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=-0.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 1894AC433E0 for ; Thu, 9 Jul 2020 11:05:01 +0000 (UTC) Received: from shelob.surriel.com (shelob.surriel.com [96.67.55.147]) (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 C6E9A2074B for ; Thu, 9 Jul 2020 11:05:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WMJadOIK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C6E9A2074B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernelnewbies-bounces@kernelnewbies.org Received: from localhost ([::1] helo=shelob.surriel.com) by shelob.surriel.com with esmtp (Exim 4.94) (envelope-from ) id 1jtUJI-0007XM-75; Thu, 09 Jul 2020 07:01:48 -0400 Received: from mail-lj1-x22c.google.com ([2a00:1450:4864:20::22c]) by shelob.surriel.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1jtUJB-0007X2-1s for kernelnewbies@kernelnewbies.org; Thu, 09 Jul 2020 07:01:41 -0400 Received: by mail-lj1-x22c.google.com with SMTP id h19so1851670ljg.13 for ; Thu, 09 Jul 2020 04:01:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=CByUmOmsG0dHuryjS70l/mEAsyD2WozajLuKNjAyBUk=; b=WMJadOIKAi22g1I+ZwyE7ph6X9W/SZZxZKcGx5kJBbeTbmSghb75T251DmYdF9vb+5 LD37bpsEnczRpcKE6aRmriKkST3ryhuqa0Ht2Pwh3ueMMCgV3VmE67NbXGbJrYx9oSGe scff4gBymM8Sr7vb/lVkfG0JYD3nBpZCO94qxUwTnv3wosOUcGTzvFDRMKH+b3EN1XmO Pvz0UJuHcLnce81vpqw0/mVtHeln0K7owKlRn80478xhkfLD/pzkXGGjjNIh/mxZ4pY1 M0jpv2a5lEncHD8Xi4PQ+d7AiWjvjxA/F1xLmyfXI8WYZQA/raOYm8bM00VIICqOmLV5 U3WA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=CByUmOmsG0dHuryjS70l/mEAsyD2WozajLuKNjAyBUk=; b=P6SMrRMejqOIGa9Q78FBrjq7p7xOjTYqc5KPoOUHLGLnlPeYetTNqy+pVlL8DgOReV Y3V9N1cuj6Z+O5IspTJNXH15FOLUi8FJCD9ABFPfnD7ZP93P4zHYzVpEvDFuS98EWUWT uUU5uCyC9+M5a+R5bJRKDtbYVAWGKXHDKteIVJ9qHTTwBCRSb0Sqq7enJjr+mRDwAnQw 4bLKGIiSAGy6buEp9SOgZMAqVfzFKTAvnWvz20bK0RUOME9xU8d1OQVAsIW5VCtYt4Nh 6PWCGhQHCwPy+bFgoyVUeGT8eRg9tPeu1zNBa4zeFA/L1PemkA9cYBASGpZ6cm6gGihZ E/LA== X-Gm-Message-State: AOAM531qdObdneiRDJv2SuAerqVXCWjNsDtgpkYbxqDAyghtV2TRR8xz 0ORVlZ2mQGIi6bjMag4RmAAcKi9tey2CueAGW4RevoBU X-Google-Smtp-Source: ABdhPJy4TSM8o8P6uY/lVtxo+aGKDAs/EuZVMWKDlg0KuJg5VdVP+r2ecNqP/k7uN5Svs/6s8/HBRf9ccB4F2vfAvaQ= X-Received: by 2002:a2e:810a:: with SMTP id d10mr30379875ljg.144.1594292485166; Thu, 09 Jul 2020 04:01:25 -0700 (PDT) MIME-Version: 1.0 From: William Tambe Date: Thu, 9 Jul 2020 07:01:12 -0400 Message-ID: Subject: Regarding Linux kernel SMP and task switching CPU To: kernelnewbies@kernelnewbies.org X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org When a task is moved from one CPU to another, are there platform specific functions that are called to detect change ? _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies