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=-6.8 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,USER_AGENT_GIT autolearn=unavailable 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 E7DF2C4360C for ; Thu, 10 Oct 2019 08:55:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4B17218AC for ; Thu, 10 Oct 2019 08:55:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570697716; bh=hjClmTpggnb7L6mcq55UzXAa9IIEoGjT4X6BTvjO7nk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CyCBDx8U/ZMm1WrCv+cbwlf61ktwz7QT47WLlcrJbVJBfzUoKdVeFuVCRIe+BDxkM rmacQ7/Z6PmvhUZpRrm0zCqfblBdsIrueGJrn6BhXacwa9IVL3Nv32j8w623facgMM IxrtwPqcG5HFd+1yFb0KHroI4wh9B/Do6nYqk880= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389841AbfJJItl (ORCPT ); Thu, 10 Oct 2019 04:49:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:56342 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389839AbfJJItj (ORCPT ); Thu, 10 Oct 2019 04:49:39 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 2440B218AC; Thu, 10 Oct 2019 08:49:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570697378; bh=hjClmTpggnb7L6mcq55UzXAa9IIEoGjT4X6BTvjO7nk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TXwnPRpfDTRsA+RaSjJASFx8VUh0CkIUN1GC5D+4CafIAHuTQcqy4qWTFa8SOqPjl B9eyopdfhoc0C8zuJtlxG+d8hhcjLTZLPjyNXCEvlnBGYltMttiMY4m47kLpd3lA5Q TsAspoomustQfmxRJtQW1PmRZT6issoTPayUGwQM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Will Deacon , Catalin Marinas , Ard Biesheuvel Subject: [PATCH 4.19 091/114] arm64: docs: Document SSBS HWCAP Date: Thu, 10 Oct 2019 10:36:38 +0200 Message-Id: <20191010083612.904076126@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191010083544.711104709@linuxfoundation.org> References: <20191010083544.711104709@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Will Deacon [ Upstream commit ee91176120bd584aa10c564e7e9fdcaf397190a1 ] We advertise the MRS/MSR instructions for toggling SSBS at EL0 using an HWCAP, so document it along with the others. Signed-off-by: Will Deacon Signed-off-by: Catalin Marinas Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- Documentation/arm64/elf_hwcaps.txt | 4 ++++ 1 file changed, 4 insertions(+) --- a/Documentation/arm64/elf_hwcaps.txt +++ b/Documentation/arm64/elf_hwcaps.txt @@ -178,3 +178,7 @@ HWCAP_ILRCPC HWCAP_FLAGM Functionality implied by ID_AA64ISAR0_EL1.TS == 0b0001. + +HWCAP_SSBS + + Functionality implied by ID_AA64PFR1_EL1.SSBS == 0b0010.