From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A738ACEE341 for ; Tue, 18 Nov 2025 17:10:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vLP7K-0000hJ-7M; Tue, 18 Nov 2025 12:03:46 -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 1vLP7H-0000Yg-9E for qemu-devel@nongnu.org; Tue, 18 Nov 2025 12:03:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vLP7F-0004pv-U4 for qemu-devel@nongnu.org; Tue, 18 Nov 2025 12:03:43 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1763485421; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Kd4Fq32hdGASnjcpIe+vXiX42HVXhbhgpWuo95KGk4I=; b=UF14tHeegyX2t/7hVC+eopzHvu97pOXWuD3VtjJek4dFVDy/YzKc3RItvU6mmNn4iNvhWu 80yeEEvhJzl9xXBLmKtWwQaBp3h4nUzZOor0AKi3boKzo646wSwCS2a5VK93G+E4p2s1dG QsA/HE7lrhwwbEYpB99HTlxYbAJjGbQ= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-414-M4CNT9JePFuKbrrP_MinbA-1; Tue, 18 Nov 2025 12:03:37 -0500 X-MC-Unique: M4CNT9JePFuKbrrP_MinbA-1 X-Mimecast-MFC-AGG-ID: M4CNT9JePFuKbrrP_MinbA_1763485416 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 873B8180049F; Tue, 18 Nov 2025 17:03:36 +0000 (UTC) Received: from merkur.fritz.box (unknown [10.44.32.26]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id CA270300ABAF; Tue, 18 Nov 2025 17:03:34 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Cc: kwolf@redhat.com, richard.henderson@linaro.org, qemu-devel@nongnu.org Subject: [PULL 15/19] =?UTF-8?q?blkreplay:=20Run=20BH=20in=20coroutine?= =?UTF-8?q?=E2=80=99s=20AioContext?= Date: Tue, 18 Nov 2025 18:02:52 +0100 Message-ID: <20251118170256.272087-16-kwolf@redhat.com> In-Reply-To: <20251118170256.272087-1-kwolf@redhat.com> References: <20251118170256.272087-1-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Received-SPF: pass client-ip=170.10.133.124; envelope-from=kwolf@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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=unavailable 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Hanna Czenczek While it does not matter in which AioContext we run aio_co_wake() to continue an exactly-once-yielding coroutine, making this commit not strictly necessary, there is also no reason why the BH should run in any context but the request’s AioContext. Signed-off-by: Hanna Czenczek Message-ID: <20251110154854.151484-16-hreitz@redhat.com> Reviewed-by: Kevin Wolf Signed-off-by: Kevin Wolf --- block/blkreplay.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/block/blkreplay.c b/block/blkreplay.c index 16d8b12dd9..8a6845425e 100644 --- a/block/blkreplay.c +++ b/block/blkreplay.c @@ -63,9 +63,10 @@ static void block_request_create(uint64_t reqid, BlockDriverState *bs, Coroutine *co) { Request *req = g_new(Request, 1); + AioContext *ctx = qemu_coroutine_get_aio_context(co); *req = (Request) { .co = co, - .bh = aio_bh_new(bdrv_get_aio_context(bs), blkreplay_bh_cb, req), + .bh = aio_bh_new(ctx, blkreplay_bh_cb, req), }; replay_block_event(req->bh, reqid); } -- 2.51.1