{"id":2228822,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228822/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-34-peter.maydell@linaro.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/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":"<20260427124738.966578-34-peter.maydell@linaro.org>","date":"2026-04-27T12:47:07","name":"[PULL,33/63] target/arm/machine: Handle ToleranceOnlySrcTestValue migration tolerance","commit_ref":null,"pull_url":null,"state":"not-applicable","archived":false,"hash":"4db60d6076ec161f3d0499d0f2248588eae9597e","submitter":{"id":5111,"url":"http://patchwork.ozlabs.org/api/1.1/people/5111/?format=json","name":"Peter Maydell","email":"peter.maydell@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260427124738.966578-34-peter.maydell@linaro.org/mbox/","series":[{"id":501642,"url":"http://patchwork.ozlabs.org/api/1.1/series/501642/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501642","date":"2026-04-27T12:46:34","name":"[PULL,01/63] docs/system: add FEAT_AA32 and FEAT_AA64 to emulation list","version":1,"mbox":"http://patchwork.ozlabs.org/series/501642/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228822/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228822/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=ZKGycC0+;\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 4g43MY4Y0Yz1xvV\n\tfor ; Mon, 27 Apr 2026 22:50:49 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wHLOM-0008RI-AO; Mon, 27 Apr 2026 08:48:50 -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 )\n id 1wHLNq-00086D-NN\n for qemu-devel@nongnu.org; Mon, 27 Apr 2026 08:48:26 -0400","from mail-wm1-x330.google.com ([2a00:1450:4864:20::330])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1wHLNk-0005g9-Gv\n for qemu-devel@nongnu.org; Mon, 27 Apr 2026 08:48:15 -0400","by mail-wm1-x330.google.com with SMTP id\n 5b1f17b1804b1-483487335c2so99993805e9.2\n for ; Mon, 27 Apr 2026 05:48:11 -0700 (PDT)","from lanath.. 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helo=mail-wm1-x330.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":"From: Eric Auger \n\nPass the value of the incoming register to\nhandle_cpreg_only_in_incoming_stream and check whether there is\na matching ToleranceOnlySrcTestValue tolerance.\n\nSigned-off-by: Eric Auger \nMessage-id: 20260420140552.104369-4-eric.auger@redhat.com\nSigned-off-by: Peter Maydell \nReviewed-by: Peter Maydell \n---\n target/arm/machine.c | 14 ++++++++++----\n 1 file changed, 10 insertions(+), 4 deletions(-)","diff":"diff --git a/target/arm/machine.c b/target/arm/machine.c\nindex b2bf129334..8dc766d322 100644\n--- a/target/arm/machine.c\n+++ b/target/arm/machine.c\n@@ -1079,12 +1079,15 @@ static void handle_cpreg_missing_in_incoming_stream(ARMCPU *cpu, uint64_t kvmidx\n * no cpreg mig tolerance is matched for this @kvmidx\n * Return true if the migration should eventually fail\n */\n-static bool handle_cpreg_only_in_incoming_stream(ARMCPU *cpu, uint64_t kvmidx)\n+static bool\n+handle_cpreg_only_in_incoming_stream(ARMCPU *cpu, uint64_t kvmidx, uint64_t value)\n {\n g_autofree gchar *name = print_register_name(kvmidx);\n \n if (arm_cpu_match_cpreg_mig_tolerance(cpu, kvmidx,\n- 0, 0, ToleranceNotOnBothEnds)) {\n+ 0, 0, ToleranceNotOnBothEnds) ||\n+ arm_cpu_match_cpreg_mig_tolerance(cpu, kvmidx,\n+ value, 0, ToleranceOnlySrcTestValue)) {\n trace_tolerate_cpreg_only_in_incoming_stream(name);\n return false;\n }\n@@ -1137,7 +1140,9 @@ static int cpu_post_load(void *opaque, int version_id)\n }\n if (cpu->cpreg_vmstate_indexes[v] < cpu->cpreg_indexes[i]) {\n fail = handle_cpreg_only_in_incoming_stream(cpu,\n- cpu->cpreg_vmstate_indexes[v++]);\n+ cpu->cpreg_vmstate_indexes[v],\n+ cpu->cpreg_vmstate_values[v]);\n+ v++;\n continue;\n }\n /* matching register, copy the value over */\n@@ -1160,7 +1165,8 @@ static int cpu_post_load(void *opaque, int version_id)\n */\n for ( ; v < cpu->cpreg_vmstate_array_len; v++) {\n fail = handle_cpreg_only_in_incoming_stream(cpu,\n- cpu->cpreg_vmstate_indexes[v]);\n+ cpu->cpreg_vmstate_indexes[v],\n+ cpu->cpreg_vmstate_values[v]);\n }\n if (fail) {\n return -1;\n","prefixes":["PULL","33/63"]}