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Tue, 25 Nov 2025 09:30:08 -0800 (PST) From: Pawel Zmarzly To: qemu-devel@nongnu.org Cc: jsnow@redhat.com, michel@michel-slm.name Subject: [PATCH] scripts/analyze-migration: Rename RAM_SAVE_FLAG_COMPRESS to RAM_SAVE_FLAG_ZERO Date: Tue, 25 Nov 2025 17:30:07 +0000 Message-ID: <20251125173007.245607-1-pzmarzly0@gmail.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::429; envelope-from=pzmarzly0@gmail.com; helo=mail-wr1-x429.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1764091855064019100 Content-Type: text/plain; charset="utf-8" It has been renamed on the C side a few years ago. In modern QEMU versions, fill_byte must be zero. Updating the Python script to make grepping and understanding the code easier. Signed-off-by: Pawel Zmarzly --- scripts/analyze-migration.py | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py index 67631ac43e..6364fe4f72 100755 --- a/scripts/analyze-migration.py +++ b/scripts/analyze-migration.py @@ -107,7 +107,7 @@ def close(self): self.file.close() =20 class RamSection(object): - RAM_SAVE_FLAG_COMPRESS =3D 0x02 + RAM_SAVE_FLAG_ZERO =3D 0x02 RAM_SAVE_FLAG_MEM_SIZE =3D 0x04 RAM_SAVE_FLAG_PAGE =3D 0x08 RAM_SAVE_FLAG_EOS =3D 0x10 @@ -172,19 +172,15 @@ def read(self): mr_addr =3D self.file.read64() flags &=3D ~self.RAM_SAVE_FLAG_MEM_SIZE =20 - if flags & self.RAM_SAVE_FLAG_COMPRESS: + if flags & self.RAM_SAVE_FLAG_ZERO: if flags & self.RAM_SAVE_FLAG_CONTINUE: flags &=3D ~self.RAM_SAVE_FLAG_CONTINUE else: self.name =3D self.file.readstr() - fill_char =3D self.file.read8() - # The page in question is filled with fill_char now - if self.write_memory and fill_char !=3D 0: - self.files[self.name].seek(addr, os.SEEK_SET) - self.files[self.name].write(chr(fill_char) * self.TARG= ET_PAGE_SIZE) + _fill_char =3D self.file.read8() if self.dump_memory: - self.memory['%s (0x%016x)' % (self.name, addr)] =3D 'F= illed with 0x%02x' % fill_char - flags &=3D ~self.RAM_SAVE_FLAG_COMPRESS + self.memory['%s (0x%016x)' % (self.name, addr)] =3D 'F= illed with 0x00' + flags &=3D ~self.RAM_SAVE_FLAG_ZERO elif flags & self.RAM_SAVE_FLAG_PAGE: if flags & self.RAM_SAVE_FLAG_CONTINUE: flags &=3D ~self.RAM_SAVE_FLAG_CONTINUE --=20 2.52.0