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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 96957C433EF for ; Wed, 13 Oct 2021 03:27:27 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 393D5603E8 for ; Wed, 13 Oct 2021 03:27:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 393D5603E8 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org 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:References:In-Reply-To: Message-ID:Subject: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=okD+65lmVq+yERzYtlhnPiAqMdPK9VG4DAD/A/kfrKM=; b=xumweQHUuUAOiW SfLxGY7zFMDm44BTVREjTyHlmxi7WHMb3MgzwifwqHgNOm/a0eFilUNPApenFhr9TckEiNW2fP9gy MPebwS3x7SbjsobRTFVpKqZXocKvv9HqVza0j3FAtuXyZkcrc6gFSMfG09hxfClixK3/GQCtf7hwq 8KJ/TsOyyfMXA4m6dDxXctuIh4hML/L4q+nGuwvF97hz5yno7EcGnj5UkKyvAfJFTNxaykOjdUnA7 sijj/LRJh5zbMXfiBffaRE9kVyrWrshEMt0hZLTV8fVoUT/2s3COXx9ivewPidZXPA05zpx6GUwj6 TT2c7FJnb/E6pnFn1KBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1maUv5-00EjEG-79; Wed, 13 Oct 2021 03:27:07 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1maUv2-00EjCz-0e for linux-riscv@lists.infradead.org; Wed, 13 Oct 2021 03:27:05 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 8D494603E8; Wed, 13 Oct 2021 03:27:00 +0000 (UTC) Date: Tue, 12 Oct 2021 23:26:58 -0400 From: Steven Rostedt To: =?UTF-8?B?546L6LSH?= Cc: Guo Ren , Ingo Molnar , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Thomas Gleixner , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Colin Ian King , Masami Hiramatsu , "Peter Zijlstra (Intel)" , Nicholas Piggin , Jisheng Zhang , linux-csky@vger.kernel.org, linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, live-patching@vger.kernel.org Subject: Re: [PATCH v2 0/2] fix & prevent the missing preemption disabling Message-ID: <20211012232658.7dac3f43@oasis.local.home> In-Reply-To: <1a8e8d73-b508-f90b-0d82-eb2da45a720e@linux.alibaba.com> References: <8c7de46d-9869-aa5e-2bb9-5dbc2eda395e@linux.alibaba.com> <1a8e8d73-b508-f90b-0d82-eb2da45a720e@linux.alibaba.com> X-Mailer: Claws Mail 3.18.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211012_202704_140304_6D67DCF0 X-CRM114-Status: GOOD ( 13.58 ) 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 UGxlYXNlIHN0YXJ0IGEgbmV3IHRocmVhZCB3aGVuIHNlbmRpbmcgbmV3IHZlcnNpb25zLiB2MiBz aG91bGQgbm90IGJlIGEKcmVwbHkgdG8gdjEuIElmIHlvdSB3YW50IHRvIHJlZmVyZW5jZSB2MSwg anVzdCBhZGQgaXQgdG8gdGhlIGNvdmVyCmxldHRlciB3aXRoIGEgbGluayB0YWc6CgpMaW5rOiBo dHRwczovL2xvcmUua2VybmVsLm9yZy9hbGwvOGM3ZGU0NmQtOTg2OS1hYTVlLTJiYjktNWRiYzJl ZGEzOTVlQGxpbnV4LmFsaWJhYmEuY29tLwoKLS0gU3RldmUKCgpPbiBXZWQsIDEzIE9jdCAyMDIx IDExOjE2OjU2ICswODAwCueOi+i0hyA8eXVuLndhbmdAbGludXguYWxpYmFiYS5jb20+IHdyb3Rl OgoKPiBUaGUgdGVzdGluZyBzaG93IHRoYXQgcGVyZl9mdHJhY2VfZnVuY3Rpb25fY2FsbCgpIGFy ZSB1c2luZyBzbXBfcHJvY2Vzc29yX2lkKCkKPiB3aXRoIHByZWVtcHRpb24gZW5hYmxlZCwgYWxs IHRoZSBjaGVja2luZyBvbiBDUFUgY291bGQgYmUgd3JvbmcgYWZ0ZXIgcHJlZW1wdGlvbi4KPiAK PiBBcyBQZXRlciBwb2ludCBvdXQsIHRoZSBzZWN0aW9uIGJldHdlZW4gZnRyYWNlX3Rlc3RfcmVj dXJzaW9uX3RyeWxvY2svdW5sb2NrKCkKPiBwYWlyIHJlcXVpcmUgdGhlIHByZWVtcHRpb24gdG8g YmUgZGlzYWJsZWQgYXMgJ0RvY3VtZW50YXRpb24vdHJhY2UvZnRyYWNlLXVzZXMucnN0Jwo+IGV4 cGxhaW5lZCwgYnV0IGN1cnJlbnRseSB0aGUgd29yayBpcyBkb25lIG91dHNpZGUgb2YgdGhlIGhl bHBlcnMuCj4gCj4gUGF0Y2ggMS8yIHdpbGwgbWFrZSBzdXJlIHByZWVtcHRpb24gZGlzYWJsZWQg YWZ0ZXIgdHJ5bG9jaygpIHN1Y2NlZWQsCj4gcGF0Y2ggMi8yIHdpbGwgZG8gc21wX3Byb2Nlc3Nv cl9pZCgpIGNoZWNraW5nIGFmdGVyIHRyeWxvY2sgdG8gYWRkcmVzcyB0aGUKPiBpc3N1ZS4KPiAK PiBNaWNoYWVsIFdhbmcgKDIpOgo+ICAgZnRyYWNlOiBkaXNhYmxlIHByZWVtcHRpb24gYmV0d2Vl biBmdHJhY2VfdGVzdF9yZWN1cnNpb25fdHJ5bG9jay91bmxvY2soKQo+ICAgZnRyYWNlOiBkbyBD UFUgY2hlY2tpbmcgYWZ0ZXIgcHJlZW1wdGlvbiBkaXNhYmxlZAo+IAo+ICBhcmNoL2Nza3kva2Vy bmVsL3Byb2Jlcy9mdHJhY2UuYyAgICAgfCAgMiAtLQo+ICBhcmNoL3BhcmlzYy9rZXJuZWwvZnRy YWNlLmMgICAgICAgICAgfCAgMiAtLQo+ICBhcmNoL3Bvd2VycGMva2VybmVsL2twcm9iZXMtZnRy YWNlLmMgfCAgMiAtLQo+ICBhcmNoL3Jpc2N2L2tlcm5lbC9wcm9iZXMvZnRyYWNlLmMgICAgfCAg MiAtLQo+ICBhcmNoL3g4Ni9rZXJuZWwva3Byb2Jlcy9mdHJhY2UuYyAgICAgfCAgMiAtLQo+ICBp bmNsdWRlL2xpbnV4L3RyYWNlX3JlY3Vyc2lvbi5oICAgICAgfCAyMiArKysrKysrKysrKysrKysr KysrKystCj4gIGtlcm5lbC9saXZlcGF0Y2gvcGF0Y2guYyAgICAgICAgICAgICB8ICA2IC0tLS0t LQo+ICBrZXJuZWwvdHJhY2UvdHJhY2VfZXZlbnRfcGVyZi5jICAgICAgfCAgNiArKystLS0KPiAg a2VybmVsL3RyYWNlL3RyYWNlX2Z1bmN0aW9ucy5jICAgICAgIHwgIDUgLS0tLS0KPiAgOSBmaWxl cyBjaGFuZ2VkLCAyNCBpbnNlcnRpb25zKCspLCAyNSBkZWxldGlvbnMoLSkKPiAKCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBtYWls aW5nIGxpc3QKbGludXgtcmlzY3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5m cmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg==