From: peterx@redhat.com
To: qemu-devel@nongnu.org, Peter Maydell <peter.maydell@linaro.org>
Cc: "Fabiano Rosas" <farosas@suse.de>,
"Prasad Pandit" <ppandit@redhat.com>,
peterx@redhat.com, "David Hildenbrand" <david@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Thomas Huth" <thuth@redhat.com>,
"Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Richard Henderson" <richard.henderson@linaro.org>
Subject: [PULL 04/10] physmem: Factor cpu_physical_memory_dirty_bits_cleared() out
Date: Sun, 17 Mar 2024 16:57:57 -0400 [thread overview]
Message-ID: <20240317205803.361163-5-peterx@redhat.com> (raw)
In-Reply-To: <20240317205803.361163-1-peterx@redhat.com>
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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Link: https://lore.kernel.org/r/20240312201458.79532-3-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
---
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);
--
2.44.0
next prev parent reply other threads:[~2024-03-17 20:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-17 20:57 [PULL 00/10] Migration 20240317 patches peterx
2024-03-17 20:57 ` [PULL 01/10] io: Introduce qio_channel_file_new_dupfd peterx
2024-03-17 20:57 ` [PULL 02/10] migration: Fix error handling after dup in file migration peterx
2024-03-17 20:57 ` [PULL 03/10] physmem: Expose tlb_reset_dirty_range_all() peterx
2024-03-17 20:57 ` peterx [this message]
2024-03-17 20:57 ` [PULL 05/10] physmem: Fix migration dirty bitmap coherency with TCG memory access peterx
2024-03-17 20:57 ` [PULL 06/10] migration: Skip only empty block devices peterx
2024-03-17 20:58 ` [PULL 07/10] migration: cpr-reboot documentation peterx
2024-03-17 20:58 ` [PULL 08/10] migration: Fix iocs leaks during file and fd migration peterx
2024-03-17 20:58 ` [PULL 09/10] migration/multifd: Ensure we're not given a socket for file migration peterx
2024-03-17 20:58 ` [PULL 10/10] migration/multifd: Duplicate the fd for the outgoing_args peterx
2024-03-19 10:23 ` [PULL 00/10] Migration 20240317 patches Peter Maydell
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=20240317205803.361163-5-peterx@redhat.com \
--to=peterx@redhat.com \
--cc=david@redhat.com \
--cc=farosas@suse.de \
--cc=npiggin@gmail.com \
--cc=pbonzini@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=philmd@linaro.org \
--cc=ppandit@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).