{"id":813341,"url":"http://patchwork.ozlabs.org/api/1.2/patches/813341/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/150529981533.10902.2199933103913891903.stgit@frigg.lan/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.2/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":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<150529981533.10902.2199933103913891903.stgit@frigg.lan>","list_archive_url":null,"date":"2017-09-13T10:50:15","name":"[v6,14/22] exec: Add function to synchronously flush TB on a stopped vCPU","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"ee95bf0e4f1994a39d9ac401ce74741cc39e227a","submitter":{"id":9099,"url":"http://patchwork.ozlabs.org/api/1.2/people/9099/?format=json","name":"Lluís Vilanova","email":"vilanova@ac.upc.edu"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/150529981533.10902.2199933103913891903.stgit@frigg.lan/mbox/","series":[{"id":2857,"url":"http://patchwork.ozlabs.org/api/1.2/series/2857/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2857","date":"2017-09-13T09:53:43","name":"instrument: Add basic event instrumentation","version":6,"mbox":"http://patchwork.ozlabs.org/series/2857/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/813341/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/813341/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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=)","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 3xsdkM5qrgz9s78\n\tfor ;\n\tWed, 13 Sep 2017 20:51:07 +1000 (AEST)","from localhost ([::1]:41512 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t)\n\tid 1ds5G5-0007LO-Tr\n\tfor incoming@patchwork.ozlabs.org; Wed, 13 Sep 2017 06:51:05 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:36213)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1ds5FY-0007Jm-4a\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 06:50:33 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from ) id 1ds5FS-0003nT-9B\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 06:50:32 -0400","from roura.ac.upc.edu ([147.83.33.10]:56297 helo=roura.ac.upc.es)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from ) id 1ds5FR-0003mI-UM\n\tfor qemu-devel@nongnu.org; Wed, 13 Sep 2017 06:50:26 -0400","from correu-2.ac.upc.es (correu-2.ac.upc.es [147.83.30.92])\n\tby roura.ac.upc.es (8.13.8/8.13.8) with ESMTP id v8DAoMdM009339;\n\tWed, 13 Sep 2017 12:50:22 +0200","from localhost (unknown [132.68.137.204])\n\tby correu-2.ac.upc.es (Postfix) with ESMTPSA id 88E6773F;\n\tWed, 13 Sep 2017 12:50:16 +0200 (CEST)"],"From":"=?utf-8?b?TGx1w61z?= Vilanova ","To":"qemu-devel@nongnu.org","Date":"Wed, 13 Sep 2017 13:50:15 +0300","Message-Id":"<150529981533.10902.2199933103913891903.stgit@frigg.lan>","X-Mailer":"git-send-email 2.14.1","In-Reply-To":"<150529642278.10902.18234057937634437857.stgit@frigg.lan>","References":"<150529642278.10902.18234057937634437857.stgit@frigg.lan>","User-Agent":"StGit/0.18","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"quoted-printable","X-MIME-Autoconverted":"from 8bit to quoted-printable by roura.ac.upc.es id\n\tv8DAoMdM009339","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.6.x [fuzzy]","X-Received-From":"147.83.33.10","Subject":"[Qemu-devel] [PATCH v6 14/22] exec: Add function to synchronously\n\tflush TB on a stopped vCPU","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"Peter Crosthwaite ,\n\tMarkus Armbruster ,\n\t\"Emilio G. Cota\" , \n\tStefan Hajnoczi ,\n\tPaolo Bonzini , Richard Henderson ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t"},"content":"Signed-off-by: Lluís Vilanova \n---\n accel/stubs/tcg-stub.c | 3 +++\n accel/tcg/translate-all.c | 7 +++++++\n include/exec/exec-all.h | 1 +\n 3 files changed, 11 insertions(+)","diff":"diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c\nindex 5dd480b1a2..5226c4a8a4 100644\n--- a/accel/stubs/tcg-stub.c\n+++ b/accel/stubs/tcg-stub.c\n@@ -20,3 +20,6 @@\n void tb_flush(CPUState *cpu)\n {\n }\n+void tb_flush_sync(CPUState *cpu)\n+{\n+}\ndiff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c\nindex 2d1ed06065..a334ac4ccb 100644\n--- a/accel/tcg/translate-all.c\n+++ b/accel/tcg/translate-all.c\n@@ -929,6 +929,13 @@ done:\n tb_unlock();\n }\n \n+void tb_flush_sync(CPUState *cpu)\n+{\n+ unsigned tb_flush_count = atomic_mb_read(&tcg_ctx.tb_ctx.tb_flush_count);\n+ assert(cpu == current_cpu);\n+ do_tb_flush(cpu, RUN_ON_CPU_HOST_INT(tb_flush_count));\n+}\n+\n void tb_flush(CPUState *cpu)\n {\n if (tcg_enabled()) {\ndiff --git a/include/exec/exec-all.h b/include/exec/exec-all.h\nindex 673fc066d0..3f38186a5e 100644\n--- a/include/exec/exec-all.h\n+++ b/include/exec/exec-all.h\n@@ -358,6 +358,7 @@ struct TranslationBlock {\n \n void tb_free(TranslationBlock *tb);\n void tb_flush(CPUState *cpu);\n+void tb_flush_sync(CPUState *cpu);\n void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);\n TranslationBlock *tb_htable_lookup(CPUState *cpu, target_ulong pc,\n target_ulong cs_base, uint32_t flags);\n","prefixes":["v6","14/22"]}