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 19BB4C43334 for ; Mon, 6 Jun 2022 16:29:30 +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:MIME-Version:References: 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=ruouHPYGIN2iZD7ve8TBcgvctopbQfeJdTSNJlGQZuk=; b=2dPruoybLB7Rfy Y8c9f4eTJRciJIqj7LyeCPo7fl+XPw20dDXNVf2/WtkK3ItJ2H89vrrwoVhAvUKFH66dyK4UjSOED h78Sbp+QC45tJgzEUqymjXVEjVy3tZPGhF1OlAeMH55lMDHI89QtJrwYiF/dmIHEptjFtHkrib+pP O2D8oqgEovKKG9a15z3zucuOrNr+e4s7F7OAVG2JKiDWKwby34BaBinNPXAroLlyH851ZZWxsgvC8 RLu5eacZvo3Frc6r/9EvVRMQJ75/3KXbmhhZD0CW2Y0zCWAZAOBwUMnRnYS7Ss50p6RVoJYCfhTJP faGAmUNfc1wIZe0kwMWg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyFaR-0022IN-0g; Mon, 06 Jun 2022 16:28:15 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyFaM-0022H0-HN; Mon, 06 Jun 2022 16:28:10 +0000 Date: Mon, 6 Jun 2022 09:28:10 -0700 From: Christoph Hellwig To: Kefeng Wang Cc: Christoph Hellwig , catalin.marinas@arm.com, will@kernel.org, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, arnd@arndb.de, anshuman.khandual@arm.com Subject: Re: [PATCH v4 5/6] arm64: mm: Convert to GENERIC_IOREMAP Message-ID: References: <20220606074815.139265-1-wangkefeng.wang@huawei.com> <20220606074815.139265-6-wangkefeng.wang@huawei.com> <7a8f19b5-f22e-83be-0f9a-63cef6152812@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <7a8f19b5-f22e-83be-0f9a-63cef6152812@huawei.com> 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 T24gTW9uLCBKdW4gMDYsIDIwMjIgYXQgMDk6Mjg6MjJQTSArMDgwMCwgS2VmZW5nIFdhbmcgd3Jv dGU6Cj4gQXMgY29tbWl0IGJkYzQ4ZmExMWU0NsKgICgiY2hlY2twYXRjaC9jb2Rpbmctc3R5bGU6 IGRlcHJlY2F0ZSA4MC1jb2x1bW4KPiB3YXJuaW5nIikgaW5jcmVhc2VkCj4gCj4gdGhlIGxpbWl0 IHRvIDEwMCBjb2x1bW5z77yMc28gSSBkb24ndCBnZXQgd2FybmluZyB3aGVuIHVzaW5nIGNoZWNr cGF0Y2gsIGFuZAo+IGl0IGlzIG5vdCBhIGhhcmQgbGltaXQsCgpObywgaXQgZGlkIG5vdCBpbmNy ZWFzZSB0aGUgZ2VuZXJhbCBsaW1pdCwganVzdCBmb3IgZXhjZXB0aW9uIGNhc2VzLgpCbG9jayBj b21tZW50cyBjZXJ0YWlubHkgZG9uJ3QgZmFsbCB1bmRlciB0aGF0LCBhbmQgd2hpbGUgdGhlIG1p bGVhZ2UKb24gdGhlIGRlZmluZdGVIG1heSB2YXJ5IGl0IGdlbmVyYWxseSBpcyBtb3JlIHJlYWRh YmxlIHRvIGhhdmUgdGhlbQpvbiB0aGUgbmV4dCBsaW5lLgoKY2hlY2twYXRoIGlzIHVuZm9ydHVu YXRlbHkgdG90YWxsIGJyb2tlbiB0aGVzZSBkYXlzIDooCgo+IAo+IGJ1dCBpZiB0aGlzIGlzIGEg bWFuZGF0b3J5IHJlcXVpcmVtZW50LCBJIHdpbGwgcmVzZW5kIHRoZW0gd2l0aCBicmVhayBsaW5l cy4KPiAKPiA+ID4gKyNkZWZpbmUgaW9yZW1hcF9jYWNoZShhZGRyLCBzaXplKSAoewkJCQkJCQlc Cj4gPiA+ICsJcGZuX2lzX21hcF9tZW1vcnkoX19waHlzX3RvX3BmbihhZGRyKSkgPwkJCQkJXAo+ ID4gPiArCSh2b2lkIF9faW9tZW0gKilfX3BoeXNfdG9fdmlydChhZGRyKSA6IGlvcmVtYXBfcHJv dChhZGRyLCBzaXplLCBQUk9UX05PUk1BTCk7CVwKPiA+ID4gK30pCj4gPiBBbmQgdGhpcyByZWFs bHkgc2hvdWxkIGJlIGFuIGlubGluZSBmdW5jdGlvbi4KPiAKPiBXZSBzdGlsbCBuZWVkIGEgZGVm aW5lLCBzZWUga2VybmVsL2lvbWVtLmMsCgpZb3UgY2FuIGp1c3QgZGVmaW5lIGl0IHRvIHRoZSBz YW1lIG5hbWUgYWZ0ZXIgdGhlIGlubGluZS4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFy bS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK