From patchwork Fri May 31 15:10:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michal Privoznik X-Patchwork-Id: 13681821 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.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 smtp.lore.kernel.org (Postfix) with ESMTPS id AC9F3C25B7E for ; Fri, 31 May 2024 15:12:07 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sD3uP-00007g-Uj; Fri, 31 May 2024 11:11:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sD3uJ-00005T-7S for qemu-devel@nongnu.org; Fri, 31 May 2024 11:11:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sD3uE-0005Ws-VU for qemu-devel@nongnu.org; Fri, 31 May 2024 11:11:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717168254; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eWFEZPJLxFkfdJj/hxUHX1WoKkd0uHs84B70Eu9I1Mg=; b=VuXUUxV4JW90Bg7uByrp5hL93UN89xtwsNjrVfbtFHp819ghlvFkz0qczU2qZy0nQua/14 jPUpYQ5WqBVo/jdBB+5aMgSuqjkW6/sxrDWHzmg7uivp3GVW2R+CHPiokZhQe5y2r5LBMY wxsu8HoK58Lt3Htf25FLRq+9xJgeAlw= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-563-oND1riytOx634X8Dy4lUMw-1; Fri, 31 May 2024 11:10:51 -0400 X-MC-Unique: oND1riytOx634X8Dy4lUMw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id A43EB101A52C for ; Fri, 31 May 2024 15:10:50 +0000 (UTC) Received: from maggie.brq.redhat.com (unknown [10.43.3.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id 500503C27 for ; Fri, 31 May 2024 15:10:50 +0000 (UTC) From: Michal Privoznik To: qemu-devel@nongnu.org Subject: [PATCH v3 2/4] osdep: Make qemu_madvise() return ENOSYS on unsupported OSes Date: Fri, 31 May 2024 17:10:45 +0200 Message-ID: <6d59250d75cf5c6411c50075102a750104d5de91.1717168113.git.mprivozn@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=mprivozn@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.085, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Not every OS is capable of madvise() or posix_madvise() even. In that case, errno should be set to ENOSYS as it reflects the cause better. Signed-off-by: Michal Privoznik Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: David Hildenbrand --- util/osdep.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/osdep.c b/util/osdep.c index 1345238a5c..4a8920ba93 100644 --- a/util/osdep.c +++ b/util/osdep.c @@ -71,7 +71,7 @@ int qemu_madvise(void *addr, size_t len, int advice) } return 0; #else - errno = EINVAL; + errno = ENOSYS; return -1; #endif }