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=-12.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 7526BC433E9 for ; Thu, 18 Mar 2021 17:09:44 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1DBE964F1F for ; Thu, 18 Mar 2021 17:09:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1DBE964F1F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=sbKeKRTU6wndkMUNBzwZDsSagHPwVt8zuRGWXqFOP7k=; b=fWSWqAQ0q8RCbJD0sg2m9FAsWe fwX54BzirjIzn7dOl7kKLdEg18OmR1r2mFK6mhHCyZcYGKISsyItHzufmyEwSz8yFS3NqfbNuPfSk 5a8qZJFK5s8le7bVS1fbuvbuolL/xBJqUW4CclPVv9U8ourr8cYEhvVi1t0czbKL3vxstuq6IWRph F3B/QIuOeEofRIyp1L9JIcqZmvZQBcZIlfWMc7F/NPWCBN/Xgsz1gR04HO1RqrMU6ZLYLoJGRUljm qX1Nkw9jNjjA4nbPdTz0qbzSMdHvIBXAoWyB6eNSGSzmwAayD5rJ2CK2Mlaxnnkl3cvZLSMz629nQ XWMDAVDQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMw7k-005elu-Nf; Thu, 18 Mar 2021 17:07:54 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMw7g-005ekZ-S1 for linux-arm-kernel@lists.infradead.org; Thu, 18 Mar 2021 17:07:50 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 272B164F1C; Thu, 18 Mar 2021 17:07:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1616087266; bh=b7EpBDjMGa3f52fe7M3A5zQ7NxtF1PzC3bBN691dZKI=; h=From:To:Cc:Subject:Date:From; b=SyhI4Sx0Qhfk4/TDP6FipBZOYiPvb+dcEFTSCzX0077m8AEdmvIvkDC1xSGWg2tAn qVfKM1dtFXIncVbdA3o1YISlsfLR/+U8MiHNoZZHhLrxX5GQ9icUlcqY0K1sHWJu7g Ud/HA5tqOwlsHxLBEXowRV4MQwwC7Qjpj7cOjqMv5YgC5DH2xNH3aLWHm/M85NBiCQ KKCQkMZuzvF3OD/8JexJkoDnES12h6aklHk9w5jHJbHu/XhbL6AanZoLbu66JLzu4i 5w0h215sqsk3+xwRonBl2T08ocB/vY0LSwtNOu65LwB7kV7j9NnA+o7BSyNfIq9cp9 J6VWAdhVGYy6w== From: Will Deacon To: linux-arm-kernel@lists.infradead.org Cc: kernel-team@android.com, Will Deacon , Catalin Marinas , Mark Rutland , Marc Zyngier , Vincenzo Frascino , Russell King Subject: [PATCH 0/5] Minor improvements to the compat vdso and sigpage Date: Thu, 18 Mar 2021 17:07:33 +0000 Message-Id: <20210318170738.7756-1-will@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210318_170749_118047_6E482676 X-CRM114-Status: UNSURE ( 8.53 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi all, Here are a few small improvements to the compat vDSO and sigpage implementation for arm64 which I cooked up when comparing the code with the native 32-bit counterpart. Cheers, Will --->8 Cc: Catalin Marinas Cc: Mark Rutland Cc: Marc Zyngier Cc: Vincenzo Frascino Cc: Russell King Will Deacon (5): arm64: vdso: Use GFP_KERNEL for allocating compat vdso and signal pages arm64: vdso: Remove redundant calls to flush_dcache_page() arm64: compat: Allow signal page to be remapped arm64: vdso: Avoid ISB after reading from cntvct_el0 arm64: compat: Poison the compat sigpage arch/arm64/include/asm/arch_timer.h | 21 --------------------- arch/arm64/include/asm/barrier.h | 19 +++++++++++++++++++ arch/arm64/include/asm/vdso/gettimeofday.h | 6 +----- arch/arm64/kernel/vdso.c | 22 ++++++++++++++++------ 4 files changed, 36 insertions(+), 32 deletions(-) -- 2.31.0.rc2.261.g7f71774620-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel