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[83.51.208.63]) by smtp.gmail.com with ESMTPSA id g3sm7703668wrp.46.2021.04.12.04.01.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Apr 2021 04:01:00 -0700 (PDT) Subject: Re: [RFC PATCH-for-6.1 0/9] hw/clock: Strengthen machine (non-qdev) clock propagation To: Peter Maydell References: <20210409062401.2350436-1-f4bug@amsat.org> <20210410131932.i6no5tvvaldyomvp@sekoia-pc.home.lmichel.fr> <09a63c3e-aa68-0d2d-b447-db9cd84dab09@amsat.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Mon, 12 Apr 2021 13:00:59 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x431.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Hedde , Luc Michel , Eduardo Habkost , QEMU Developers , qemu-arm , Paolo Bonzini Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/12/21 12:44 PM, Peter Maydell wrote: > On Mon, 12 Apr 2021 at 11:31, Philippe Mathieu-Daudé wrote: >> TIL MachineClass::reset(). >> >> - hw/hppa/machine.c >> - hw/i386/pc.c >> >> Used to reset CPUs manually because CPUs aren't sysbus-reset. > > pc_machine_reset() is not resetting the CPUs -- it is > re-resetting the APIC devices, which looks like it is a > workaround for a reset-ordering or other problem. I'm not > sure where the CPUs are being reset... Ah, I got confused by the CPU_FOREACH(cs) macro.