From nobody Fri Dec 19 03:45:44 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BAA9C001DB for ; Mon, 14 Aug 2023 11:56:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230170AbjHNL4T (ORCPT ); Mon, 14 Aug 2023 07:56:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48894 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232952AbjHNL4O (ORCPT ); Mon, 14 Aug 2023 07:56:14 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CBF3F1718 for ; Mon, 14 Aug 2023 04:55:57 -0700 (PDT) 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 EF9C61F383; Mon, 14 Aug 2023 11:55:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1692014142; 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=jL1kZwcY6dMGheLY8VT1W4i0RrpIBAIOY7mmAx3IYPo=; b=uAHti5OULqy1iJ5qmMzTrzOF6pTrc5xqpfsWoBPDm1NJkWLKqcY0eF0MuZyco55vDqFy/3 04s0QtHEHSRP+hcqGnX8XGhcj/VrRuA2crNQfdR0/x89+A2KvGmvhUouUQqagQ0LzOYgs6 kuO68j+1j9veDlPvIVWFOpHC/4Zt0Tg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1692014142; 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=jL1kZwcY6dMGheLY8VT1W4i0RrpIBAIOY7mmAx3IYPo=; b=/BNv0d28eGiNeGRIzGncA5HIj+CcukrrsT4YlPvInlRECmfiNmi/JQX1Jspu0ikpcRa+g3 2552VMJ97kmHkoBg== 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 CA617138EE; Mon, 14 Aug 2023 11:55:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id ENERMD4W2mRnMAAAMHmgww (envelope-from ); Mon, 14 Aug 2023 11:55:42 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, Takashi Iwai , Alexander Viro Subject: [PATCH 01/25] iov_iter: Export import_ubuf() Date: Mon, 14 Aug 2023 13:54:59 +0200 Message-Id: <20230814115523.15279-2-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230814115523.15279-1-tiwai@suse.de> References: <20230814115523.15279-1-tiwai@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Export import_ubuf() to be used in sound subsystem for generic memory handling as Linus suggested. It's used for constructing an iov_iter of a single segment user-space copy for PCM data. Cc: Alexander Viro Link: https://lore.kernel.org/r/CAHk-=3Dwh-mUL6mp4chAc6E_UjwpPLyCPRCJK+iB4Z= MD2BqjwGHA@mail.gmail.com Signed-off-by: Takashi Iwai --- lib/iov_iter.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/iov_iter.c b/lib/iov_iter.c index e4dc809d1075..3743bbcbbb89 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1544,6 +1544,7 @@ int import_ubuf(int rw, void __user *buf, size_t len,= struct iov_iter *i) iov_iter_ubuf(i, rw, buf, len); return 0; } +EXPORT_SYMBOL_GPL(import_ubuf); =20 /** * iov_iter_restore() - Restore a &struct iov_iter to the same state as wh= en --=20 2.35.3