Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp3604218ybt; Tue, 23 Jun 2020 06:33:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw7TcK4xG8HAeFZgWhBW5rvFFlqB/kjLNLguL96rttQlnRBUjjf/8z2rA9862d7d+9Flq3h X-Received: by 2002:a17:906:4086:: with SMTP id u6mr3373112ejj.9.1592919226291; Tue, 23 Jun 2020 06:33:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592919226; cv=none; d=google.com; s=arc-20160816; b=RQ64DGqxIz+kFSP0aMqahJaj/jJS51tx/xaQgO09Cy3L+EZ4Vc4vjqLHfW/ul6yuIS ZNemmMXldC+Ifx6aT97Rkyges9wYvN/uBxI0k/vFG5RIez5iT1qqBTxtbeACPj5nang6 DR9CewNGsx4Wd4xxQBm0NAxgdOIlV2dINu90BlDk9cqhSQTVWyYAscca8J4c9PaxCLt0 dZJC+NODCCdA8QUHF/7DwVK7QVmSFojhEK+5bsc9kGg8FOpVKHTUBjDVNpCJkfnZPEG6 ebrUXQO8Hkf5escuCjms982ywZ4L2rVhGy9nbYY9QMlEdbfldFZtLSqUHzYluByy41LQ xPdA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:to:from:dkim-signature; bh=PVBNJVgIh+vVxMtbdgm71jq0Zz2CQKK6+qEFaR+z8+Y=; b=GVGbcYdTya5JGdX1Y4+U7q1yMfs8ubbvFFrrzqHPzR9lu0wCSe0FclJZ/ufo19tdoK 9HY6HD1uvwFN+ImZ+cJcdIO7pHXd+u1RodlrLPovUNnH6hJiU6cxKvfNuGZXjDf2m+p4 +Ox5KSPtK3lmahr6ZseUP2eMWFH+cCKG4THOhX3+4CR6YnoDdWRrwLd0X+BEYuf2YlXh 1fOWrByI+I2NYRacPsrm2Kn6tItoDwIEDCcvsVKJScp7gFf2TPXPYthKKbuuZumzgvup owvxtFybfonXbzS4hV4pJaCggixD6wC4LsdpOfusFLIEaEt0SBqDn4I32BnIHm6Hj5Ra vDMA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@sifive.com header.s=google header.b="ZyUq2l/x"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id j22si4947314ejv.451.2020.06.23.06.33.22; Tue, 23 Jun 2020 06:33:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@sifive.com header.s=google header.b="ZyUq2l/x"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732702AbgFWN27 (ORCPT + 99 others); Tue, 23 Jun 2020 09:28:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732597AbgFWN26 (ORCPT ); Tue, 23 Jun 2020 09:28:58 -0400 Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C872C061573 for ; Tue, 23 Jun 2020 06:28:58 -0700 (PDT) Received: by mail-pf1-x442.google.com with SMTP id p11so1406524pff.11 for ; Tue, 23 Jun 2020 06:28:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=PVBNJVgIh+vVxMtbdgm71jq0Zz2CQKK6+qEFaR+z8+Y=; b=ZyUq2l/xke53S4qo4NAs41PKzd/Bp8m7rpz0UAAWrxACkMQsISpKBy8fmLd9LAlnBA kgsU1YCRx8zkIiBCKvXhqQ2D1zcBYdrlSraatfI0WpBHZf0hIGVlowcZMe//Kawo4GYS Tb0y0kuRs1ZiyGuRnucAHC7dxPjr85X+IH8+l5XFcnKsScagIBFLR1ChFp3r1u9XqtES W+8naG9rsG6gPFeyF7lMqJWlZ4posLIQ01YFC/FImYClSG6GKZGFWcwV1N7NDh6J5UvM TdRWq1C6hVwkTQ9zNyqh0WzJPJyshUX7L6fsAz67rpR1BKERMMbnYZRV4MZiaz48u2ww gZRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=PVBNJVgIh+vVxMtbdgm71jq0Zz2CQKK6+qEFaR+z8+Y=; b=TCbGGwx3qAoLcUJ9Dg6D1Vh0BEDWkM4DdgSQOowiS3PZ6GS0JybV6Swaz5KaPxp5x/ dr8CFMNLZy6oUdUue+ybfghnoPv7Jn7kdjZNUB2H293GvBhZABLqj7CqH/JXeU4akYdP GdmjIYIfWyH4T6zRMWIonEzAOPESh6SFcswFtzS0GrsRMWnz2x3DLTi4vh1Nr38dnOLX xLm8UG9wMh+aXhnMr+kLPsCBtkFjQp5zfVmk7trUoiBAE17AYvigDBRJ7gquJ/NSrk5f 9fe6cE/WLP9C7FD2VyUAJbd4yY0Wq3hpUI053/ZHgLr5ZlLRvjs5vXiu5rjkYjYT6fS4 sBzg== X-Gm-Message-State: AOAM533uo1alUhXpMtXOiv17OKqaKgkmr8eAuT7+Aqn7pjRaVAl/TDwt yqBHNrVAnDUTRvN+89UBfDefBLeExWU= X-Received: by 2002:a05:6a00:807:: with SMTP id m7mr25788176pfk.246.1592918937913; Tue, 23 Jun 2020 06:28:57 -0700 (PDT) Received: from hsinchu02.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id z19sm1670602pjn.55.2020.06.23.06.28.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 Jun 2020 06:28:57 -0700 (PDT) From: Greentime Hu To: greentime.hu@sifive.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, aou@eecs.berkeley.edu, palmer@dabbelt.com, paul.walmsley@sifive.com, guoren@linux.alibaba.com Subject: [PATCH 0/2] riscv: Add context tracker support Date: Tue, 23 Jun 2020 21:28:50 +0800 Message-Id: X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset adds support for irq_work via self IPI and context tracking. It is tested in qemu-system-riscv64 and SiFive HiFive Unleashed board based on v5.8-rc2. Greentime Hu (2): riscv: Support irq_work via self IPIs riscv: Enable context tracking arch/riscv/Kconfig | 1 + arch/riscv/include/asm/irq_work.h | 10 ++++++++++ arch/riscv/kernel/entry.S | 23 +++++++++++++++++++++++ arch/riscv/kernel/smp.c | 15 +++++++++++++++ 4 files changed, 49 insertions(+) create mode 100644 arch/riscv/include/asm/irq_work.h -- 2.27.0