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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 87F74C71153 for ; Tue, 29 Aug 2023 13:07:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qayQA-00047n-Nu; Tue, 29 Aug 2023 09:06:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qayQ8-00046O-Gi for qemu-devel@nongnu.org; Tue, 29 Aug 2023 09:06:12 -0400 Received: from mail-ed1-x529.google.com ([2a00:1450:4864:20::529]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qayQ6-0004dB-9Y for qemu-devel@nongnu.org; Tue, 29 Aug 2023 09:06:12 -0400 Received: by mail-ed1-x529.google.com with SMTP id 4fb4d7f45d1cf-52a3aa99bcdso6120260a12.0 for ; Tue, 29 Aug 2023 06:06:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1693314368; x=1693919168; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=/d+IHKVhjyzzcBoT08+0UZkl6B6Df7hnsYgh7N4Kdto=; b=gefUOHvVcNZyaKDBkur7fFWatjsLhZA0v/AIW5WptmtSj7qPvuQ98VjBr4lZnaknvJ Ona6gZrR8EftXLjpoMjwnUOWyaMONL6+JNBb201663I8eG3Mx70J6HxByXkCf7y0ha/n CrgSzG6IbxaTa8llfMEXH6ZH7iloj2WAlVPgSaeftGQOeC30ievNkDiqtBnA4C2glFnO 4qgzFSpT/aAa8/hBfRU+0SRuXfEmaogGtBDV9qIhlc/mNSrLmJ1Mjx+pFctGEbbTEYhN NBOkDw1I1amxMWJXlxXaw1tvBJV4re2GUtILsdVtgvRZLbCGezoXaFJHvDD/l9yeB/g1 /OAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693314368; x=1693919168; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=/d+IHKVhjyzzcBoT08+0UZkl6B6Df7hnsYgh7N4Kdto=; b=gBRHNUY36fh1VlXcrO1gQIkWIrNVZsiIxlzDrb92dacoW1eME5TIB/KhXcApvFKyxN F1MjzKf2jdfKMUpCA/BZRgdL5ks+IEP36UdMTptAQerBD+L0fWgIDd+tqcZBhxg0NbJt wrw3Qoz+YJMV9wtvJBIOZW8fhFmRuqCYdkxSdjlvaw/80rj1h1igZrEoMz8T0SUX4cFm QH5g98fiVVom/c/jU9UZDRfw9vr/NmE88+jz4NXsKDaoJiP6YCYGQaE/JqBNZK6h5ult yZ9QJRTTuTRpI0ViINdk9zLh/uz3iTBEZu/QpGj8JT71zNCEVphoJN6DKPGBxz0Jt45V Rbpw== X-Gm-Message-State: AOJu0YxSiz1Pk2lkqhnG4jzfW1uLXjK4SittrX8rmhfnyuk3nS0vc5zC 6T6nERPMw4b6gYrTJ8EzZ1eKnulHJkYc+2sz1H6K3g== X-Google-Smtp-Source: AGHT+IEkxR36PYfgHmirYQZRV1lMchCFYK7SYe0HSYJ5pZ7pHHdbFp9rnffQ7Vj+FGb71rNaSv3WtBlJCCOpB4LZ5fg= X-Received: by 2002:aa7:d34f:0:b0:525:4f15:d26e with SMTP id m15-20020aa7d34f000000b005254f15d26emr20001733edr.32.1693314368534; Tue, 29 Aug 2023 06:06:08 -0700 (PDT) MIME-Version: 1.0 References: <20230822042530.1026751-1-richard.henderson@linaro.org> <20230822042530.1026751-5-richard.henderson@linaro.org> In-Reply-To: <20230822042530.1026751-5-richard.henderson@linaro.org> From: Peter Maydell Date: Tue, 29 Aug 2023 14:05:57 +0100 Message-ID: Subject: Re: [PATCH v4 4/9] target/arm: Don't change pauth features when changing algorithm To: Richard Henderson Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::529; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x529.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Tue, 22 Aug 2023 at 05:27, Richard Henderson wrote: > > We have cpu properties to adjust the pauth algorithm for the > purpose of speed of emulation. Retain the set of pauth features > supported by the cpu even as the algorithm changes. > > This already affects the neoverse-v1 cpu, which has FEAT_EPAC. > > Signed-off-by: Richard Henderson > --- Reviewed-by: Peter Maydell thanks -- PMM