From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28839C433DF for ; Thu, 4 Jun 2020 23:51:51 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E2284206DC for ; Thu, 4 Jun 2020 23:51:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZbDb895C" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E2284206DC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 8F2F628006C; Thu, 4 Jun 2020 19:51:50 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 87CA8280005; Thu, 4 Jun 2020 19:51:50 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 7928C28006C; Thu, 4 Jun 2020 19:51:50 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0023.hostedemail.com [216.40.44.23]) by kanga.kvack.org (Postfix) with ESMTP id 5ECB9280005 for ; Thu, 4 Jun 2020 19:51:50 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 20ED8180AD801 for ; Thu, 4 Jun 2020 23:51:50 +0000 (UTC) X-FDA: 76893179580.20.nut24_371714a26d9b Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 09168180C07AB for ; Thu, 4 Jun 2020 23:51:50 +0000 (UTC) X-HE-Tag: nut24_371714a26d9b X-Filterd-Recvd-Size: 3105 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf25.hostedemail.com (Postfix) with ESMTP for ; Thu, 4 Jun 2020 23:51:49 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5B049208C9; Thu, 4 Jun 2020 23:51:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591314708; bh=cuePtu/cxhvhXXYBEYUVmSriSrdy2UyYzfcxXsh1OYM=; h=Date:From:To:Subject:In-Reply-To:From; b=ZbDb895C1uDFOgQKrbVl5+B1vRsPjYU8m9kJOsOQu+fI0hu9n9o3TOyXHIqVhrIaC 6s0fZ2mCFDHWy/CUWvHRAeCgvVwFMGrDa0ecjT5y5+s5klcisVl62jvCxncoeyxgL/ d6o5MXWUYWJk/is1S9ymCQfJjkuO6YBWyywGTHqI= Date: Thu, 04 Jun 2020 16:51:47 -0700 From: Andrew Morton To: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, bauerman@linux.ibm.com, dave.hansen@intel.com, desnesn@linux.vnet.ibm.com, fweimer@redhat.com, linux-mm@kvack.org, linuxram@us.ibm.com, mhocko@kernel.org, mingo@kernel.org, mm-commits@vger.kernel.org, mpe@ellerman.id.au, msuchanek@suse.de, sandipan@linux.ibm.com, shuah@kernel.org, torvalds@linux-foundation.org Subject: [patch 106/127] selftests/vm/pkeys: make gcc check arguments of sigsafe_printf() Message-ID: <20200604235147.fvf0KKJqK%akpm@linux-foundation.org> In-Reply-To: <20200604164523.e15f3177f4b69dcb4f2534a1@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Rspamd-Queue-Id: 09168180C07AB X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Thiago Jung Bauermann Subject: selftests/vm/pkeys: make gcc check arguments of sigsafe_printf() This will help us ensure we print pkey_reg_t values correctly in different architectures. Link: http://lkml.kernel.org/r/b40b7a95fdd4045d62530a2a34452934caf3b0bc.1585646528.git.sandipan@linux.ibm.com Signed-off-by: Thiago Jung Bauermann Signed-off-by: Sandipan Das Acked-by: Dave Hansen Cc: "Desnes A. Nunes do Rosario" Cc: Florian Weimer Cc: Ingo Molnar Cc: Ram Pai Cc: "Aneesh Kumar K.V" Cc: Michael Ellerman Cc: Michal Hocko Cc: Michal Suchanek Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/vm/pkey-helpers.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/tools/testing/selftests/vm/pkey-helpers.h~selftests-vm-pkeys-make-gcc-check-arguments-of-sigsafe_printf +++ a/tools/testing/selftests/vm/pkey-helpers.h @@ -27,6 +27,10 @@ #define DPRINT_IN_SIGNAL_BUF_SIZE 4096 extern int dprint_in_signal; extern char dprint_in_signal_buffer[DPRINT_IN_SIGNAL_BUF_SIZE]; + +#ifdef __GNUC__ +__attribute__((format(printf, 1, 2))) +#endif static inline void sigsafe_printf(const char *format, ...) { va_list ap; _