From nobody Thu Mar 28 19:47:02 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=fail(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1593518697; cv=none; d=zohomail.com; s=zohoarc; b=j0TJs3ZbI5XnLa0VYWKF/c1mE8IEmbcqWWcMAHDNboDAiJyq3fRSZLAhK9bgs24MIoMaGrlIdELOJASYiO+pajuwK7XCetymE9MQGVcvY0xaJMPvjolFnysTxDYwTJJ6D4njmUBK7CZjJS8VWGXItj3rm3i4dkYpLYiuDidravY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1593518697; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=WcHxYOTEXYMBE1UenLwKb9De2OfT/g1FSI9QFwULXIs=; b=PacRSPZ5l0Dve1vQW2x3dUXbbHrdWFBYO9P5gipH1DR9JAfyZvVzdy84oObvyrIIupN+Fj2ncd5Ty7dHsEVD/jmcnqEQ24xdNZJZxDJu860+JGIiJWPOpLZ9cfM0nni1vokPqS4Ys0K1ZLVttohSSypsaXWs7MJAuwAc9Zs1Zp0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 159351869728445.46569920338777; Tue, 30 Jun 2020 05:04:57 -0700 (PDT) Received: from localhost ([::1]:49912 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqF0P-0001S7-OX for importer@patchew.org; Tue, 30 Jun 2020 08:04:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34732) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqEzc-00012K-Ek for qemu-devel@nongnu.org; Tue, 30 Jun 2020 08:04:04 -0400 Received: from mail-lf1-x144.google.com ([2a00:1450:4864:20::144]:35637) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jqEza-0007nN-3J for qemu-devel@nongnu.org; Tue, 30 Jun 2020 08:04:03 -0400 Received: by mail-lf1-x144.google.com with SMTP id t74so11199990lff.2 for ; Tue, 30 Jun 2020 05:04:01 -0700 (PDT) Received: from localhost.localdomain (193-239-39-51.ksi-system.net. [193.239.39.51]) by smtp.gmail.com with ESMTPSA id r15sm659157ljd.130.2020.06.30.05.03.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2020 05:03:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WcHxYOTEXYMBE1UenLwKb9De2OfT/g1FSI9QFwULXIs=; b=ZH+Bj5y+xl8ezkrPf0sQw2Qo18Mj8yffYdzC1v34hoygx2RYegQkIss+qC0v6aYvTM ++Ojitxfwe5/WTorC9H8je93+VFmTZ605Lm/MDlMVL1aQ+3sS0pJVFMkL7l5DzcH3Hjs EXZOGX6MPq10oagCtJCHFgIQkTXZ8nZaHRnhFikhqzcCQDGn26RV8Rsdm+SbgoLSqszJ W0j/7Y9/XAMXJIf1mbhLO9xv2z/YscdJPNkcAhxZb4C2NiCBmRRCRmYSYGFsFrdSRoia YETMzNyNLqs0gmNyB/7eUV2t1AQgwNqg7lt30QrYnShDjm/8utRntAS6BQuvJY2p19oC uZpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=WcHxYOTEXYMBE1UenLwKb9De2OfT/g1FSI9QFwULXIs=; b=pKMj5odyVU9P01wQqKt1Lx/NKPrcZbAqBT8F93b1ZPKU1n/aKPbnsp6Im67Jp8A6e4 QdiYbvo3G2Xj/85IE8iyPuOkg3o/uPuSsFkpRLYpPiq3gPLwYwWZRbYRnd7mI0CVCOuA 4zP+OznCqQLZFacWkxavR7joV6KyuBxOrUZiV2TwJRekgzaNGe1oZ25D5PDK4401fevX 2KPanxQSGozD89ursOB/5kaI4ZtafoUachcHXi00c6+48KoVUjAIZwUDKz/iI67+pFQF ev+OnKXR8eo/4BVC8dDkTe3BRsbODrIZpI0LxkMhgTPk68Mn+zwHDKO+lfNIfceTZBl6 NMeg== X-Gm-Message-State: AOAM530MP+VPNOU++awCpYP3+csC/s3mAnozaGL4Gds/NITmWnKx466/ fjiJEKb6etdQkgJYgtPXLJswvrSOBufJnw== X-Google-Smtp-Source: ABdhPJyBiiILsXWYj0/1ya7rrkzalyubnAH7nhHntpXR53tY2n47DmqD4wV/EHregQQ00I/yRnfaUg== X-Received: by 2002:ac2:54b9:: with SMTP id w25mr11830662lfk.127.1593518638736; Tue, 30 Jun 2020 05:03:58 -0700 (PDT) From: Szymon Lukasz To: qemu-devel@nongnu.org Subject: [PATCH] Revert "chardev: fix backend events regression with mux chardev" Date: Tue, 30 Jun 2020 14:03:37 +0200 Message-Id: <20200630120337.608326-1-noh4hss@gmail.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::144; envelope-from=noh4hss@gmail.com; helo=mail-lf1-x144.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: pbonzini@redhat.com, Szymon Lukasz , marcandre.lureau@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" This reverts commit d09c4a47874f30820b08c39ad39bcca9b8cde084. Seems like the problem described in the above commit is also fixed by eeaa6715050. Basically, the current code has the following invariant: (d->focus =3D=3D -1 && chr->be =3D=3D NULL) || (d->focus >=3D 0 && chr->be = =3D=3D d->backends[d->focus]) So there's no need to add the code for sending events to the focused frontend because qemu_chr_be_event() will do that for us. Signed-off-by: Szymon Lukasz --- chardev/char-mux.c | 10 ---------- chardev/char.c | 18 ++++++------------ include/chardev/char.h | 1 - 3 files changed, 6 insertions(+), 23 deletions(-) diff --git a/chardev/char-mux.c b/chardev/char-mux.c index 46c44af67c..30196d6e91 100644 --- a/chardev/char-mux.c +++ b/chardev/char-mux.c @@ -126,15 +126,6 @@ static void mux_chr_send_event(MuxChardev *d, int mux_= nr, QEMUChrEvent event) } } =20 -static void mux_chr_be_event(Chardev *chr, QEMUChrEvent event) -{ - MuxChardev *d =3D MUX_CHARDEV(chr); - - if (d->focus !=3D -1) { - mux_chr_send_event(d, d->focus, event); - } -} - static int mux_proc_byte(Chardev *chr, MuxChardev *d, int ch) { if (d->term_got_escape) { @@ -382,7 +373,6 @@ static void char_mux_class_init(ObjectClass *oc, void *= data) cc->chr_write =3D mux_chr_write; cc->chr_accept_input =3D mux_chr_accept_input; cc->chr_add_watch =3D mux_chr_add_watch; - cc->chr_be_event =3D mux_chr_be_event; cc->chr_machine_done =3D open_muxes; cc->chr_update_read_handler =3D mux_chr_update_read_handlers; } diff --git a/chardev/char.c b/chardev/char.c index e3051295ac..1041bcc368 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -50,19 +50,10 @@ static Object *get_chardevs_root(void) return container_get(object_get_root(), "/chardevs"); } =20 -static void chr_be_event(Chardev *s, QEMUChrEvent event) +void qemu_chr_be_event(Chardev *s, QEMUChrEvent event) { CharBackend *be =3D s->be; =20 - if (!be || !be->chr_event) { - return; - } - - be->chr_event(be->opaque, event); -} - -void qemu_chr_be_event(Chardev *s, QEMUChrEvent event) -{ /* Keep track if the char device is open */ switch (event) { case CHR_EVENT_OPENED: @@ -78,7 +69,11 @@ void qemu_chr_be_event(Chardev *s, QEMUChrEvent event) break; } =20 - CHARDEV_GET_CLASS(s)->chr_be_event(s, event); + if (!be || !be->chr_event) { + return; + } + + be->chr_event(be->opaque, event); } =20 /* Not reporting errors from writing to logfile, as logs are @@ -276,7 +271,6 @@ static void char_class_init(ObjectClass *oc, void *data) ChardevClass *cc =3D CHARDEV_CLASS(oc); =20 cc->chr_write =3D null_chr_write; - cc->chr_be_event =3D chr_be_event; } =20 static void char_finalize(Object *obj) diff --git a/include/chardev/char.h b/include/chardev/char.h index 00589a6025..d77341605f 100644 --- a/include/chardev/char.h +++ b/include/chardev/char.h @@ -273,7 +273,6 @@ typedef struct ChardevClass { void (*chr_accept_input)(Chardev *chr); void (*chr_set_echo)(Chardev *chr, bool echo); void (*chr_set_fe_open)(Chardev *chr, int fe_open); - void (*chr_be_event)(Chardev *s, QEMUChrEvent event); /* Return 0 if succeeded, 1 if failed */ int (*chr_machine_done)(Chardev *chr); } ChardevClass; --=20 2.27.0