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 514A4C433EF for ; Fri, 14 Jan 2022 20:59:08 +0000 (UTC) Received: from localhost ([::1]:32852 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8Tf9-0004Ga-2Z for qemu-devel@archiver.kernel.org; Fri, 14 Jan 2022 15:59:07 -0500 Received: from eggs.gnu.org ([209.51.188.92]:51684) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8Td7-0001gW-O4; Fri, 14 Jan 2022 15:57:01 -0500 Received: from [2607:f8b0:4864:20::32b] (port=35352 helo=mail-ot1-x32b.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n8Td6-0007nS-EB; Fri, 14 Jan 2022 15:57:01 -0500 Received: by mail-ot1-x32b.google.com with SMTP id 60-20020a9d0142000000b0059103eb18d4so11485170otu.2; Fri, 14 Jan 2022 12:56:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=9cyEBUzATocJv7ZX/1lhYMaB4y2O9dXDe2JOA9IZXFc=; b=pS7iLp4AXuX/U1PANWMAsTJ7Lqe0D2ILlOjeCRLQpvGvC7yuVMl3P/27t5I4wfjUzo F81obfnE9YMInFX85w8V7W4BDL8YeTYj7u7TjZgjXfPRQxrIPbgktTvMsDIMnWyn8oYD tQ4LNcNYDuZmzqJzsYriiZTjxC8CFqSO1/XgKPtgUO9qYNPDud5GT9mhIjm+vp4LxGE9 /dmeXBsLRZRYJZqHD5Yh1o4k50Mzfx4UrunbrCj0IcyQCr9kEYX60eZ+xNxaZ/U6vUzF Zyeg4iZA7qASxasSxhcqQpb2MRL/+8L04tn0PDvPp6bVsm+M4eUl0cytsWcw6HHPyhQY TpNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9cyEBUzATocJv7ZX/1lhYMaB4y2O9dXDe2JOA9IZXFc=; b=gtPnD/Svhr3qmOGZ3t1GovPbC+6NwVok+9ye8jUjZqrlNhhNNPfe8ZUZqkvka9NyO7 Suqd+wblrW+yg3JsxOQhARU4JcOVeGfzXZQXnlRQOutcTiDxf4/V90QHKXMY5QNykDvz rUpEQdsMziosopbHjvbjGdKr8C0F1DkcgWK78a8uEZirRGYc2ZQyuaCozwrpQzgx1yiv wratDpT6b4SwAWsTFeEPdfAZ5XLATXcz3pmbD+TWPykoM1wnXUrUUeVVZqz1X8+4TkTX q5yx7Qtn3NH3iBSfQgQA0su3O7Cc4pRg+91y8m7hfrduaOMTNjpK5/PZxG85rxN23a/y LcFw== X-Gm-Message-State: AOAM532I3nxkwYyE3Wii3vq4kAPyTWYW0h+7UtKv7C8+dq3U+4XaVzTj UHKOa/EzBXhbBGd313GsUCj71xgPzpB0ErJfVhY= X-Google-Smtp-Source: ABdhPJxniehsxMgrngi34GSfqk8XAa/CW7kiwg8zjXEBSeVMFJyGx0qmtxP1pe8lJznauVcboeenGNGmPO1ZMRza0Zk= X-Received: by 2002:a9d:27c1:: with SMTP id c59mr6131536otb.150.1642193817521; Fri, 14 Jan 2022 12:56:57 -0800 (PST) MIME-Version: 1.0 References: <20220110164754.1066025-1-idan.horowitz@gmail.com> <87ilum8gfp.fsf@linaro.org> In-Reply-To: From: Idan Horowitz Date: Fri, 14 Jan 2022 22:56:46 +0200 Message-ID: Subject: Re: [PATCH 1/2] accel/tcg: Optimize jump cache flush during tlb range flush To: =?UTF-8?B?QWxleCBCZW5uw6ll?= Content-Type: text/plain; charset="UTF-8" X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::32b (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::32b; envelope-from=idan.horowitz@gmail.com; helo=mail-ot1-x32b.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, FREEMAIL_FROM=0.001, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: Peter Maydell , qemu-arm@nongnu.org, richard.henderson@linaro.org, qemu-devel@nongnu.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Idan Horowitz wrote: > > cbnz x9, 0x5168abc8 > I forgot to include the addresses of the instructions, making this jump undecipherable, here's the snippet again but with addresses this time: 0x5168abb0 movk x0, #0x0 0x5168abb4 movk x0, #0x0, lsl #16 0x5168abb8 movk x0, #0xff80, lsl #32 0x5168abbc movk x0, #0x0, lsl #48 0x5168abc0 mov x9, #0x64 0x5168abc4 str x9, [x8] 0x5168abc8 tlbi rvae1, x0 0x5168abcc ldr x9, [x8] 0x5168abd0 sub x9, x9, #0x1 0x5168abd4 str x9, [x8] 0x5168abd8 cbnz x9, 0x5168abc8 > > Idan Horowitz Idan Horowitz