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Wed, 28 Jan 2026 07:24:02 -0800 (PST) From: Jim Shu To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Richard Henderson , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang , Zhao Liu , Peter Xu , Jim Shu Subject: [PATCH v2 3/3] system/physmem: Remove the assertion of page-aligned section number Date: Wed, 28 Jan 2026 23:23:48 +0800 Message-ID: <20260128152348.2095427-4-jim.shu@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260128152348.2095427-1-jim.shu@sifive.com> References: <20260128152348.2095427-1-jim.shu@sifive.com> 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=2607:f8b0:4864:20::442; envelope-from=jim.shu@sifive.com; helo=mail-pf1-x442.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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: qemu development 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 @sifive.com) X-ZM-MESSAGEID: 1769613885327158500 Content-Type: text/plain; charset="utf-8" The physical section number is no longer ORed into the IOTLB entries together with a page-aligned pointer, so it no longer needs to be page-aligned. Signed-off-by: Jim Shu Reviewed-by: Pierrick Bouvier --- system/physmem.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/system/physmem.c b/system/physmem.c index d17596a77fb..2fb0c25c93b 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -1323,12 +1323,6 @@ static subpage_t *subpage_init(FlatView *fv, hwaddr = base); static uint16_t phys_section_add(PhysPageMap *map, MemoryRegionSection *section) { - /* The physical section number is ORed with a page-aligned - * pointer to produce the iotlb entries. Thus it should - * never overflow into the page-aligned value. - */ - assert(map->sections_nb < TARGET_PAGE_SIZE); - if (map->sections_nb =3D=3D map->sections_nb_alloc) { map->sections_nb_alloc =3D MAX(map->sections_nb_alloc * 2, 16); map->sections =3D g_renew(MemoryRegionSection, map->sections, --=20 2.43.0