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 01A7BC433EF for ; Sun, 24 Jul 2022 12:25:55 +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:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=hKILd7HyYrz2abpzn3ZzGAS6/oI+zSBPYoR+j+MJAsM=; b=2KPWhwYf4zv8B0 n84HNyVtEA+tpxrbTkj9LAhC1aOoJ51hHtQYoChHQ52f86DTgf0ds+LHf/yzjkX/onIVWecoHYIbS TLVsEeirvn4rG958Lqp7x6JENbg2pmFxq1mE4HHu/xCXbQa0D7M4VMJCirRCrxyeRV067+Wp8Y58p Z6FCipFiTULlJdVIlVqhHZ/w06da2/ixzUr8bzEkkr+2fyD9ZmlXNhq2HZXzgnBmO1LhYZcQWQLLV SKTzmSrAYi++Yseu2wbswayoaY0qaVMfxywTks0Ydhju+Hl4WlqQZiGU5311/lbYJkevIC1Xyot1y pd8ZwAk4W1jfv4a04K9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oFag0-0060WK-CG; Sun, 24 Jul 2022 12:25:40 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oFafx-0060SD-M9 for linux-riscv@lists.infradead.org; Sun, 24 Jul 2022 12:25:39 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B44D26104E; Sun, 24 Jul 2022 12:25:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 044BFC3411E; Sun, 24 Jul 2022 12:25:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1658665529; bh=VOfIGOKOIXbu6EDdNFw/8vizu/PSUWKWc6UVcQMVnGE=; h=From:To:Cc:Subject:Date:From; b=efLfBEYZsSFKPN6u5/CEpHEVMsFM8IMrsdKMwhaZenOXF4ytT2A9He34zJ0Ug3KtO AoCRH3/HLhkVF9aD6zoM0+jKnaNYfuqTemOx/6C+Vt6YiCA4RCAxGYwmNaNjXptH/T vbgSJQodLjJyYFwfC3kNrY9lqzkeF61ShwdWIAQ7LfN3qIW5WPRb0r/zGGP47kQfMX +hCc1kZRGoJ3RjUqiLbxi2uqCyPmWQzY+g5nRzUslpLOw3hP8706XLsTJOy0GDbssb DvX18uFS2wqmYlSL1fvXUgyP4nB2UL+0BV4Hpv+yYmoGbTG4odbj/xA2qXGOpygOpd IFu4GllAi2uWg== From: guoren@kernel.org To: palmer@rivosinc.com, heiko@sntech.de, hch@infradead.org, arnd@arndb.de, peterz@infradead.org, will@kernel.org, boqun.feng@gmail.com, longman@redhat.com, mingo@redhat.com, philipp.tomsich@vrull.eu, cmuellner@linux.com, linux-kernel@vger.kernel.org, David.Laight@ACULAB.COM Cc: linux-riscv@lists.infradead.org, linux-csky@vger.kernel.org, Guo Ren Subject: [PATCH V8 00/10] arch: Add qspinlock support with combo style Date: Sun, 24 Jul 2022 08:25:07 -0400 Message-Id: <20220724122517.1019187-1-guoren@kernel.org> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220724_052537_852588_61477B9B X-CRM114-Status: GOOD ( 14.46 ) X-BeenThere: linux-riscv@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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org RnJvbTogR3VvIFJlbiA8Z3VvcmVuQGxpbnV4LmFsaWJhYmEuY29tPgoKRW5hYmxlIHFzcGlubG9j ayBhbmQgbWVldCB0aGUgcmVxdWlyZW1lbnRzIG1lbnRpb25lZCBpbiBhOGFkMDdlNTI0MGM5Cigi YXNtLWdlbmVyaWM6IHFzcGlubG9jazogSW5kaWNhdGUgdGhlIHVzZSBvZiBtaXhlZC1zaXplIGF0 b21pY3MiKS4KClJJU0MtViBMUi9TQyBwYWlycyBjb3VsZCBwcm92aWRlIGEgc3Ryb25nL3dlYWsg Zm9yd2FyZCBndWFyYW50ZWUgdGhhdApkZXBlbmRzIG9uIG1pY3JvLWFyY2hpdGVjdHVyZS4gQW5k IFJJU0MtViBJU0Egc3BlYyBoYXMgZ2l2ZW4gb3V0CnNldmVyYWwgbGltaXRhdGlvbnMgdG8gbGV0 IGhhcmR3YXJlIHN1cHBvcnQgc3RyaWN0IGZvcndhcmQgZ3VhcmFudGVlCihSSVNDLVYgVXNlciBJ U0EgLSA4LjMgRXZlbnR1YWwgU3VjY2VzcyBvZiBTdG9yZS1Db25kaXRpb25hbApJbnN0cnVjdGlv bnMpOgpXZSByZXN0cmljdGVkIHRoZSBsZW5ndGggb2YgTFIvU0MgbG9vcHMgdG8gZml0IHdpdGhp biA2NCBjb250aWd1b3VzCmluc3RydWN0aW9uIGJ5dGVzIGluIHRoZSBiYXNlIElTQSB0byBhdm9p ZCB1bmR1ZSByZXN0cmljdGlvbnMgb24KaW5zdHJ1Y3Rpb24gY2FjaGUgYW5kIFRMQiBzaXplIGFu ZCBhc3NvY2lhdGl2aXR5LiBTaW1pbGFybHksIHdlCmRpc2FsbG93ZWQgb3RoZXIgbG9hZHMgYW5k IHN0b3JlcyB3aXRoaW4gdGhlIGxvb3BzIHRvIGF2b2lkIHJlc3RyaWN0aW9ucwpvbiBkYXRhLWNh Y2hlIGFzc29jaWF0aXZpdHkgaW4gc2ltcGxlIGltcGxlbWVudGF0aW9ucyB0aGF0IHRyYWNrIHRo ZQpyZXNlcnZhdGlvbiB3aXRoaW4gYSBwcml2YXRlIGNhY2hlLiBUaGUgcmVzdHJpY3Rpb25zIG9u IGJyYW5jaGVzIGFuZApqdW1wcyBsaW1pdCB0aGUgdGltZSB0aGF0IGNhbiBiZSBzcGVudCBpbiB0 aGUgc2VxdWVuY2UuIEZsb2F0aW5nLXBvaW50Cm9wZXJhdGlvbnMgYW5kIGludGVnZXIgbXVsdGlw bHkvZGl2aWRlIHdlcmUgZGlzYWxsb3dlZCB0byBzaW1wbGlmeSB0aGUKb3BlcmF0aW5nIHN5c3Rl beKAmXMgZW11bGF0aW9uIG9mIHRoZXNlIGluc3RydWN0aW9ucyBvbiBpbXBsZW1lbnRhdGlvbnMK bGFja2luZyBhcHByb3ByaWF0ZSBoYXJkd2FyZSBzdXBwb3J0LgpTb2Z0d2FyZSBpcyBub3QgZm9y YmlkZGVuIGZyb20gdXNpbmcgdW5jb25zdHJhaW5lZCBMUi9TQyBzZXF1ZW5jZXMsIGJ1dApwb3J0 YWJsZSBzb2Z0d2FyZSBtdXN0IGRldGVjdCB0aGUgY2FzZSB0aGF0IHRoZSBzZXF1ZW5jZSByZXBl YXRlZGx5CmZhaWxzLCB0aGVuIGZhbGwgYmFjayB0byBhbiBhbHRlcm5hdGUgY29kZSBzZXF1ZW5j ZSB0aGF0IGRvZXMgbm90IHJlbHkKb24gYW4gdW5jb25zdHJhaW5lZCBMUi9TQyBzZXF1ZW5jZS4g SW1wbGVtZW50YXRpb25zIGFyZSBwZXJtaXR0ZWQgdG8KdW5jb25kaXRpb25hbGx5IGZhaWwgYW55 IHVuY29uc3RyYWluZWQgTFIvU0Mgc2VxdWVuY2UuCgplZzoKU29tZSByaXNjdiBoYXJkd2FyZSBz dWNoIGFzIEJPT012MyAmIFhpYW5nU2hhbiBjb3VsZCBwcm92aWRlIHN0cmljdCAmCnN0cm9uZyBm b3J3YXJkIGd1YXJhbnRlZSAoVGhlIGNhY2hlIGxpbmUgd291bGQgYmUga2VwdCBpbiBhbiBleGNs dXNpdmUKc3RhdGUgZm9yIEJhY2tvZmYgY3ljbGVzLCBhbmQgb25seSB0aGlzIGNvcmUncyBpbnRl cnJ1cHQgY291bGQgYnJlYWsKdGhlIExSL1NDIHBhaXIpLgpRZW11IHJpc2N2IGdpdmUgYSB3ZWFr IGZvcndhcmQgZ3VhcmFudGVlIGJ5IHdyb25nIGltcGxlbWVudGF0aW9uCmN1cnJlbnRseSBbMV0u CgpBZGQgY29tYm8gc3BpbmxvY2sgKHRpY2tldCAmIHF1ZXVlZCkgc3VwcG9ydApTb21lIGFyY2hp dGVjdHVyZSBoYXMgYSBmbGV4aWJsZSByZXF1aXJlbWVudCBvbiB0aGUgdHlwZSBvZiBzcGlubG9j ay4KU29tZSBMTC9TQyBhcmNoaXRlY3R1cmVzIG9mIElTQSBkb24ndCBmb3JjZSBtaWNyby1hcmNo IHRvIGdpdmUgYSBzdHJvbmcKZm9yd2FyZCBndWFyYW50ZWUuIFRodXMgZGlmZmVyZW50IGtpbmRz IG9mIG1lbW9yeSBtb2RlbCBtaWNyby1hcmNoIHdvdWxkCmNvbWUgb3V0IGluIG9uZSBJU0EuIFRo ZSB0aWNrZXQgbG9jayBpcyBzdWl0YWJsZSBmb3IgZXhjbHVzaXZlIG1vbml0b3IKZGVzaWduZWQg TEwvU0MgbWljcm8tYXJjaCB3aXRoIGxpbWl0ZWQgY29yZXMgYW5kICIhTlVNQSIuIFRoZQpxdWV1 ZS1zcGlubG9jayBjb3VsZCBkZWFsIHdpdGggTlVNQS9sYXJnZS1zY2FsZSBzY2VuYXJpb3Mgd2l0 aCBhIHN0cm9uZwpmb3J3YXJkIGd1YXJhbnRlZSBkZXNpZ25lZCBMTC9TQyBtaWNyby1hcmNoLgoK VGhlIGZpcnN0IHRyeSBvZiBxc3BpbmxvY2sgZm9yIHJpc2N2IHdhcyBtYWRlIGluIDIwMTkuMSBb Ml0uCgpbMV0gaHR0cHM6Ly9naXRodWIuY29tL3FlbXUvcWVtdS9ibG9iL21hc3Rlci90YXJnZXQv cmlzY3YvaW5zbl90cmFucy90cmFuc19ydmEuYy5pbmMKWzJdIGh0dHBzOi8vbG9yZS5rZXJuZWwu b3JnL2xpbnV4LXJpc2N2LzIwMTkwMjExMDQzODI5LjMwMDk2LTEtbWljaGFlbGpjbGFya0BtYWMu Y29tLyNyCgpDaGFuZ2VzIGluIFY4OgogLSBDb2RpbmcgY29udmVudGlvbiB0aWNrZXQgZml4dXAK IC0gTW92ZSBjb21ibyBzcGlubG9jayBpbnRvIHJpc2N2IGFuZCBzaW1wbHkgYXNtLWdlbmVyaWMv c3BpbmxvY2suaAogLSBGaXh1cCB4Y2hnMTYgd2l0aCB3cm9uZyByZXR1cm4gdmFsdWUKIC0gQWRk IGNza3kgcXNwaW5sb2NrCiAtIEFkZCBjb21ibyAmIHFzcGlubG9jayAmIHRpY2tldC1sb2NrIGNv bXBhcmlzb24KIC0gQ2xlYW4gdXAgdW5uZWNlc3NhcnkgcmlzY3YgYWNxdWlyZSBhbmQgcmVsZWFz ZSBkZWZpbml0aW9ucwogLSBFbmFibGUgQVJDSF9JTkxJTkVfUkVBRCovV1JJVEUqL1NQSU4qIGZv ciByaXNjdiAmIGNza3kKCkNoYW5nZXMgaW4gVjc6CiAtIEFkZCBjb21ibyBzcGlubG9jayAodGlj a2V0ICYgcXVldWVkKSBzdXBwb3J0CiAtIFJlbmFtZSB0aWNrZXRfc3BpbmxvY2suaAogLSBSZW1v dmUgdW5uZWNlc3NhcnkgYXRvbWljX3JlYWQgaW4gdGlja2V0X3NwaW5fdmFsdWVfdW5sb2NrZWQg IAoKQ2hhbmdlcyBpbiBWNjoKIC0gRml4dXAgQ2xhbmcgY29tcGlsZSBwcm9ibGVtIFJlcG9ydGVk LWJ5OiBrZXJuZWwgdGVzdCByb2JvdAogICA8bGtwQGludGVsLmNvbT4KIC0gQ2xlYW51cCBhc20t Z2VuZXJpYy9zcGlubG9jay5oCiAtIFJlbW92ZSBjaGFuZ2Vsb2cgaW4gcGF0Y2ggbWFpbiBjb21t ZW50IHBhcnQsIHN1Z2dlc3RlZCBieQogICBDb25vci5Eb29sZXlAbWljcm9jaGlwLmNvbQogLSBS ZW1vdmUgImRlZmF1bHQgeSBpZiBOVU1BIiBpbiBLY29uZmlnCgpDaGFuZ2VzIGluIFY1OgogLSBV cGRhdGUgY29tbWVudCB3aXRoIFJJU0MtViBmb3J3YXJkIGd1YXJhbnRlZSBmZWF0dXJlLgogLSBC YWNrIHRvIFYzIGRpcmVjdGlvbiBhbmQgb3B0aW1pemUgYXNtIGNvZGUuCgpDaGFuZ2VzIGluIFY0 OgogLSBSZW1vdmUgY3VzdG9tIHN1Yi13b3JkIHhjaGcgaW1wbGVtZW50YXRpb24KIC0gQWRkIEFS Q0hfVVNFX1FVRVVFRF9TUElOTE9DS1NfWENIRzMyIGluIGxvY2tpbmcvcXNwaW5sb2NrCgpDaGFu Z2VzIGluIFYzOgogLSBDb2RpbmcgY29udmVudGlvbiBieSBQZXRlciBaaWpsc3RyYSdzIGFkdmlj ZXMKCkNoYW5nZXMgaW4gVjI6CiAtIENvZGluZyBjb252ZW50aW9uIGluIGNtcHhjaGcuaAogLSBS ZS1pbXBsZW1lbnQgc2hvcnQgeGNoZwogLSBSZW1vdmUgY2hhciAmIGNtcHhjaGcgaW1wbGVtZW50 YXRpb25zCgotLS0KCkd1byBSZW4gKDIpOgogIGFzbS1nZW5lcmljOiBzcGlubG9jazogTW92ZSBx c3BpbmxvY2sgJiB0aWNrZXQtbG9jayBpbnRvIGdlbmVyaWMgc3BpbmxvY2suaAogIHJpc2N2OiBB ZGQgcXNwaW5sb2NrIHN1cHBvcnQKCkd1byBSZW4gKDUpOgogIGFzbS1nZW5lcmljOiB0aWNrZXQt bG9jazogUmVtb3ZlIHVubmVjZXNzYXJ5IGF0b21pY19yZWFkCiAgYXNtLWdlbmVyaWM6IHRpY2tl dC1sb2NrOiBVc2UgdGhlIHNhbWUgc3RydWN0IGRlZmluaXRpb25zIHdpdGggcXNwaW5sb2NrCiAg YXNtLWdlbmVyaWM6IHRpY2tldC1sb2NrOiBNb3ZlIGludG8gdGlja2V0X3NwaW5sb2NrLmgKICBh c20tZ2VuZXJpYzogc3BpbmxvY2s6IEFkZCBjb21ibyBzcGlubG9jayAodGlja2V0ICYgcXVldWVk KQogIHJpc2N2OiBBZGQgcXNwaW5sb2NrIHN1cHBvcnQKCgpHdW8gUmVuICgxMCk6CiAgYXNtLWdl bmVyaWM6IHRpY2tldC1sb2NrOiBSZW1vdmUgdW5uZWNlc3NhcnkgYXRvbWljX3JlYWQKICBhc20t Z2VuZXJpYzogdGlja2V0LWxvY2s6IFVzZSB0aGUgc2FtZSBzdHJ1Y3QgZGVmaW5pdGlvbnMgd2l0 aCBxc3BpbmxvY2sKICBhc20tZ2VuZXJpYzogdGlja2V0LWxvY2s6IE1vdmUgaW50byB0aWNrZXRf c3BpbmxvY2suaAogIGFzbS1nZW5lcmljOiBzcGlubG9jazogQWRkIHF1ZXVlZCBzcGlubG9jayBz dXBwb3J0IGluIGNvbW1vbiBoZWFkZXIKICByaXNjdjogRW5hYmxlIEFSQ0hfSU5MSU5FX1JFQUQq L1dSSVRFKi9TUElOKgogIHJpc2N2OiBhdG9taWM6IENsZWFuIHVwIHVubmVjZXNzYXJ5IGFjcXVp cmUgYW5kIHJlbGVhc2UgZGVmaW5pdGlvbnMKICByaXNjdjogQWRkIHFzcGlubG9jayBzdXBwb3J0 CiAgcmlzY3Y6IEFkZCBjb21ibyBzcGlubG9jayBzdXBwb3J0CiAgY3NreTogRW5hYmxlIEFSQ0hf SU5MSU5FX1JFQUQqL1dSSVRFKi9TUElOKgogIGNza3k6IEFkZCBxc3BpbmxvY2sgc3VwcG9ydAoK IGFyY2gvY3NreS9LY29uZmlnICAgICAgICAgICAgICAgICAgICAgfCAgNDIgKysrKysrKysrCiBh cmNoL2Nza3kvaW5jbHVkZS9hc20vS2J1aWxkICAgICAgICAgIHwgICAyICsKIGFyY2gvY3NreS9p bmNsdWRlL2FzbS9jbXB4Y2hnLmggICAgICAgfCAgMjAgKysrKwogYXJjaC9yaXNjdi9LY29uZmln ICAgICAgICAgICAgICAgICAgICB8ICA0OSArKysrKysrKysrCiBhcmNoL3Jpc2N2L2luY2x1ZGUv YXNtL0tidWlsZCAgICAgICAgIHwgICAzICstCiBhcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL2F0b21p Yy5oICAgICAgIHwgIDE5IC0tLS0KIGFyY2gvcmlzY3YvaW5jbHVkZS9hc20vY21weGNoZy5oICAg ICAgfCAxMjkgKysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KIGFyY2gvcmlzY3YvaW5jbHVkZS9h c20vc3BpbmxvY2suaCAgICAgfCAgNzcgKysrKysrKysrKysrKysrCiBhcmNoL3Jpc2N2L2tlcm5l bC9zZXR1cC5jICAgICAgICAgICAgIHwgIDIyICsrKysrCiBpbmNsdWRlL2FzbS1nZW5lcmljL3Nw aW5sb2NrLmggICAgICAgIHwgIDg5ICstLS0tLS0tLS0tLS0tLS0tLQogaW5jbHVkZS9hc20tZ2Vu ZXJpYy9zcGlubG9ja190eXBlcy5oICB8ICAxMiArLS0KIGluY2x1ZGUvYXNtLWdlbmVyaWMvdGlj a2V0X3NwaW5sb2NrLmggfCAxMDMgKysrKysrKysrKysrKysrKysrKysKIDEyIGZpbGVzIGNoYW5n ZWQsIDMzOSBpbnNlcnRpb25zKCspLCAyMjggZGVsZXRpb25zKC0pCiBjcmVhdGUgbW9kZSAxMDA2 NDQgYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9zcGlubG9jay5oCiBjcmVhdGUgbW9kZSAxMDA2NDQg aW5jbHVkZS9hc20tZ2VuZXJpYy90aWNrZXRfc3BpbmxvY2suaAoKLS0gCjIuMzYuMQoKCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2IG1h aWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5p bmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK