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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 66629ECAAD8 for ; Wed, 21 Sep 2022 07:47:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Subject:References: In-Reply-To:Message-ID:Cc:To:From:Date:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=XkehzBPcW3kvi6cWmHvPl567WS6STDGVdsgnovry/mI=; b=Dn6O0e84aWnJiB+8H9nzqdCSdc 9Lo2+7knZoS3qSYg2qzPpiM2xYQUQ/ylUn1nrKjmbd5Q49a/mO5IexXRBaJoG5ci1NcsI1tRC+jfT rS5ZVu7AqlpsqKASTt2amyJeRXbq6ekkyOZF2zHrs8tZAiYXxWfgMgAEZT7R/H61tkGQU5a4PbrH+ mxXV/glKvJXosBHvH6QAUjRr09kZiONqHVyLbK0hm97+wG+Xv1QERCeE9JDjl68SRoXYtOz/BZ0w+ FVvMAjADamlCCFL0OAv/TjzRjXE8dhSmXLv0cUPhMeuDSlFFf8oEjSYEd95oI2VL/DvGJEnjnG9w3 6iV/2Thg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oauQu-009fm3-Vw; Wed, 21 Sep 2022 07:46:13 +0000 Received: from sender4-op-o18.zoho.com ([136.143.188.18]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oauQY-009fZS-BM for linux-arm-kernel@lists.infradead.org; Wed, 21 Sep 2022 07:45:51 +0000 ARC-Seal: i=1; a=rsa-sha256; t=1663746332; cv=none; d=zohomail.com; s=zohoarc; b=fyhLLDE63kyWIwT0pZD0DfRC6nL4mBKNoh0q+fJXTiLyUMsAn4/SZDvwir3aJ+CsYnX1WzA5dwgyceiVJ994Pcma7UWxTLozIwDxS5JlSNqJvvmu88bEl0n2Jq3OOBl/W4+aEEuXzdsy5TgQdxQFQjeOI/6EiJyDyj9QfcLF9PI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1663746332; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:To; bh=juU/I2bYHmtwfySU8T5bgO6lZFmVHYlI59Zz0v6QLys=; b=lqcjElSbSDr9WCMUxtOKeNn3ICL4WXIGLnAjj33bXRYLEMGT08ndtS1JzNRkS/Pvml/Scb1TKk/eDYxEGtYEKGJ1hm1GZmp2S95kxyrQ+Zni4NXkrVuiWpMbWTdxb20sfobJFY5V9qhD6FNWvJKJHJRvqzKNfKbTjDKrhWMqffw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=linux.beauty; spf=pass smtp.mailfrom=me@linux.beauty; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1663746332; s=zmail; d=linux.beauty; i=me@linux.beauty; h=Date:Date:From:From:To:To:Cc:Cc:Message-ID:In-Reply-To:References:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=juU/I2bYHmtwfySU8T5bgO6lZFmVHYlI59Zz0v6QLys=; b=f8nk0hjsxGFPNTmcdJ1SUCjB7laT+U9y6jlf6cWhWVTrKEbBnh64uYbTooMc4gwy mH+J06V3Oe8gTqsiFUDcRijMInyTvI+S4KsuphRtUL+AmZHtAuaWuNK6P7W7XwTkf3+ NaEWQRgE2fueHZX01exznFllS/Pfbi5nP6mnNTEk= Received: from mail.zoho.com by mx.zohomail.com with SMTP id 166374633164640.89900216747094; Wed, 21 Sep 2022 00:45:31 -0700 (PDT) Date: Wed, 21 Sep 2022 09:45:31 +0200 From: Li Chen To: "Russell King (Oracle)" Cc: "arnd bergmann" , "linux-arm-kernel" Message-ID: <1835f0253ef.e6c053261632431.8825624385043045462@linux.beauty> In-Reply-To: References: <183588fd5a7.1074ac6241209386.2442883306267550831@linux.beauty> <45d1a6b4-eb28-4392-84a3-d30a2f8e150a@www.fastmail.com> <1835a49844d.111e968dc1302721.8856919484302602882@linux.beauty> <1835de59d71.11f05fad11576394.1145073103918319714@linux.beauty> Subject: Re: Why GICD_ITARGETSR is not used by Linux MIME-Version: 1.0 Importance: Medium User-Agent: Zoho Mail X-Mailer: Zoho Mail X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220921_004550_468228_73124D42 X-CRM114-Status: GOOD ( 18.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Russell, ---- On Wed, 21 Sep 2022 09:26:11 +0200 Russell King (Oracle) wrote --- > On Wed, Sep 21, 2022 at 04:34:32AM +0200, Li Chen wrote: > > Hi Russell, > > > > ---- On Tue, 20 Sep 2022 12:14:24 +0200 Russell King (Oracle) wrote --- > > > On Tue, Sep 20, 2022 at 11:09:38AM +0100, Russell King (Oracle) wrote: > > > Oh, I just remembered an additional detail. There was the irqbalance > > > daemon that used to work at that time which would do the distribution > > > from userspace - and it knew various policies about interrupts that > > > were found to be beneficial on x86. Such as not moving busy ethernet > > > interrupts amongst the CPUs due to networking paths being "hot" in the > > > cache, vs other interrupts where that didn't matter so much. > > > > Can you help paste the irqbalance daemon project link? I want to learn more > > about it, thanks. > > Searching google for "irqbalance source" gives me as the first link: > > https://github.com/Irqbalance/irqbalance Ah, I wasn't aware that the project itself is just a daemon, thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel