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authorPeter Maydell <peter.maydell@linaro.org>2024-03-18 17:16:00 +0000
committerPeter Maydell <peter.maydell@linaro.org>2024-03-18 17:16:00 +0000
commitc6ea92aab8591ff107051ffae2f86a34475c558c (patch)
tree47476785514201c641d46fee20821f2a1d24940a /include/exec/ram_addr.h
parentba49d760eb04630e7b15f423ebecf6c871b8f77b (diff)
parent9adfb308c1513562d6acec02aa780c5ef9b0193d (diff)
downloadfocaccia-qemu-c6ea92aab8591ff107051ffae2f86a34475c558c.tar.gz
focaccia-qemu-c6ea92aab8591ff107051ffae2f86a34475c558c.zip
Merge tag 'migration-20240317-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull for 9.0-rc0

- Nicholas/Phil's fix on migration corruption / inconsistent for tcg
- Cedric's fix on block migration over n_sectors==0
- Steve's CPR reboot documentation page
- Fabiano's misc fixes on mapped-ram (IOC leak, dup() errors, fd checks, fd
  use race, etc.)

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# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
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* tag 'migration-20240317-pull-request' of https://gitlab.com/peterx/qemu:
  migration/multifd: Duplicate the fd for the outgoing_args
  migration/multifd: Ensure we're not given a socket for file migration
  migration: Fix iocs leaks during file and fd migration
  migration: cpr-reboot documentation
  migration: Skip only empty block devices
  physmem: Fix migration dirty bitmap coherency with TCG memory access
  physmem: Factor cpu_physical_memory_dirty_bits_cleared() out
  physmem: Expose tlb_reset_dirty_range_all()
  migration: Fix error handling after dup in file migration
  io: Introduce qio_channel_file_new_dupfd

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/exec/ram_addr.h')
-rw-r--r--include/exec/ram_addr.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 90676093f5..de45ba7bc9 100644
--- a/include/exec/ram_addr.h
+++ b/include/exec/ram_addr.h
@@ -25,6 +25,7 @@
 #include "sysemu/tcg.h"
 #include "exec/ramlist.h"
 #include "exec/ramblock.h"
+#include "exec/exec-all.h"
 
 extern uint64_t total_dirty_pages;
 
@@ -443,6 +444,14 @@ uint64_t cpu_physical_memory_set_dirty_lebitmap(unsigned long *bitmap,
 }
 #endif /* not _WIN32 */
 
+static inline void cpu_physical_memory_dirty_bits_cleared(ram_addr_t start,
+                                                          ram_addr_t length)
+{
+    if (tcg_enabled()) {
+        tlb_reset_dirty_range_all(start, length);
+    }
+
+}
 bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start,
                                               ram_addr_t length,
                                               unsigned client);
@@ -504,6 +513,9 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(RAMBlock *rb,
                 idx++;
             }
         }
+        if (num_dirty) {
+            cpu_physical_memory_dirty_bits_cleared(start, length);
+        }
 
         if (rb->clear_bmap) {
             /*