From patchwork Tue Apr 24 17:58:15 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Jackson X-Patchwork-Id: 10360671 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4829D60225 for ; Tue, 24 Apr 2018 18:08:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3773C283D9 for ; Tue, 24 Apr 2018 18:08:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 362C02879E; Tue, 24 Apr 2018 18:08:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 34FC828ECC for ; Tue, 24 Apr 2018 18:04:42 +0000 (UTC) Received: from localhost ([::1]:60098 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fB2Iz-0003Tk-CK for patchwork-qemu-devel@patchwork.kernel.org; Tue, 24 Apr 2018 14:04:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fB2DD-00079o-Cs for qemu-devel@nongnu.org; Tue, 24 Apr 2018 13:58:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fB2DC-0006w5-Fh for qemu-devel@nongnu.org; Tue, 24 Apr 2018 13:58:43 -0400 Received: from smtp03.citrix.com ([162.221.156.55]:9743) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fB2DC-0006on-56 for qemu-devel@nongnu.org; Tue, 24 Apr 2018 13:58:42 -0400 X-IronPort-AV: E=Sophos;i="5.49,324,1520899200"; d="scan'208";a="52610218" From: Ian Jackson To: Date: Tue, 24 Apr 2018 18:58:15 +0100 Message-ID: <1524592709-6553-3-git-send-email-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1524592709-6553-1-git-send-email-ian.jackson@eu.citrix.com> References: <1524592709-6553-1-git-send-email-ian.jackson@eu.citrix.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 162.221.156.55 Subject: [Qemu-devel] [PATCH 02/16] AccelClass: Introduce accel_setup_post X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Stefano Stabellini , Ian Jackson , Ross Lagerwall , Anthony PERARD , xen-devel@lists.xenproject.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This is called just before os_setup_post. Currently none of the accelerators provide this hook, but the Xen one is going to provide one in a moment. Signed-off-by: Ian Jackson Reviewed-by: Eduardo Habkost --- v7: New patch in this version of the series --- accel/accel.c | 9 +++++++++ include/sysemu/accel.h | 3 +++ vl.c | 1 + 3 files changed, 13 insertions(+) diff --git a/accel/accel.c b/accel/accel.c index 93e2434..9cfab11 100644 --- a/accel/accel.c +++ b/accel/accel.c @@ -126,6 +126,15 @@ void accel_register_compat_props(AccelState *accel) register_compat_props_array(class->global_props); } +void accel_setup_post(MachineState *ms) +{ + AccelState *accel = ms->accelerator; + AccelClass *acc = ACCEL_GET_CLASS(accel); + if (acc->setup_post) { + acc->setup_post(ms, accel); + } +} + static void register_accel_types(void) { type_register_static(&accel_type); diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h index 5a632ce..637358f 100644 --- a/include/sysemu/accel.h +++ b/include/sysemu/accel.h @@ -40,6 +40,7 @@ typedef struct AccelClass { const char *name; int (*available)(void); int (*init_machine)(MachineState *ms); + void (*setup_post)(MachineState *ms, AccelState *accel); bool *allowed; /* * Array of global properties that would be applied when specific @@ -68,5 +69,7 @@ extern unsigned long tcg_tb_size; void configure_accelerator(MachineState *ms); /* Register accelerator specific global properties */ void accel_register_compat_props(AccelState *accel); +/* Called just before os_setup_post (ie just before drop OS privs) */ +void accel_setup_post(MachineState *ms); #endif diff --git a/vl.c b/vl.c index fce1fd1..36c5bd4 100644 --- a/vl.c +++ b/vl.c @@ -4729,6 +4729,7 @@ int main(int argc, char **argv, char **envp) vm_start(); } + accel_setup_post(current_machine); os_setup_post(); main_loop();