All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "David Hildenbrand" <david@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Nicholas Piggin" <npiggin@gmail.com>,
	"Peter Xu" <peterx@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>
Subject: [PATCH-for-9.0 v2 2/3] physmem: Factor cpu_physical_memory_dirty_bits_cleared() out
Date: Tue, 12 Mar 2024 21:14:57 +0100	[thread overview]
Message-ID: <20240312201458.79532-3-philmd@linaro.org> (raw)
In-Reply-To: <20240312201458.79532-1-philmd@linaro.org>

From: Nicholas Piggin <npiggin@gmail.com>

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240219061731.232570-1-npiggin@gmail.com>
[PMD: Split patch in 2: part 1/2]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/exec/ram_addr.h | 9 +++++++++
 system/physmem.c        | 8 +++-----
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h
index 90676093f5..b060ea9176 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);
diff --git a/system/physmem.c b/system/physmem.c
index 5441480ff0..a4fe3d2bf8 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -881,8 +881,8 @@ bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start,
         memory_region_clear_dirty_bitmap(ramblock->mr, mr_offset, mr_size);
     }
 
-    if (dirty && tcg_enabled()) {
-        tlb_reset_dirty_range_all(start, length);
+    if (dirty) {
+        cpu_physical_memory_dirty_bits_cleared(start, length);
     }
 
     return dirty;
@@ -929,9 +929,7 @@ DirtyBitmapSnapshot *cpu_physical_memory_snapshot_and_clear_dirty
         }
     }
 
-    if (tcg_enabled()) {
-        tlb_reset_dirty_range_all(start, length);
-    }
+    cpu_physical_memory_dirty_bits_cleared(start, length);
 
     memory_region_clear_dirty_bitmap(mr, offset, length);
 
-- 
2.41.0



  parent reply	other threads:[~2024-03-12 20:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-12 20:14 [PATCH-for-9.0 v2 0/3] system/physmem: Fix migration dirty bitmap coherency with TCG memory access Philippe Mathieu-Daudé
2024-03-12 20:14 ` [PATCH-for-9.0 v2 1/3] physmem: Expose tlb_reset_dirty_range_all() Philippe Mathieu-Daudé
2024-03-13  5:17   ` Nicholas Piggin
2024-03-12 20:14 ` Philippe Mathieu-Daudé [this message]
2024-03-12 20:14 ` [PATCH-for-9.0 v2 3/3] physmem: Fix migration dirty bitmap coherency with TCG memory access Philippe Mathieu-Daudé
2024-03-12 21:09 ` [PATCH-for-9.0 v2 0/3] system/physmem: " Peter Xu
2024-03-13  5:23   ` Nicholas Piggin
2024-03-12 21:27 ` Richard Henderson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20240312201458.79532-3-philmd@linaro.org \
    --to=philmd@linaro.org \
    --cc=david@redhat.com \
    --cc=npiggin@gmail.com \
    --cc=pbonzini@redhat.com \
    --cc=peterx@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=richard.henderson@linaro.org \
    --cc=thuth@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.