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 EB9DDC433FE for ; Fri, 30 Sep 2022 01:03:36 +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:In-Reply-To:From:References:CC:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=VGMCK/V3Kg3uMdm6DqPBE1X+nWBnXHvdZJ0mMoI1GSM=; b=gfHR32F3uVjvAa HzEdIbNALURRhHzwjf5m857zVKZ7COe+sRaG9eKCFBri8eN6YhQKkI4WsZ/DmO4ggCBTmpOc0ShEZ X56nhzs2/vqRt6ah7d/HGNC+3RG8Y84YeR2YLTWcIS/OWEGD7r4TkcNKfr4bYifS4d8++adp+yZiI YduFP3aoAqAOLe346h9j9VaTDtdY61xHhGlFt7/oAphixOpU1aCw+o/9X+SbNSKtUgMeZG2Ns5uXb aZ2kc/WB0Uk98yRO+HEE6UJxrsLiswT6xmexl8SaX04C17bMKLAE3yPSGnIxjDcyU8NsQKwJaHpa+ Ew/hOFpuUP9TfyI/woCQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oe4QE-006VNp-Rf; Fri, 30 Sep 2022 01:02:34 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oe4QA-006VLC-UV; Fri, 30 Sep 2022 01:02:32 +0000 Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4MdsKd5c8hzWh8H; Fri, 30 Sep 2022 08:58:13 +0800 (CST) Received: from [10.67.110.108] (10.67.110.108) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.31; Fri, 30 Sep 2022 09:02:21 +0800 Message-ID: Date: Fri, 30 Sep 2022 09:02:20 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.4.0 Subject: Re: [PATCH 3/3] arm64/kprobe: Optimize the performance of patching single-step slot To: Catalin Marinas CC: , , , , , , , , , , , , References: <20220927022435.129965-1-liaochang1@huawei.com> <20220927022435.129965-4-liaochang1@huawei.com> From: "liaochang (A)" In-Reply-To: X-Originating-IP: [10.67.110.108] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220929_180231_197130_2EE2B565 X-CRM114-Status: UNSURE ( 8.25 ) X-CRM114-Notice: Please train this message. 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="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CgrlnKggMjAyMi85LzMwIDA6NTAsIENhdGFsaW4gTWFyaW5hcyDlhpnpgZM6Cj4gT24gVHVlLCBT ZXAgMjcsIDIwMjIgYXQgMTA6MjQ6MzVBTSArMDgwMCwgTGlhbyBDaGFuZyB3cm90ZToKPj4gU2lu Z2xlLXN0ZXAgc2xvdCB3b3VsZCBub3QgYmUgdXNlZCB1bnRpbCBrcHJvYmUgaXMgZW5hYmxlZCwg dGhhdCBtZWFucwo+PiBubyByYWNlIGNvbmRpdGlvbiBvY2N1cnMgb24gaXQgdW5kZXIgU01QLCBo ZW5jZSBpdCBpcyBzYWZlIHRvIHBhY3RoIHNzCj4+IHNsb3Qgd2l0aG91dCBzdG9wcGluZyBtYWNo aW5lLgo+Pgo+PiBTaW5jZSBJIGFuZCBEIGNhY2hlcyBhcmUgY29oZXJlbnQgd2l0aGluIHNpbmds ZS1zdGVwIHNsb3QgZnJvbQo+PiBhYXJjaDY0X2luc25fcGF0Y2hfdGV4dF9ub3N5bmMoKSwgaGVu Y2Ugbm8gbmVlZCB0byBkbyBpdCBhZ2FpbiB2aWEKPj4gZmx1c2hfaWNhY2hlX3JhbmdlKCkuCj4+ Cj4+IEFja2VkLWJ5OiBXaWxsIERlYWNvbiA8d2lsbEBrZXJuZWwub3JnPgo+PiBBY2tlZC1ieTog TWFzYW1pIEhpcmFtYXRzdSAoR29vZ2xlKSA8bWhpcmFtYXRAa2VybmVsLm9yZz4KPj4gU2lnbmVk LW9mZi1ieTogTGlhbyBDaGFuZyA8bGlhb2NoYW5nMUBodWF3ZWkuY29tPgo+PiAtLS0KPj4gIGFy Y2gvYXJtNjQva2VybmVsL3Byb2Jlcy9rcHJvYmVzLmMgfCAyNyArKysrKysrKysrKysrKysrKysr KystLS0tLS0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAyMSBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9u cygtKQo+IAo+IFdoYXQncyB5b3VyIGV4cGVjdGF0aW9uIHdpdGggdGhpcyBzZXJpZXMsIHNob3Vs ZCB0aGUgYXJjaCBtYWludGFpbmVycwo+IGp1c3QgcGljayB0aGUgaW5kaXZpZHVhbCBwYXRjaGVz PwoKWWVzLCBvciBzaG91bGQgaSBzcGxpdCB0aGlzIHNlcmllcyBpbnRvIGluZGl2aWR1YWwgcGF0 Y2g/CgpUaGFua3MuCgo+IAoKLS0gCkJSLApMaWFvLCBDaGFuZwoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxp c3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=