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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 340D8C433DB for ; Fri, 5 Mar 2021 11:23:53 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 91C4065014 for ; Fri, 5 Mar 2021 11:23:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 91C4065014 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:58672 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lI8Yh-0005Yt-Bn for qemu-devel@archiver.kernel.org; Fri, 05 Mar 2021 06:23:51 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58186) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lI8Xb-0004yD-Mw for qemu-devel@nongnu.org; Fri, 05 Mar 2021 06:22:43 -0500 Received: from mail-ed1-x531.google.com ([2a00:1450:4864:20::531]:41614) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lI8XZ-0004qZ-ID for qemu-devel@nongnu.org; Fri, 05 Mar 2021 06:22:42 -0500 Received: by mail-ed1-x531.google.com with SMTP id b7so2053132edz.8 for ; Fri, 05 Mar 2021 03:22:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=8qyOVIxrlhAAZUUomRZiOSz30DPevvY82WCeucYNLzE=; b=IS+2VCG1/eQCa7O8BlCgLX5YTRgYN6Lp4CVVSKfmGs7JaDF0UrTiVai4yy/l/IwdiY IBBoDci5O4FdKnE1wllTKJfFdEYIm18iaHVIYIcWYoJJ8MJGlBxTmgAzU6CUAP77L/Vr NucV2peQOUa1A5sxrC4jaNtCsVmL37EuIIzluuCz7SOw02VJWxsAxeJj772JoMNvuJMN xgp8xf/TnmTO/DRaNDJMcOoxbZjze7QtwTQW3hUev3qmnBb3+KK9yxXFuSqoXbR/+JY8 KosmOF7dSdLcyH9IaR5UeAGlpPbHJaY4OqbNhH9EMd1LBXYp5u5hthhTUX3/J0T/9r0e +Hqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=8qyOVIxrlhAAZUUomRZiOSz30DPevvY82WCeucYNLzE=; b=ssxmkmggMhVDPLpj2ABQo1RVniQK1YCqhyZjFcYGKsIYxjOKqRp5MjlG02lQNPbf91 BZ9rs55Fl3y2N/MZ+ssuSgkWFhcNsyUmY0Ils+SbsD7mnDsyZbZXHwzGT5l3Cnu3WRQ6 PcLImoAeJyyDRjUZ1lm8XVKXwIN0VWd9Y8xe6fX9rxE1ukmSMWAyHAsfkqYXdit4HnjJ h5AMo7glHmpVrRvb+zihz/zwkNf+AE6RSjBIvu6aQqGxtySEGz5Ec55P10+BXbVkeVX7 /WIXUquRPgU8njoMkJYxTdVl/Pbhv2UtAtw3e/41F6+J395YCe4ZmNaRKHTGfvfAMMQI R9XQ== X-Gm-Message-State: AOAM532NK/O60Jlm5xt5tKQjMTeOzE/9FLuzMex/YCyVxRV83GeayShr d+FabdT8hR0hPF8p15E5iOXfsYc7gZtZd/MuFSZVyA== X-Google-Smtp-Source: ABdhPJzNP1/X4pcIAZ0t80kBLd/lHEX9ukCFNs7ijI+46QR6VwAaSwPhLJ1XjJHSFacjLfFDha8rgl10CBD3Sg1iXLE= X-Received: by 2002:aa7:c804:: with SMTP id a4mr8460140edt.251.1614943360064; Fri, 05 Mar 2021 03:22:40 -0800 (PST) MIME-Version: 1.0 References: <20210216224543.16142-1-rebecca@nuviainc.com> In-Reply-To: <20210216224543.16142-1-rebecca@nuviainc.com> From: Peter Maydell Date: Fri, 5 Mar 2021 11:22:24 +0000 Message-ID: Subject: Re: [PATCH v2 0/3] target/arm: Add support for FEAT_SSBS To: Rebecca Cran Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::531; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x531.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, 16 Feb 2021 at 22:45, Rebecca Cran wrote: > > > Add support for FEAT_SSBS, Speculative Store Bypass Safe. SSBS is an > optional feature in ARMv8.0 and is mandatory in ARMv8.5. > > Changes from v1 to v2: > > o Removed changes to cpsr_write_from_spsr_elx and cpsr_read_for_spsr_elx. > o Moved the SSBS case in translate-a64.c above DIT to keep the numbers in > order. > o Moved the check for SCTLR_DSSBS_32 in take_aarch32_exception. > Applied to target-arm.next, thanks. -- PMM