Re: [PATCH 5/6] Replace "iothread lock" with "BQL" in comments

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Hi Stefan,

On 29/11/23 22:26, Stefan Hajnoczi wrote:
The term "iothread lock" is obsolete. The APIs use Big QEMU Lock (BQL)
in their names. Update the code comments to use "BQL" instead of
"iothread lock".

Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
---
  docs/devel/reset.rst             |  2 +-
  hw/display/qxl.h                 |  2 +-
  include/exec/cpu-common.h        |  2 +-
  include/exec/memory.h            |  4 ++--
  include/exec/ramblock.h          |  2 +-
  include/migration/register.h     |  8 ++++----
  target/arm/internals.h           |  4 ++--
  accel/tcg/cputlb.c               |  4 ++--
  accel/tcg/tcg-accel-ops-icount.c |  2 +-
  hw/remote/mpqemu-link.c          |  2 +-
  migration/block-dirty-bitmap.c   | 10 +++++-----
  migration/block.c                | 24 ++++++++++++------------
  migration/colo.c                 |  2 +-
  migration/migration.c            |  2 +-
  migration/ram.c                  |  4 ++--
  system/physmem.c                 |  6 +++---
  target/arm/helper.c              |  2 +-
  target/arm/tcg/m_helper.c        |  2 +-
  ui/spice-core.c                  |  2 +-
  util/rcu.c                       |  2 +-
  audio/coreaudio.m                |  4 ++--
  ui/cocoa.m                       |  6 +++---
  22 files changed, 49 insertions(+), 49 deletions(-)


diff --git a/include/exec/ramblock.h b/include/exec/ramblock.h
index 69c6a53902..a2bc0a345d 100644
--- a/include/exec/ramblock.h
+++ b/include/exec/ramblock.h
@@ -34,7 +34,7 @@ struct RAMBlock {
      ram_addr_t max_length;
      void (*resized)(const char*, uint64_t length, void *host);
      uint32_t flags;
-    /* Protected by iothread lock.  */
+    /* Protected by BQL.  */

There is only one single BQL, so preferably:

"by the BQL"

      char idstr[256];
      /* RCU-enabled, writes protected by the ramlist lock */
      QLIST_ENTRY(RAMBlock) next;




-/* Called with iothread lock taken.  */
+/* Called with BQL taken.  */

"with the BQL" (other uses)

Otherwise,

Reviewed-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>

  static void dirty_bitmap_do_save_cleanup(DBMSaveState *s)
  {
      SaveBitmapState *dbms;
@@ -479,7 +479,7 @@ static void dirty_bitmap_do_save_cleanup(DBMSaveState *s)
      }
  }





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