From patchwork Thu Dec 13 16:57:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 10729199 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 69007112E for ; Thu, 13 Dec 2018 17:13:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4BFA027CAF for ; Thu, 13 Dec 2018 17:13:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 400CB285BE; Thu, 13 Dec 2018 17:13:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D253227CAF for ; Thu, 13 Dec 2018 17:13:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xClq3ia7Hx3G8rLOKd77RetsZQGeiKiAf2HseQOlkIA=; b=VXXTvlU0B2O0aX YeEpUagBBAPzlDXvsXZ6ugUt3xLuw1Okjz7GMe7BMPF59ydUGPNeDd/2BC/wwXQEa7EacG9YvXbuz yLpL2bYXLh6QmUXeYWAcTjvnz1W8eNa6uqbtrkHCP/C79GNWo3OEkchj867wNQ7zVorjYrfhXFDp2 9auaNAmdXlyglpQm5UaDtIU+U9MDBJ3M6MB4/sv4MsBFR4SDzhZYIvGnTt8DHqV3om3y9byj4T5Mk DTclgtNOMnBANN6zkg+Ai5DUSgPeeHgu9txX20U3A0vIKzNpLHIFuN8yKwbIfNF4bBKiqr0+D6uoN AFS64m4tLq0cjXd03/Yg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gXUYV-0002ri-EQ; Thu, 13 Dec 2018 17:13:47 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gXUKX-0007by-KQ for linux-arm-kernel@lists.infradead.org; Thu, 13 Dec 2018 16:59:33 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 33B4E174E; Thu, 13 Dec 2018 08:59:21 -0800 (PST) Received: from e119884-lin.cambridge.arm.com (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 20CCD3F614; Thu, 13 Dec 2018 08:59:18 -0800 (PST) From: Vincenzo Frascino To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 12/24] lib: vdso: Add compat support Date: Thu, 13 Dec 2018 16:57:34 +0000 Message-Id: <20181213165746.56930-13-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181213165746.56930-1-vincenzo.frascino@arm.com> References: <20181213165746.56930-1-vincenzo.frascino@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181213_085922_873432_0C36FE0B X-CRM114-Status: GOOD ( 11.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arnd Bergmann , Catalin Marinas , Daniel Lezcano , Will Deacon , Russell King , Ralf Baechle , Mark Salyzyn , Paul Burton , Thomas Gleixner , Peter Collingbourne Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Some 64 bit architectures have support for 32 bit applications that require a separate version of the vDSOs. This patch adds support to the generic code for compat fallback functions. Cc: Catalin Marinas Cc: Will Deacon Signed-off-by: Vincenzo Frascino --- lib/vdso/gettimeofday.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c index 30010d25bf5b..e21bd58139c8 100644 --- a/lib/vdso/gettimeofday.c +++ b/lib/vdso/gettimeofday.c @@ -28,7 +28,11 @@ * - clock_gettime_fallback(): fallback for clock_gettime. * - clock_getres_fallback(): fallback for clock_getres. */ +#ifdef ENABLE_COMPAT_VDSO +#include +#else #include +#endif /* ENABLE_COMPAT_VDSO */ #ifdef CONFIG_HAVE_HW_COUNTER static notrace int do_hres(const struct vdso_data *vd,