From nobody Tue Apr 7 00:50:42 2026 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 4FB25ECAAD1 for ; Wed, 31 Aug 2022 22:10:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231868AbiHaWKH (ORCPT ); Wed, 31 Aug 2022 18:10:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34718 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229531AbiHaWKF (ORCPT ); Wed, 31 Aug 2022 18:10:05 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 27188186D3 for ; Wed, 31 Aug 2022 15:10:00 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 2961422038; Wed, 31 Aug 2022 22:09:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1661983799; 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; bh=l3Q5DvQGEH+WsVHsWcDeULdQu2Ku6pAIt7NlxRIeG14=; b=FuYNtYD3P5RIynwDyFzL12UjoWn3QMLvxwHoLXbWEfz5NGAYlMjLenXCOMW6DgDDj2i0Qp /34GWtqNEWu/s45Mei703Rb0iFUuaqYCqDlIo4bufGDaLecl67jYYQYXxsN7akoHaHCbD8 PDLg7TUvXcWJufw1W4+C/sllWeWoEgI= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1661983799; 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; bh=l3Q5DvQGEH+WsVHsWcDeULdQu2Ku6pAIt7NlxRIeG14=; b=dX0+XwxNi18qBpPaeNeoNVsHq0xLBPVgsFKomiwVzW1KKn7JldtqhI/MjifPsxl6Jq2K7p +uj/AOOqoOcXEhCw== Received: from echidna.suse.cz (unknown [10.100.228.166]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id E127A2C141; Wed, 31 Aug 2022 22:09:58 +0000 (UTC) From: David Disseldorp To: dmitry.torokhov@gmail.com Cc: linux-kernel@vger.kernel.org, David Disseldorp Subject: [PATCH] module/decompress: generate sysfs string at compile time Date: Thu, 1 Sep 2022 00:07:10 +0200 Message-Id: <20220831220709.28972-1-ddiss@suse.de> X-Mailer: git-send-email 2.35.3 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" compression_show() before (with noinline): 0xffffffff810b5ff0 <+0>: mov %rdx,%rdi 0xffffffff810b5ff3 <+3>: mov $0xffffffff81b55629,%rsi 0xffffffff810b5ffa <+10>: mov $0xffffffff81b0cde2,%rdx 0xffffffff810b6001 <+17>: call 0xffffffff811b8fd0 0xffffffff810b6006 <+22>: cltq 0xffffffff810b6008 <+24>: ret After: 0xffffffff810b5ff0 <+0>: mov $0xffffffff81b0cde2,%rsi 0xffffffff810b5ff7 <+7>: mov %rdx,%rdi 0xffffffff810b5ffa <+10>: call 0xffffffff811b8fd0 0xffffffff810b5fff <+15>: cltq 0xffffffff810b6001 <+17>: ret Signed-off-by: David Disseldorp --- kernel/module/decompress.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Feel free to drop the to-be-expected commit message body if desired. diff --git a/kernel/module/decompress.c b/kernel/module/decompress.c index 4d0bcb3d9e449..c033572d83f0e 100644 --- a/kernel/module/decompress.c +++ b/kernel/module/decompress.c @@ -256,7 +256,7 @@ void module_decompress_cleanup(struct load_info *info) static ssize_t compression_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { - return sysfs_emit(buf, "%s\n", __stringify(MODULE_COMPRESSION)); + return sysfs_emit(buf, __stringify(MODULE_COMPRESSION) "\n"); } =20 static struct kobj_attribute module_compression_attr =3D __ATTR_RO(compres= sion); --=20 2.35.3