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 X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 242F0C47088 for ; Wed, 26 May 2021 14:08:30 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A95D861026 for ; Wed, 26 May 2021 14:08:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A95D861026 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40206 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lluCy-0005fr-Mq for qemu-devel@archiver.kernel.org; Wed, 26 May 2021 10:08:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35166) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lluBL-00031d-Og for qemu-devel@nongnu.org; Wed, 26 May 2021 10:06:47 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:54273) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lluBG-0003pn-QW for qemu-devel@nongnu.org; Wed, 26 May 2021 10:06:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1622038002; 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=j+ByWNfBQl077NakT3CN6Nqd8I1j/6kexSaJYZ7FxVU=; b=C3a3kivPvvPAiXDEDIabnZ3F94oKk1SwFCAGayJ0lZ+GDNKM724T1WOmrgZXimidNYV49L SxZO4TGwQCGM3Hl3apJ6Ht39KtEXL0wRwDfDZcuy7y6E8K7ikgQUuX1cUL0v0wT0c+zLRm /n52xW4mxCFStFsr1U3XSJDnfXcYFqs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-307-MFVSBATsNGma12xY6HZJ-w-1; Wed, 26 May 2021 10:06:40 -0400 X-MC-Unique: MFVSBATsNGma12xY6HZJ-w-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 32C5690E643; Wed, 26 May 2021 14:06:39 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-84.ams2.redhat.com [10.36.112.84]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BD81B101E5AF; Wed, 26 May 2021 14:06:38 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 88E04180039F; Wed, 26 May 2021 16:06:27 +0200 (CEST) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 03/14] ps2: don't raise an interrupt if queue is full Date: Wed, 26 May 2021 16:06:16 +0200 Message-Id: <20210526140627.381857-4-kraxel@redhat.com> In-Reply-To: <20210526140627.381857-1-kraxel@redhat.com> References: <20210526140627.381857-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.371, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , "Michael S. Tsirkin" , =?UTF-8?q?Volker=20R=C3=BCmelin?= , Gerd Hoffmann , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Volker Rümelin ps2_queue() behaves differently than the very similar functions ps2_queue_2() to ps2_queue_4(). The first one calls update_irq() even if the queue is full, the others don't. Change ps2_queue() to be consistent with the others. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Volker Rümelin Message-Id: <20210525181441.27768-2-vr_qemu@t-online.de> Signed-off-by: Gerd Hoffmann --- hw/input/ps2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/input/ps2.c b/hw/input/ps2.c index 7a3fb2b9f639..7c7a158e3139 100644 --- a/hw/input/ps2.c +++ b/hw/input/ps2.c @@ -212,6 +212,10 @@ void ps2_raise_irq(PS2State *s) void ps2_queue(PS2State *s, int b) { + if (PS2_QUEUE_SIZE - s->queue.count < 1) { + return; + } + ps2_queue_noirq(s, b); s->update_irq(s->update_arg, 1); } -- 2.31.1