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GET /api/1.2/patches/2224660/?format=api
{ "id": 2224660, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224660/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417173105.1648172-11-peter.maydell@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260417173105.1648172-11-peter.maydell@linaro.org>", "list_archive_url": null, "date": "2026-04-17T17:30:58", "name": "[10/17] hw/core: Update docs for get_phys_addr_{attrs_,}debug", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8d0826d1a6c7fff8679a278254550cefd5ab912d", "submitter": { "id": 5111, "url": "http://patchwork.ozlabs.org/api/1.2/people/5111/?format=api", "name": "Peter Maydell", "email": "peter.maydell@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260417173105.1648172-11-peter.maydell@linaro.org/mbox/", "series": [ { "id": 500380, "url": "http://patchwork.ozlabs.org/api/1.2/series/500380/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500380", "date": "2026-04-17T17:30:51", "name": "Handle sub-page granularity in cpu_memory_rw_debug()", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500380/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224660/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224660/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=EkhlXqQx;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fy29c0m99z1yD3\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 18 Apr 2026 03:36:20 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wDn35-0007Mc-9j; Fri, 17 Apr 2026 13:32:11 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wDn2X-0006pY-Ff\n for qemu-devel@nongnu.org; Fri, 17 Apr 2026 13:31:42 -0400", "from mail-wr1-x42d.google.com ([2a00:1450:4864:20::42d])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1wDn2R-00028A-C6\n for qemu-devel@nongnu.org; Fri, 17 Apr 2026 13:31:36 -0400", "by mail-wr1-x42d.google.com with SMTP id\n ffacd0b85a97d-43d7e23defbso624540f8f.0\n for <qemu-devel@nongnu.org>; Fri, 17 Apr 2026 10:31:30 -0700 (PDT)", "from lanath.. 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Iglesias\" <edgar.iglesias@gmail.com>,\n Jiaxun Yang <jiaxun.yang@flygoat.com>, Nicholas Piggin <npiggin@gmail.com>,\n Chinmay Rath <rathc@linux.ibm.com>, Glenn Miles <milesg@linux.ibm.com>,\n Palmer Dabbelt <palmer@dabbelt.com>,\n Alistair Francis <alistair.francis@wdc.com>, Weiwei Li <liwei1518@gmail.com>,\n Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>,\n Liu Zhiwei <zhiwei_liu@linux.alibaba.com>,\n Chao Liu <chao.liu.zevorn@gmail.com>, Ilya Leoshkevich <iii@linux.ibm.com>,\n David Hildenbrand <david@kernel.org>,\n Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,\n Artyom Tarasenko <atar4qemu@gmail.com>", "Subject": "[PATCH 10/17] hw/core: Update docs for get_phys_addr_{attrs_,}debug", "Date": "Fri, 17 Apr 2026 18:30:58 +0100", "Message-ID": "<20260417173105.1648172-11-peter.maydell@linaro.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260417173105.1648172-1-peter.maydell@linaro.org>", "References": "<20260417173105.1648172-1-peter.maydell@linaro.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::42d;\n envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x42d.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Update the documentation for the get_phys_addr_{attrs_,}debug methods\nand wrapper functions to state that they can handle non-page aligned\naddresses and will return the corresponding exact physaddr for them.\n\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n include/hw/core/cpu.h | 16 +++++++++++-----\n include/hw/core/sysemu-cpu-ops.h | 4 ++++\n 2 files changed, 15 insertions(+), 5 deletions(-)", "diff": "diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h\nindex 6dedad535c..0941757c55 100644\n--- a/include/hw/core/cpu.h\n+++ b/include/hw/core/cpu.h\n@@ -746,15 +746,18 @@ void cpu_dump_state(CPUState *cpu, FILE *f, int flags);\n \n /**\n * cpu_get_phys_addr_attrs_debug:\n- * @cpu: The CPU to obtain the physical page address for.\n+ * @cpu: The CPU to use for the virtual-to-physical translation\n * @addr: The virtual address.\n * @attrs: Updated on return with the memory transaction attributes to use\n * for this access.\n *\n- * Obtains the physical page corresponding to a virtual one, together\n+ * Obtains the physical address corresponding to a virtual one, together\n * with the corresponding memory transaction attributes to use for the access.\n * Use it only for debugging because no protection checks are done.\n *\n+ * The address need not be page-aligned; the returned address will\n+ * be the physical address corresponding to that virtual address.\n+ *\n * Returns: Corresponding physical page address or -1 if no page found.\n */\n hwaddr cpu_get_phys_addr_attrs_debug(CPUState *cpu, vaddr addr,\n@@ -762,13 +765,16 @@ hwaddr cpu_get_phys_addr_attrs_debug(CPUState *cpu, vaddr addr,\n \n /**\n * cpu_get_phys_addr_debug:\n- * @cpu: The CPU to obtain the physical page address for.\n+ * @cpu: The CPU to use for the virtual-to-physical translation\n * @addr: The virtual address.\n *\n- * Obtains the physical page corresponding to a virtual one.\n+ * Obtains the physical address corresponding to a virtual one.\n * Use it only for debugging because no protection checks are done.\n *\n- * Returns: Corresponding physical page address or -1 if no page found.\n+ * The address need not be page-aligned; the returned address will\n+ * be the physical address corresponding to that virtual address.\n+ *\n+ * Returns: Corresponding physical address, or -1 if no page found.\n */\n hwaddr cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr);\n \ndiff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-ops.h\nindex a4fc330bea..a87c55d922 100644\n--- a/include/hw/core/sysemu-cpu-ops.h\n+++ b/include/hw/core/sysemu-cpu-ops.h\n@@ -31,6 +31,8 @@ typedef struct SysemuCPUOps {\n bool (*get_paging_enabled)(const CPUState *cpu);\n /**\n * @get_phys_addr_debug: Callback for obtaining a physical address.\n+ * This must be able to handle a non-page-aligned address, and will\n+ * return the physical address corresponding to that address.\n */\n hwaddr (*get_phys_addr_debug)(CPUState *cpu, vaddr addr);\n /**\n@@ -39,6 +41,8 @@ typedef struct SysemuCPUOps {\n * access.\n * CPUs which use memory transaction attributes should implement this\n * instead of get_phys_addr_debug.\n+ * This must be able to handle a non-page-aligned address, and will\n+ * return the physical address corresponding to that address.\n */\n hwaddr (*get_phys_addr_attrs_debug)(CPUState *cpu, vaddr addr,\n MemTxAttrs *attrs);\n", "prefixes": [ "10/17" ] }