From patchwork Fri May 15 17:27:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 11552801 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CE4FF138A for ; Fri, 15 May 2020 17:29:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 86B9C20727 for ; Fri, 15 May 2020 17:29:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="beTYo5wM"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="r8Bq6TnL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 86B9C20727 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+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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=N49W+DugCknertA+7/dDE44tw5BQHuzCI5PBMMjQ3Uk=; b=beTYo5wMXcXaDo UXcIHrTURIW38KZNPw85cxV6SK2veenBaO2/xcolkSyCX+h9bjgZ6ZJyIctFAd70ednLFdDK8y+/n gmsEBVnxlEb7HXDkzdnpsGpbnC9kPKhRDWeqnlvotaPWXFPKjMTMuSJx18L6/fDBktsGl76kCmeiA Ns4Ifz3W13T4ALjDHcLA8uwKOsikaz11pgHZ6GryNMpA1vfZHOucddBKodrTQDy9y7cuOk8lQklAQ LlMP1Vl839k+yvzxH9zWtcES4BBioZgM0xT/R2+t5g/fl8f160XGzz5pnhb8ASobSUIUAE0e7kE5L RESvN/z/K2s7mka6tKdQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZe9K-0001JU-A5; Fri, 15 May 2020 17:29:30 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jZe8A-0000EW-Ca for linux-arm-kernel@lists.infradead.org; Fri, 15 May 2020 17:28:19 +0000 Received: from localhost.localdomain (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DB162207DA; Fri, 15 May 2020 17:28:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589563697; bh=ABe6HtCY2BXd5/kuL4vILx9xPHe8+HCzgvhneFJFTyk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r8Bq6TnL9F9NCbt6Nn3/Eifd+upKBoavceS4C7D/UHKa6I3fQ1C5JA+08R22FK84P tsHNSdBR7iXkE+esIPeR0qsd/EAs6d/+9zw36V/JLMVgYZio6erR905reXmUfnkBb/ KLU94b9Y5U2Zn4rby6g+vUV7WHwL61PKSKauhK58= From: Will Deacon To: linux-kernel@vger.kernel.org Subject: [PATCH 5/6] scs: Remove references to asm/scs.h from core code Date: Fri, 15 May 2020 18:27:55 +0100 Message-Id: <20200515172756.27185-6-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200515172756.27185-1-will@kernel.org> References: <20200515172756.27185-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200515_102818_480547_30339CE4 X-CRM114-Status: GOOD ( 12.06 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-team@android.com, Kees Cook , Jann Horn , Peter Zijlstra , Catalin Marinas , Mark Rutland , Sami Tolvanen , Will Deacon , Ard Biesheuvel , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org asm/scs.h is no longer needed by the core code, so remove a redundant header inclusion and update the stale Kconfig text. Signed-off-by: Will Deacon Reviewed-by: Mark Rutland --- arch/Kconfig | 4 ++-- kernel/scs.c | 1 - 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/Kconfig b/arch/Kconfig index 45dfca9a98d3..2e6f843d87c4 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -537,8 +537,8 @@ config ARCH_SUPPORTS_SHADOW_CALL_STACK bool help An architecture should select this if it supports Clang's Shadow - Call Stack, has asm/scs.h, and implements runtime support for shadow - stack switching. + Call Stack and implements runtime support for shadow stack + switching. config SHADOW_CALL_STACK bool "Clang Shadow Call Stack" diff --git a/kernel/scs.c b/kernel/scs.c index faf0ecd7b893..222a7a9ad543 100644 --- a/kernel/scs.c +++ b/kernel/scs.c @@ -10,7 +10,6 @@ #include #include #include -#include static struct kmem_cache *scs_cache;