From patchwork Tue Dec 13 16:00:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 13072191 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 C271CC4332F for ; Tue, 13 Dec 2022 16:05:27 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.460787.718847 (Exim 4.92) (envelope-from ) id 1p57mP-0008DK-N0; Tue, 13 Dec 2022 16:05:17 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 460787.718847; Tue, 13 Dec 2022 16:05:17 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1p57mP-0008Ci-Gq; Tue, 13 Dec 2022 16:05:17 +0000 Received: by outflank-mailman (input) for mailman id 460787; Tue, 13 Dec 2022 16:05:16 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1p57jA-0001dt-J0 for xen-devel@lists.xenproject.org; Tue, 13 Dec 2022 16:01:56 +0000 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 76f95091-7aff-11ed-91b6-6bf2151ebd3b; Tue, 13 Dec 2022 17:01:55 +0100 (CET) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id DF5AE1FDAE; Tue, 13 Dec 2022 16:01:54 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id ABEB9138EE; Tue, 13 Dec 2022 16:01:54 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Ns2hKPKhmGMAKgAAMHmgww (envelope-from ); Tue, 13 Dec 2022 16:01:54 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 76f95091-7aff-11ed-91b6-6bf2151ebd3b DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1670947314; 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=G0PY04YTlNHfpxJX5B2TwZQKHcJ1RMK8FOhlgYczIF8=; b=FHuvMg/GdBCUTgScDY29glnNT7ai2GLFgXFlm3LLu6IJXwN10trVg0Ymh5UmLkQx9Cgqqe ENaqd4+HPcO9vgZEgBO1NtGHFizNQeAbAGv5VrX2pP8VfZLCULduZWYiQEX6SYmpZU4U71 QhRQTD3vOrU4yLkC4DmjiCe3ZuNaTe0= From: Juergen Gross To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Wei Liu , Julien Grall , Anthony PERARD , Julien Grall Subject: [PATCH v2 12/19] tools/xenstore: replace literal domid 0 with dom0_domid Date: Tue, 13 Dec 2022 17:00:38 +0100 Message-Id: <20221213160045.28170-13-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20221213160045.28170-1-jgross@suse.com> References: <20221213160045.28170-1-jgross@suse.com> MIME-Version: 1.0 There are some places left where dom0 is associated with domid 0. Use dom0_domid instead. Signed-off-by: Juergen Gross Reviewed-by: Julien Grall --- tools/xenstore/xenstored_core.c | 5 +++-- tools/xenstore/xenstored_domain.c | 8 ++++---- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/tools/xenstore/xenstored_core.c b/tools/xenstore/xenstored_core.c index 61569cecbb..6c9d22b8a2 100644 --- a/tools/xenstore/xenstored_core.c +++ b/tools/xenstore/xenstored_core.c @@ -2311,9 +2311,10 @@ static void accept_connection(int sock) return; conn = new_connection(&socket_funcs); - if (conn) + if (conn) { conn->fd = fd; - else + conn->id = dom0_domid; + } else close(fd); } #endif diff --git a/tools/xenstore/xenstored_domain.c b/tools/xenstore/xenstored_domain.c index 1ae79b5b54..1e9d7545b7 100644 --- a/tools/xenstore/xenstored_domain.c +++ b/tools/xenstore/xenstored_domain.c @@ -324,7 +324,7 @@ static int destroy_domain(void *_domain) if (domain->interface) { /* Domain 0 was mapped by dom0_init, so it must be unmapped using munmap() and not the grant unmap call. */ - if (domain->domid == 0) + if (domain->domid == dom0_domid) unmap_xenbus(domain->interface); else unmap_interface(domain->interface); @@ -408,7 +408,7 @@ void handle_event(void) static bool domid_is_unprivileged(unsigned int domid) { - return domid != 0 && domid != priv_domid; + return domid != dom0_domid && domid != priv_domid; } bool domain_is_unprivileged(struct connection *conn) @@ -796,7 +796,7 @@ static struct domain *onearg_domain(struct connection *conn, return ERR_PTR(-EINVAL); domid = atoi(domid_str); - if (!domid) + if (domid == dom0_domid) return ERR_PTR(-EINVAL); return find_connected_domain(domid); @@ -1002,7 +1002,7 @@ static int chk_domain_generation(unsigned int domid, uint64_t gen) { struct domain *d; - if (!xc_handle && domid == 0) + if (!xc_handle && domid == dom0_domid) return 1; d = find_domain_struct(domid);