From nobody Tue Oct 15 15:17:08 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1669203834; cv=none; d=zohomail.com; s=zohoarc; b=XkILu5Ogvd1oaWzeoIXKfpS/E9YBuZ5L0z6Oz0Z35KZ1B7W0NaJrsqdwSfVTZqs1iOUpXCnIzf1RhrBtm0XUaW8oC+VrDVr6vIOqIjPx61fw0ajMpTDluts17yDVpEPhYXLku1g+ZrYtEmiWZBqGwNDvl5zZ5WRq/UKsIN9ARbs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1669203834; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=Qg1AfiVQHMLY+W1I1RCph7j0ry0ub4rDQI+Zj7Ee75U=; b=hTQKsJF1/OoDky61Mss0w4LBPHv88isghXeL6C2J7qiE65UjUffNf6KTmdwLm3JlMztFmneeYQUVzfuK/3AzrLRXe6QIPdK47tv+awnERSfVUAUpkHuThoM+CK2GTrlD3u0NzE0/xXn9+Dj60o4/0Nw1tVQbPCmxXQ7x4lwkXdc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1669203834296435.6443119525246; Wed, 23 Nov 2022 03:43:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oxo9N-0002k5-Ep; Wed, 23 Nov 2022 06:42:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oxo9K-0002fD-32 for qemu-devel@nongnu.org; Wed, 23 Nov 2022 06:42:42 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oxo9H-00062j-7V for qemu-devel@nongnu.org; Wed, 23 Nov 2022 06:42:41 -0500 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-107-Yac0smRmO0eZnB8xuZNsIQ-1; Wed, 23 Nov 2022 06:42:35 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C4D391C05EA6; Wed, 23 Nov 2022 11:42:34 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6DF92C2C8C5; Wed, 23 Nov 2022 11:42:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1669203758; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Qg1AfiVQHMLY+W1I1RCph7j0ry0ub4rDQI+Zj7Ee75U=; b=d8iB4prF3LBtQIHAkk0fuYsWQaFrtw+otc7tQqGcyYKiOrptjjgnbv0DHT5Jvn4O/7rETj hP7YQvJ2Gi1w3qDmb9m2BvYId+HaMMmsly7bT0GYdNwNf+7I6j4Vb3d959x7rUcR5whJnS 7jdLtt1pcF+rAMwIKZ6JW82r7/xBcqA= X-MC-Unique: Yac0smRmO0eZnB8xuZNsIQ-1 From: Emanuele Giuseppe Esposito To: qemu-block@nongnu.org Cc: Kevin Wolf , Hanna Reitz , John Snow , Vladimir Sementsov-Ogievskiy , Eric Blake , Fam Zheng , Stefan Hajnoczi , "Denis V. Lunev" , Stefan Weil , Jeff Cody , Cleber Rosa , qemu-devel@nongnu.org, Emanuele Giuseppe Esposito Subject: [PATCH v5 12/15] block-coroutine-wrapper.py: default to main loop aiocontext if function does not have a BlockDriverState parameter Date: Wed, 23 Nov 2022 06:42:24 -0500 Message-Id: <20221123114227.85757-13-eesposit@redhat.com> In-Reply-To: <20221123114227.85757-1-eesposit@redhat.com> References: <20221123114227.85757-1-eesposit@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=eesposit@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1669203836035100004 Content-Type: text/plain; charset="utf-8" Right now, we take the first parameter of the function to get the BlockDriverState to pass to bdrv_poll_co(), that internally calls functions that figure in which aiocontext the coroutine should run. However, it is useless to pass a bs just to get its own AioContext, so instead pass it directly, and default to the main loop if no BlockDriverState is passed as parameter. Signed-off-by: Emanuele Giuseppe Esposito --- block/block-gen.h | 6 +++--- scripts/block-coroutine-wrapper.py | 14 +++++++------- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/block/block-gen.h b/block/block-gen.h index f80cf4897d..08d977f493 100644 --- a/block/block-gen.h +++ b/block/block-gen.h @@ -30,7 +30,7 @@ =20 /* Base structure for argument packing structures */ typedef struct BdrvPollCo { - BlockDriverState *bs; + AioContext *ctx; bool in_progress; int ret; Coroutine *co; /* Keep pointer here for debugging */ @@ -40,8 +40,8 @@ static inline int bdrv_poll_co(BdrvPollCo *s) { assert(!qemu_in_coroutine()); =20 - bdrv_coroutine_enter(s->bs, s->co); - BDRV_POLL_WHILE(s->bs, s->in_progress); + aio_co_enter(s->ctx, s->co); + AIO_WAIT_WHILE(s->ctx, s->in_progress); =20 return s->ret; } diff --git a/scripts/block-coroutine-wrapper.py b/scripts/block-coroutine-w= rapper.py index 7e8f2da84b..1d552cb734 100644 --- a/scripts/block-coroutine-wrapper.py +++ b/scripts/block-coroutine-wrapper.py @@ -78,14 +78,14 @@ def __init__(self, return_type: str, name: str, args: s= tr, =20 t =3D self.args[0].type if t =3D=3D 'BlockDriverState *': - bs =3D 'bs' + ctx =3D 'bdrv_get_aio_context(bs)' elif t =3D=3D 'BdrvChild *': - bs =3D 'child->bs' + ctx =3D 'bdrv_get_aio_context(child->bs)' elif t =3D=3D 'BlockBackend *': - bs =3D 'blk_bs(blk)' + ctx =3D 'bdrv_get_aio_context(blk_bs(blk))' else: - bs =3D 'NULL' - self.bs =3D bs + ctx =3D 'qemu_get_aio_context()' + self.ctx =3D ctx =20 def gen_list(self, format: str) -> str: return ', '.join(format.format_map(arg.__dict__) for arg in self.a= rgs) @@ -130,7 +130,7 @@ def create_g_c_w(func: FuncDecl) -> str: return {name}({ func.gen_list('{name}') }); }} else {{ {struct_name} s =3D {{ - .poll_state.bs =3D {func.bs}, + .poll_state.ctx =3D {func.ctx}, .poll_state.in_progress =3D true, =20 { func.gen_block(' .{name} =3D {name},') } @@ -151,7 +151,7 @@ def create_coroutine_only(func: FuncDecl) -> str: int {func.name}({ func.gen_list('{decl}') }) {{ {struct_name} s =3D {{ - .poll_state.bs =3D {func.bs}, + .poll_state.ctx =3D {func.ctx}, .poll_state.in_progress =3D true, =20 { func.gen_block(' .{name} =3D {name},') } --=20 2.31.1