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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1706901094; h=from:from:reply-to: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=s4kRO8p6DEl/drZgDKdPAZmCp+mm2aFo3U2Xjp+yQZ8=; b=HLZB66Mwr7Jrj4ZCT6Ea7tMyJFwtWRW+FtpVUhFCb2MzvCzB1oOgsatUF2yX3DbdHDwK+9 3CL+/5M9sbXMOFBg== From: Fabiano Rosas To: qemu-devel@nongnu.org Cc: Peter Xu , Avihai Horon Subject: [PATCH 1/5] migration/multifd: Join the TLS thread Date: Fri, 2 Feb 2024 16:11:24 -0300 Message-Id: <20240202191128.1901-2-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240202191128.1901-1-farosas@suse.de> References: <20240202191128.1901-1-farosas@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Authentication-Results: smtp-out2.suse.de; none X-Spamd-Result: default: False [4.90 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; 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charset="utf-8" We're currently leaking the resources of the TLS thread by not joining it and also overwriting the p->thread pointer altogether. Signed-off-by: Fabiano Rosas Reviewed-by: Peter Xu --- migration/multifd.c | 8 +++++++- migration/multifd.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/migration/multifd.c b/migration/multifd.c index 25cbc6dc6b..b557d046a9 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -524,6 +524,10 @@ void multifd_save_cleanup(void) for (i =3D 0; i < migrate_multifd_channels(); i++) { MultiFDSendParams *p =3D &multifd_send_state->params[i]; =20 + if (p->tls_thread_created) { + qemu_thread_join(&p->tls_thread); + } + if (p->running) { qemu_thread_join(&p->thread); } @@ -827,7 +831,9 @@ static bool multifd_tls_channel_connect(MultiFDSendPara= ms *p, trace_multifd_tls_outgoing_handshake_start(ioc, tioc, hostname); qio_channel_set_name(QIO_CHANNEL(tioc), "multifd-tls-outgoing"); p->c =3D QIO_CHANNEL(tioc); - qemu_thread_create(&p->thread, "multifd-tls-handshake-worker", + + p->tls_thread_created =3D true; + qemu_thread_create(&p->tls_thread, "multifd-tls-handshake-worker", multifd_tls_handshake_thread, p, QEMU_THREAD_JOINABLE); return true; diff --git a/migration/multifd.h b/migration/multifd.h index 35d11f103c..5a69ef40e2 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -73,6 +73,8 @@ typedef struct { char *name; /* channel thread id */ QemuThread thread; + QemuThread tls_thread; + bool tls_thread_created; /* communication channel */ QIOChannel *c; /* is the yank function registered */ --=20 2.35.3