_make64(left), now.size);
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-        register_subpage(fv, d, &now;;
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+        register_subpage(fv, &now;;
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     } else {
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         now.size = int128_zero();
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     }
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@@ -1378,13 +1378,13 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
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         remain.offset_within_region += int128_get64(now.size);
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         now = remain;
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         if (int128_lt(remain.size, page_size)) {
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-            register_subpage(fv, d, &now;;
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+            register_subpage(fv, &now;;
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         } else if (remain.offset_within_address_space & ~TARGET_PAGE_MASK) {
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             now.size = page_size;
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-            register_subpage(fv, d, &now;;
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+            register_subpage(fv, &now;;
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         } else {
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             now.size = int128_and(now.size, int128_neg(page_size));
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-            register_multipage(d, &now;;
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+            register_multipage(fv, &now;;
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         }
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     }
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 }
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-- 
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1.8.3.1
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