From nobody Mon Jan 08 18:52:24 2024 X-Original-To: freebsd-riscv@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4T838k1HFkz56R0W for ; Mon, 8 Jan 2024 18:52:38 +0000 (UTC) (envelope-from himanshu@thechauhan.dev) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4T838j5LmPz4G1Z for ; Mon, 8 Jan 2024 18:52:37 +0000 (UTC) (envelope-from himanshu@thechauhan.dev) Authentication-Results: mx1.freebsd.org; none Received: by mail-pj1-x102f.google.com with SMTP id 98e67ed59e1d1-28beb1d946fso1922522a91.0 for ; Mon, 08 Jan 2024 10:52:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=thechauhan.dev; s=google; t=1704739956; x=1705344756; darn=freebsd.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=K1YAGTHWFN0FJRV5Z3XZcmoRlST6MuciKESggMZjnNw=; b=fqehgdeW0rPxPpwF5zvc64jJfwMQBW3beBPZ+5Sue+X+gP8G2KEg8y4CFDM2rcXaPR RRfx1HOE1nSYcZ5D0rLuT6OgzQxMDO6UnDhLc3jVwz4u6iDAdXr8Z34WYD0Monr9QV1m KxHgN4zYOeyCXE9213F3w5R/hzlboE1ZVC3GCk5BFbB2L5pAeNzsDvPTUigR0WfieInl 0kcvtSqXRqQ+dsNfESnW/CglgzqR7mSZWIK9awhSIBhbbQoSpQ4e1LYOAjIvcGh6RfTk Vv2/86vvyccrk1Qtl9uAj2ZQoayGhPNyKvTKPnnwApm0V/xdeHCiRtaUNuW+j4VQagpf GRkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704739956; x=1705344756; h=content-transfer-encoding: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=K1YAGTHWFN0FJRV5Z3XZcmoRlST6MuciKESggMZjnNw=; b=ZmPqSMOg0tiVChdPbI3DDVsOogOpXOPkzh19kOI4uq95Ch8VulnE2bVlNBiyrWSb2C j+jOverE+k0JlrROyK32QBAvBMqwBQlZk4UT+AgUtw97ihQb4uFDmzLbUZtWs/sWgbS+ szLzt3cDBLWdz9N2JwiiAglSm3bsSWYH6f21FpB3ZXKqnGbTBeL/zJDacmki37B378k+ QcYxGExtsGrH3bZGD2GRotXrXX5lXrXP3pHDRMbYdbZTw58p17GGXT239ro9q0O235qK nsslrQ0HjT+72wx6bPO92dtWp9kyF8ycHSKlcbIsSVzJNSsyWh91iLPxptsMrZCQQ+Ok aZmw== X-Gm-Message-State: AOJu0YxHiO32gxAuHp/389PbQbi16M9Z4/NcR1lBbZiYkmCBCRKnWxkM 97/t0ktKDosTNdCA7/g9EMmBSkI6hUMFtWYoFkmPnS5QQkNf X-Google-Smtp-Source: AGHT+IFjqq3z8vPVeRGa7su+7Z1ZblIOJf5pqcND6mOidrc2qK33czMRDRqH3+jYsrCQE4HP9HbzxmSWygp5LYeVO84= X-Received: by 2002:a17:90b:e96:b0:28d:5078:636a with SMTP id fv22-20020a17090b0e9600b0028d5078636amr1312759pjb.46.1704739955930; Mon, 08 Jan 2024 10:52:35 -0800 (PST) List-Id: FreeBSD on the RISC-V instruction set architecture List-Archive: https://lists.freebsd.org/archives/freebsd-riscv List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-riscv@freebsd.org X-BeenThere: freebsd-riscv@freebsd.org MIME-Version: 1.0 References: <7A8DC6C8-9582-455C-B05D-9F24838A9070@thechauhan.dev> <9992B290-04CA-485C-A79B-5CDFC8AA917D@fer.hr> In-Reply-To: From: Himanshu Chauhan Date: Tue, 9 Jan 2024 00:22:24 +0530 Message-ID: Subject: Re: Calling a function on other CPUs in an SMP machine To: =?UTF-8?Q?Bojan_Novkovi=C4=87?= Cc: freebsd-riscv@freebsd.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 4T838j5LmPz4G1Z X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US] Thanks! That's exactly what I was looking for. Regards Himanshu On Mon, 8 Jan 2024 at 20:51, Bojan Novkovi=C4=87 wrot= e: > > On Mon, Jan 8, 2024 at 3:49=E2=80=AFPM Himanshu Chauhan wrote: >> >> What is the best way to call a function (like a per-cpu setup function f= rom a driver) on remote CPUs in an SMP machine? > > The 'smp_rendezvous{_cpu}' functions in 'sys/smp.h' are what you are look= ing for. > They are not listed in the manpages, but you can find more information ab= out them in 'kern/subr_smp.c'. > > Bojan