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GET /api/patches/819237/?format=api
{ "id": 819237, "url": "http://patchwork.ozlabs.org/api/patches/819237/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927170027.8539-4-david@redhat.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "<20170927170027.8539-4-david@redhat.com>", "list_archive_url": null, "date": "2017-09-27T17:00:27", "name": "[RFC,3/3] s390x/tcg: make STFL store into the lowcore", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7f82e5124e3482ee7a2ad216e7a625945680eba1", "submitter": { "id": 70402, "url": "http://patchwork.ozlabs.org/api/people/70402/?format=api", "name": "David Hildenbrand", "email": "david@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170927170027.8539-4-david@redhat.com/mbox/", "series": [ { "id": 5406, "url": "http://patchwork.ozlabs.org/api/series/5406/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=5406", "date": "2017-09-27T17:00:24", "name": "s390x/tcg: LAP support using immediate TLB invalidation", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/5406/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/819237/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/819237/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@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ext-mx10.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com", "ext-mx10.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=david@redhat.com" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3y2PKC0TKLz9tXb\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 28 Sep 2017 03:03:11 +1000 (AEST)", "from localhost ([::1]:55626 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dxFjp-00088y-45\n\tfor incoming@patchwork.ozlabs.org; Wed, 27 Sep 2017 13:03:09 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:60125)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <david@redhat.com>) id 1dxFha-0006fM-J7\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 13:00:51 -0400", "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <david@redhat.com>) id 1dxFhV-00067c-26\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 13:00:50 -0400", "from mx1.redhat.com ([209.132.183.28]:51260)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <david@redhat.com>) id 1dxFhU-000675-SW\n\tfor qemu-devel@nongnu.org; Wed, 27 Sep 2017 13:00:44 -0400", "from smtp.corp.redhat.com\n\t(int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id B6E301766DA;\n\tWed, 27 Sep 2017 17:00:43 +0000 (UTC)", "from t460s.redhat.com (ovpn-117-241.ams2.redhat.com\n\t[10.36.117.241])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id D63BAE819E;\n\tWed, 27 Sep 2017 17:00:41 +0000 (UTC)" ], "DMARC-Filter": "OpenDMARC Filter v1.3.2 mx1.redhat.com B6E301766DA", "From": "David Hildenbrand <david@redhat.com>", "To": "qemu-devel@nongnu.org", "Date": "Wed, 27 Sep 2017 19:00:27 +0200", "Message-Id": "<20170927170027.8539-4-david@redhat.com>", "In-Reply-To": "<20170927170027.8539-1-david@redhat.com>", "References": "<20170927170027.8539-1-david@redhat.com>", "X-Scanned-By": "MIMEDefang 2.79 on 10.5.11.13", "X-Greylist": "Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.39]);\n\tWed, 27 Sep 2017 17:00:43 +0000 (UTC)", "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]", "X-Received-From": "209.132.183.28", "Subject": "[Qemu-devel] [PATCH RFC 3/3] s390x/tcg: make STFL store into the\n\tlowcore", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://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\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "thuth@redhat.com, David Hildenbrand <david@redhat.com>, cohuck@redhat.com,\n\tRichard Henderson <richard.henderson@linaro.org>,\n\tAlexander Graf <agraf@suse.de>,\n\tChristian Borntraeger <borntraeger@de.ibm.com>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Using virtual memory access is wrong and will soon include low-address\nprotection checks, which is to be bypassed for STFL.\n\nThis was originally part of a bigger STFL(E) refactoring.\n\nSigned-off-by: David Hildenbrand <david@redhat.com>\n---\n target/s390x/helper.h | 2 +-\n target/s390x/misc_helper.c | 7 ++++++-\n 2 files changed, 7 insertions(+), 2 deletions(-)", "diff": "diff --git a/target/s390x/helper.h b/target/s390x/helper.h\nindex 75ba04fc15..52c2963baa 100644\n--- a/target/s390x/helper.h\n+++ b/target/s390x/helper.h\n@@ -104,7 +104,6 @@ DEF_HELPER_FLAGS_5(calc_cc, TCG_CALL_NO_RWG_SE, i32, env, i32, i64, i64, i64)\n DEF_HELPER_FLAGS_2(sfpc, TCG_CALL_NO_RWG, void, env, i64)\n DEF_HELPER_FLAGS_2(sfas, TCG_CALL_NO_WG, void, env, i64)\n DEF_HELPER_FLAGS_1(popcnt, TCG_CALL_NO_RWG_SE, i64, i64)\n-DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env)\n DEF_HELPER_2(stfle, i32, env, i64)\n DEF_HELPER_FLAGS_2(lpq, TCG_CALL_NO_WG, i64, env, i64)\n DEF_HELPER_FLAGS_4(stpq, TCG_CALL_NO_WG, void, env, i64, i64, i64)\n@@ -153,6 +152,7 @@ DEF_HELPER_FLAGS_3(sturg, TCG_CALL_NO_WG, void, env, i64, i64)\n DEF_HELPER_1(per_check_exception, void, env)\n DEF_HELPER_FLAGS_3(per_branch, TCG_CALL_NO_RWG, void, env, i64, i64)\n DEF_HELPER_FLAGS_2(per_ifetch, TCG_CALL_NO_RWG, void, env, i64)\n+DEF_HELPER_FLAGS_1(stfl, TCG_CALL_NO_RWG, void, env)\n \n DEF_HELPER_2(xsch, void, env, i64)\n DEF_HELPER_2(csch, void, env, i64)\ndiff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c\nindex 293fc8428a..0b93381188 100644\n--- a/target/s390x/misc_helper.c\n+++ b/target/s390x/misc_helper.c\n@@ -541,13 +541,18 @@ static unsigned do_stfle(CPUS390XState *env, uint64_t words[MAX_STFL_WORDS])\n return max_bit / 64;\n }\n \n+#ifndef CONFIG_USER_ONLY\n void HELPER(stfl)(CPUS390XState *env)\n {\n uint64_t words[MAX_STFL_WORDS];\n+ LowCore *lowcore;\n \n+ lowcore = cpu_map_lowcore(env);\n do_stfle(env, words);\n- cpu_stl_data(env, 200, words[0] >> 32);\n+ lowcore->stfl_fac_list = cpu_to_be32(words[0] >> 32);\n+ cpu_unmap_lowcore(lowcore);\n }\n+#endif\n \n uint32_t HELPER(stfle)(CPUS390XState *env, uint64_t addr)\n {\n", "prefixes": [ "RFC", "3/3" ] }