From patchwork Sat Dec 21 09:10:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 852786 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5D601F2C48 for ; Sat, 21 Dec 2024 09:11:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734772297; cv=none; b=NjcInJrAtajGhKiTVGr6DQ5GJkBEQF08WeBYQlJeuTED+nFK1mCl9I/hjy2y/rnQIVaEOrrdmzwEv/jLCgNyvGli4plB5D4qXEySWwdkxXW0NdQuP7Sk8Nn2r9q5mW4A/pGh6Gh5p9w6zHxZLO8/p1c0eYWrGNh/8BZrc/WX+wo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734772297; c=relaxed/simple; bh=hzp1ie+wDuon/4DJgKw5g8w6X6lFOVe2M3urTd/ukOk=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=b+OTeDl9PB93esDxWJRb1E++WgJZ6jqdfDGCOlIccyR63RNzDlbCve/CDMacR8EEPFFG03I47kEAtc8UAtd0psL/HH7SkkXvNJzWYLNgkxg70wz0YEu8tqOXov2c7TE8Ipx1W7dg/5wfB7XElXJl7yLkxpGWkhNOOWczHskv86U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Zj46DLaq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Zj46DLaq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB006C4CEDD for ; Sat, 21 Dec 2024 09:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1734772296; bh=hzp1ie+wDuon/4DJgKw5g8w6X6lFOVe2M3urTd/ukOk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Zj46DLaqO+tsyB/yLtciLFmAeh0B8I38tRKncHTXwUNzxoQyajpkpSCZENfcKRuOD 5fYTGpjgsdIx22mw8kRY9uAhRKYpSMIC/NWhOlj2ku75XKgMvkvU+pILiVKEnyOT8a R+1vzgOX7F7SPnxzOspLR3KrUKqHK9MUhR103G/6xmStF6UeeuleXa22AWRUOuOild 9QUVk/RpAuLr/Z+A3fGdsZe6fo6ReZ9wcxU2TqceRL5+Zkd6z+UHWBuHKYg+v2dSB9 XSlRfARhfZm7V+HBDiFSzpU7iB5iywjoe1WUZTlzSnj4xX5PqvwcKGoLX0gVIQbqBD XzYNsOzNRrjoQ== From: Eric Biggers To: linux-crypto@vger.kernel.org Subject: [PATCH 28/29] crypto: scatterwalk - remove obsolete functions Date: Sat, 21 Dec 2024 01:10:55 -0800 Message-ID: <20241221091056.282098-29-ebiggers@kernel.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241221091056.282098-1-ebiggers@kernel.org> References: <20241221091056.282098-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Eric Biggers Remove various functions that are no longer used. Signed-off-by: Eric Biggers --- crypto/scatterwalk.c | 37 ------------------------------------ include/crypto/scatterwalk.h | 25 ------------------------ 2 files changed, 62 deletions(-) diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c index 2e7a532152d6..87c080f565d4 100644 --- a/crypto/scatterwalk.c +++ b/crypto/scatterwalk.c @@ -28,47 +28,10 @@ void scatterwalk_skip(struct scatter_walk *walk, unsigned int nbytes) walk->sg = sg; walk->offset = sg->offset + nbytes; } EXPORT_SYMBOL_GPL(scatterwalk_skip); -static inline void memcpy_dir(void *buf, void *sgdata, size_t nbytes, int out) -{ - void *src = out ? buf : sgdata; - void *dst = out ? sgdata : buf; - - memcpy(dst, src, nbytes); -} - -void scatterwalk_copychunks(void *buf, struct scatter_walk *walk, - size_t nbytes, int out) -{ - for (;;) { - unsigned int len_this_page = scatterwalk_pagelen(walk); - u8 *vaddr; - - if (len_this_page > nbytes) - len_this_page = nbytes; - - if (out != 2) { - vaddr = scatterwalk_map(walk); - memcpy_dir(buf, vaddr, len_this_page, out); - scatterwalk_unmap(vaddr); - } - - scatterwalk_advance(walk, len_this_page); - - if (nbytes == len_this_page) - break; - - buf += len_this_page; - nbytes -= len_this_page; - - scatterwalk_pagedone(walk, out & 1, 1); - } -} -EXPORT_SYMBOL_GPL(scatterwalk_copychunks); - inline void memcpy_from_scatterwalk(void *buf, struct scatter_walk *walk, unsigned int nbytes) { do { const void *src_addr; diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h index 5e12c07be89b..b542ce69d0bb 100644 --- a/include/crypto/scatterwalk.h +++ b/include/crypto/scatterwalk.h @@ -96,32 +96,10 @@ static inline void *scatterwalk_next(struct scatter_walk *walk, { *nbytes_ret = scatterwalk_clamp(walk, total); return scatterwalk_map(walk); } -static inline void scatterwalk_pagedone(struct scatter_walk *walk, int out, - unsigned int more) -{ - if (out) { - struct page *page; - - page = sg_page(walk->sg) + ((walk->offset - 1) >> PAGE_SHIFT); - flush_dcache_page(page); - } - - if (more && walk->offset >= walk->sg->offset + walk->sg->length) - scatterwalk_start(walk, sg_next(walk->sg)); -} - -static inline void scatterwalk_done(struct scatter_walk *walk, int out, - int more) -{ - if (!more || walk->offset >= walk->sg->offset + walk->sg->length || - !(walk->offset & (PAGE_SIZE - 1))) - scatterwalk_pagedone(walk, out, more); -} - static inline void scatterwalk_advance(struct scatter_walk *walk, unsigned int nbytes) { walk->offset += nbytes; } @@ -160,13 +138,10 @@ static inline void scatterwalk_done_dst(struct scatter_walk *walk, scatterwalk_advance(walk, nbytes); } void scatterwalk_skip(struct scatter_walk *walk, unsigned int nbytes); -void scatterwalk_copychunks(void *buf, struct scatter_walk *walk, - size_t nbytes, int out); - void memcpy_from_scatterwalk(void *buf, struct scatter_walk *walk, unsigned int nbytes); void memcpy_to_scatterwalk(struct scatter_walk *walk, const void *buf, unsigned int nbytes);