From patchwork Tue Nov 21 09:49:49 2023 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: 13462686 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 32A69C5ACB3 for ; Tue, 21 Nov 2023 09:50:19 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.637628.993615 (Exim 4.92) (envelope-from ) id 1r5NOP-0000Zr-VL; Tue, 21 Nov 2023 09:50:05 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 637628.993615; Tue, 21 Nov 2023 09:50:05 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1r5NOP-0000ZI-RS; Tue, 21 Nov 2023 09:50:05 +0000 Received: by outflank-mailman (input) for mailman id 637628; Tue, 21 Nov 2023 09:50:04 +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 1r5NOO-00008u-Lv for xen-devel@lists.xenproject.org; Tue, 21 Nov 2023 09:50:04 +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 571c7c69-8853-11ee-98e1-6d05b1d4d9a1; Tue, 21 Nov 2023 10:50:03 +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 D6BE51F8A8; Tue, 21 Nov 2023 09:50:01 +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 B1271138E3; Tue, 21 Nov 2023 09:50:01 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6KwTKkl9XGVcNQAAMHmgww (envelope-from ); Tue, 21 Nov 2023 09:50:01 +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: 571c7c69-8853-11ee-98e1-6d05b1d4d9a1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1700560201; 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=3t0G5pmc2tLtGKnSz0jnViu11fvXLpv0iet8qXj51Qc=; b=ImnKRcdwceNKjdDVCKv+HrhuMRTPVTqJczF/AtYyDP3XK/aZDyn0FlYb7ChrOcf94ZKzeP tb5tdFC6UJqrHNieZjr9spJrp6QpLY87KQaoQTBz4G38P7xOdZygnyyAkEB5Hw+Dqaf3d8 T3Ew9bDLM0otCXSHIxk0V+Qk5OdxedU= From: Juergen Gross To: minios-devel@lists.xenproject.org, xen-devel@lists.xenproject.org Cc: samuel.thibault@ens-lyon.org, wl@xen.org, Juergen Gross , Jason Andryuk Subject: [PATCH v3 1/5] Mini-OS: make xenstore_buf externally visible Date: Tue, 21 Nov 2023 10:49:49 +0100 Message-Id: <20231121094953.22430-2-jgross@suse.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20231121094953.22430-1-jgross@suse.com> References: <20231121094953.22430-1-jgross@suse.com> MIME-Version: 1.0 Authentication-Results: smtp-out2.suse.de; none X-Spamd-Result: default: False [-0.60 / 50.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; BAYES_HAM(-0.30)[75.12%]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLY(-4.00)[]; BROKEN_CONTENT_TYPE(1.50)[]; RCPT_COUNT_FIVE(0.00)[6]; NEURAL_HAM_LONG(-1.00)[-1.000]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MID_CONTAINS_FROM(1.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_CC(0.00)[ens-lyon.org,xen.org,suse.com,gmail.com]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] For support of the 9pfs frontend in Xenstore-stubdom xenstore_buf needs to be externally visible. Signed-off-by: Juergen Gross Reviewed-by: Jason Andryuk --- include/xenbus.h | 2 ++ xenbus.c | 2 +- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/xenbus.h b/include/xenbus.h index c0fc0ac5..542ee456 100644 --- a/include/xenbus.h +++ b/include/xenbus.h @@ -8,12 +8,14 @@ typedef unsigned long xenbus_transaction_t; #ifdef CONFIG_XENBUS extern uint32_t xenbus_evtchn; +extern struct xenstore_domain_interface *xenstore_buf; /* Initialize the XenBus system. */ void init_xenbus(void); void get_xenbus(void *p); #else #define xenbus_evtchn ~0 +#define xenstore_buf NULL static inline void init_xenbus(void) { diff --git a/xenbus.c b/xenbus.c index 923e8181..8bfd5bd4 100644 --- a/xenbus.c +++ b/xenbus.c @@ -44,7 +44,7 @@ #define DEBUG(_f, _a...) ((void)0) #endif -static struct xenstore_domain_interface *xenstore_buf; +struct xenstore_domain_interface *xenstore_buf; static DECLARE_WAIT_QUEUE_HEAD(xb_waitq); DECLARE_WAIT_QUEUE_HEAD(xenbus_watch_queue); static __DECLARE_SEMAPHORE_GENERIC(xb_write_sem, 1);