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=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 7FDB2C433E1 for ; Thu, 13 Aug 2020 20:03:38 +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 484AF20829 for ; Thu, 13 Aug 2020 20:03:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="VUo6PZG2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 484AF20829 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]:56514 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k6JRp-000889-HS for qemu-devel@archiver.kernel.org; Thu, 13 Aug 2020 16:03:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58274) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k6JR3-0006zb-HC for qemu-devel@nongnu.org; Thu, 13 Aug 2020 16:02:49 -0400 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]:41565) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k6JR1-0002uZ-OF for qemu-devel@nongnu.org; Thu, 13 Aug 2020 16:02:49 -0400 Received: by mail-pg1-x52b.google.com with SMTP id s15so3355590pgc.8 for ; Thu, 13 Aug 2020 13:02:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KVn3nGhh7KMqG6Zigevl8e3IKHdTBlKvT4d+P+M6n0o=; b=VUo6PZG2dgKTdZg32MX6kp098HvvlPLU42CQeD++akfPUB2Vd9zX3TYF6bMLIFoQrl cySqA5K1OsBzFUVW/j8i9EE7bqZpX69gPCYd2YN47midvJyvujJbMl/RLa5hblJ7Ngjq i8AR+E2LIf+6ZAGEIngqjaY2M25ToZYHOmoo3mFz3L34DQtETQSdZspHQV1GJs+xYxLt DP7HMexfNN+eki4Lbneeh5aoi+XFO/CCG17cLGyInwF4ql30f37hE2BSiqAN8cEwATTI mJxI7YWei6vvxv6KAyA6PFscQfcY/sMpTlXbKwpl2X7Q65m0rWvdxyhIIKN8WDEz2ftI b5rA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KVn3nGhh7KMqG6Zigevl8e3IKHdTBlKvT4d+P+M6n0o=; b=adnT7hF7jvbnKPXevfnKAcHq0Zl+vkznvOeyizFrVFniGsO90LHRquP1J85IM5XkDl 3u17VUGk152a7O8OqzgY5IOWdnuJPf01gpcRR+sOWtQWsNYw+brRdx77SVYDNhvuFRIA UL0NqcGfx8Wj1MXXFszXeK5ILEN9ocGzknPDAsQD3rP7F8D+YIRr0TJ/A0PKGdXqR5q8 rab466wIxhh+oJsh2jfYo4u9SBrBIbAoywGSAjqobLO/LB0zVkBUI7dVeAAjPvrTVNfU C1sQ69VEWLHtXSAcBZhcHsLZzyMlazoSFMaWrlBhSvtEYLyJ74lmMIR2o9VLhizZlYSF JncA== X-Gm-Message-State: AOAM533ISFip/UC9kmUa/R7kQZCYuCpTK5SsNt3Y4psfr7ugaXkFVoZ2 V8Qdnp13d5vTPGtjYjvpOCcwaumxHdg= X-Google-Smtp-Source: ABdhPJzwb2cQtvj457LaX6hidM5ZqZnDbQ/LMM4RcU+qryp6ecCX8b+1iGat+4BV+8y6grkcyQYMlQ== X-Received: by 2002:a63:1b0b:: with SMTP id b11mr5258791pgb.447.1597348965666; Thu, 13 Aug 2020 13:02:45 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id h12sm6871103pfr.143.2020.08.13.13.02.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Aug 2020 13:02:44 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 0/3] target/arm: Implement an IMPDEF pauth algorithm Date: Thu, 13 Aug 2020 13:02:40 -0700 Message-Id: <20200813200243.3036772-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: mark.rutland@arm.com, peter.maydell@linaro.org, drjones@redhat.com, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The architected pauth algorithm is quite slow without hardware support, and boot times for kernels that enable use of the feature have been significantly impacted. Version 1 blurb at https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg02172.html which contains larger study of the tradeoffs. Version 2 changes: * Use boolean properties, for qmp_query_cpu_model_expansion (drjones). * Move XXH64 implementation to xxhash.h (ajb). * Include a small cleanup to parsing the "sve" property that I noticed along the way. r~ Richard Henderson (3): target/arm: Add cpu properties to control pauth target/arm: Implement an IMPDEF pauth algorithm target/arm: Use object_property_add_bool for "sve" property include/qemu/xxhash.h | 82 +++++++++++++++++++++++++++++++++++++++ target/arm/cpu.h | 25 ++++++++++-- target/arm/cpu.c | 13 +++++++ target/arm/cpu64.c | 64 +++++++++++++++++++++--------- target/arm/monitor.c | 1 + target/arm/pauth_helper.c | 41 +++++++++++++++++--- 6 files changed, 199 insertions(+), 27 deletions(-) -- 2.25.1