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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 B4D16C433E3 for ; Mon, 29 Mar 2021 09:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7DA0061581 for ; Mon, 29 Mar 2021 09:06:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235967AbhC2JG2 (ORCPT ); Mon, 29 Mar 2021 05:06:28 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:14178 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235947AbhC2IwY (ORCPT ); Mon, 29 Mar 2021 04:52:24 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.58]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4F85qZ4FH2zmbHX; Mon, 29 Mar 2021 16:49:46 +0800 (CST) Received: from DESKTOP-FPN2511.china.huawei.com (10.174.187.192) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Mon, 29 Mar 2021 16:52:15 +0800 From: Jingyi Wang To: , CC: , , , , , Subject: [RFC PATCH 0/3] arm: Some IPI injection optimization Date: Mon, 29 Mar 2021 16:52:07 +0800 Message-ID: <20210329085210.11524-1-wangjingyi11@huawei.com> X-Mailer: git-send-email 2.14.1.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.187.192] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series optimize arm IPI injection process by making use of ICC_SGI1R IRM bit and implementing gic_ipi_send_single(). Jingyi Wang (3): irqchip/gic-v3: Make use of ICC_SGI1R IRM bit irqchip/gic-v3: Implement gic_ipi_send_single() arm/arm64: Use gic_ipi_send_single() to inject single IPI arch/arm/kernel/smp.c | 16 +++++++++++++--- arch/arm64/kernel/smp.c | 16 +++++++++++++--- drivers/irqchip/irq-gic-v3.c | 34 ++++++++++++++++++++++++++++++++++ 3 files changed, 60 insertions(+), 6 deletions(-) -- 2.19.1