{"id":2197170,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2197170/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/projects/14/?format=json","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":""},"msgid":"<20260217095106.598486-7-richard.henderson@linaro.org>","date":"2026-02-17T09:51:05","name":"[v2,6/7] page-vary: Build migration_legacy_page_bits as common code","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a9a0407d696b09fcb4ac4e106b37221ac7abc41e","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/1.0/people/72104/?format=json","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260217095106.598486-7-richard.henderson@linaro.org/mbox/","series":[{"id":492403,"url":"http://patchwork.ozlabs.org/api/1.0/series/492403/?format=json","date":"2026-02-17T09:51:04","name":"page-vary: Build once","version":2,"mbox":"http://patchwork.ozlabs.org/series/492403/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2197170/checks/","tags":{},"headers":{"Return-Path":"","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=Ram+1Hl7;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pg1-x531.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=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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Use target_info->page_bits_init to implement\nmigration_legacy_page_bits. Because this is the last\nfunction within the file, rename page-vary-target.c\nto page-vary-system.c and build once for system mode.\n\nSigned-off-by: Richard Henderson \n---\n page-vary-target.c => page-vary-system.c | 19 ++++++-------------\n meson.build | 2 +-\n 2 files changed, 7 insertions(+), 14 deletions(-)\n rename page-vary-target.c => page-vary-system.c (74%)","diff":"diff --git a/page-vary-target.c b/page-vary-system.c\nsimilarity index 74%\nrename from page-vary-target.c\nrename to page-vary-system.c\nindex bc4d8931b6..6c49c10e23 100644\n--- a/page-vary-target.c\n+++ b/page-vary-system.c\n@@ -1,5 +1,5 @@\n /*\n- * Variable page size handling -- target specific part.\n+ * Variable page size handling -- system specific part.\n *\n * Copyright (c) 2003 Fabrice Bellard\n *\n@@ -17,24 +17,17 @@\n * License along with this library; if not, see .\n */\n \n-#define IN_PAGE_VARY 1\n-\n #include \"qemu/osdep.h\"\n #include \"exec/page-vary.h\"\n-#include \"exec/target_page.h\"\n-\n-#ifndef CONFIG_USER_ONLY\n #include \"exec/tlb-flags.h\"\n+#include \"qemu/target-info-impl.h\"\n \n QEMU_BUILD_BUG_ON(TLB_FLAGS_MASK & ((1u < TARGET_PAGE_BITS_MIN) - 1));\n \n int migration_legacy_page_bits(void)\n {\n-#ifdef TARGET_PAGE_BITS_VARY\n- QEMU_BUILD_BUG_ON(TARGET_PAGE_BITS_LEGACY < TARGET_PAGE_BITS_MIN);\n- return TARGET_PAGE_BITS_LEGACY;\n-#else\n- return TARGET_PAGE_BITS;\n-#endif\n+ const TargetInfo *ti = target_info();\n+\n+ assert(ti->page_bits_init >= TARGET_PAGE_BITS_MIN);\n+ return ti->page_bits_init;\n }\n-#endif\ndiff --git a/meson.build b/meson.build\nindex 4af32c3e1f..1dc10f144b 100644\n--- a/meson.build\n+++ b/meson.build\n@@ -3835,7 +3835,7 @@ if get_option('b_lto')\n pagevary = declare_dependency(link_with: pagevary)\n endif\n common_ss.add(pagevary)\n-specific_ss.add(files('page-vary-target.c'))\n+system_ss.add(files('page-vary-system.c'))\n \n common_ss.add(files('target-info.c'))\n system_ss.add(files('target-info-qom.c'))\n","prefixes":["v2","6/7"]}