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 7FA14C433F5 for ; Thu, 28 Apr 2022 15:47:04 +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=oH3rCwYul6itV/DjpdL1LpUt+ow6BrTHjtt+xmbqgcQ=; b=ze8G1dTkhU/gFj pL4ro1nWd14urTLR1pdKID6quXdkKAk7Ku84+ELBtdXyqY9wFR8r2RPRlxRAoc/vr0aSdsH7Pdpno GCLDjmHfvcdctm73xRDRpkKkrsCHU4Xf00sifqJfwkPsqbWBO0/5aJOE3pdPv2RVTM2G1ql2u3yHk I6MiAZlGE2uw0j9i4ygzKWet8nQ+5pcNjfjkt+y0x5G0Pj0MTN77aiMCZ0nh2WMnqF65B8riagjtO iq7Fve69H8VtIKI5yif6NOoXdTxX3/fpPCsWfwk/w5QAcDSNqiwaFdCT8yUvMbemTWXKQmDe/JAoa qnHPyMh9zwkwSziyXeDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nk6LJ-007iTD-RA; Thu, 28 Apr 2022 15:46:09 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nk6LB-007iRi-Db; Thu, 28 Apr 2022 15:46:01 +0000 Date: Thu, 28 Apr 2022 08:46:01 -0700 From: Christoph Hellwig To: Kefeng Wang Cc: Andrew Morton , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 2/4] mm: ioremap: Add arch_ioremap/iounmap_check() Message-ID: References: <20220427121413.168468-1-wangkefeng.wang@huawei.com> <20220427121413.168468-3-wangkefeng.wang@huawei.com> <20220427100411.8eaf54c51767c3e2b0b070a5@linux-foundation.org> <8d5c41a6-0478-bd5c-a37b-06a37101fc31@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <8d5c41a6-0478-bd5c-a37b-06a37101fc31@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 T24gVGh1LCBBcHIgMjgsIDIwMjIgYXQgMDI6MTY6MzlQTSArMDgwMCwgS2VmZW5nIFdhbmcgd3Jv dGU6Cj4gPiBQZXQgcGVldmUuICBUaGUgd29yZCAiY2hlY2siIGlzIGEgcG9vciBvbmUuICBJIGdp dmVzIG5vIHNlbnNlIG9mIHdoYXQKPiA+IHRoZSBmdW5jdGlvbiBpcyBjaGVja2luZyBhbmQgaXQg Z2l2ZXMgbm8gc2Vuc2Ugb2YgaG93IHRoZSBmdW5jdGlvbidzCj4gPiByZXR1cm4gdmFsdWUgcmVs YXRlcyB0byB0aGUgdGhpbmcgd2hpY2ggaXQgY2hlY2tzLgo+ID4gCj4gPiBNYXliZSBpdCByZXR1 cm5zIDAgb24gc3VjY2VzcyBhbmQgLUVJTlZBTCBvbiBmYWlsdXJlLiAgRG9uJ3Qga25vdyEKPiA+ IAo+ID4gRG9uJ3QgeW91IHRoaW5rIHRoYXQgYmV0dGVyIG5hbWVzIHdvdWxkIGJlIGlvX3JlbWFw X29rKCksCj4gPiBpb19yZW1hcF92YWxpZCgpLCBpb19yZW1hcF9hbGxvd2VkKCksIGV0Yz8KPiAK PiBXaWxsIHVzZSBhcmNoX2lvcmVtYXAvdW5tYXBfYWxsb3dlZCgpLCBhbmQgSSdkIGxpa2UgdG8g a2VlcCByZXR1cm4gYm9vbAo+IAo+IGZvciBub3cgaWYgdGhlcmUgaXMgbm8gc3BlY2lhbCByZXF1 aXJlbWVudHMuCgpBY3R1YWxseSwgdGhlcmUgYXJlIGEgZmV3IGFyY2hpdGVjdHVyZXMgdGhhdCBj YW4gc3VjY2Vzc2Z1bGx5IGlvcmVhbXAKd2l0aG91dCBzZXR0aW5nIHVwIG5ldyBwdGVzLCBlLmcu IG1pcHMuCgpTbyBJIHRoaW5rIEknZCBuYW1lIHRoZW0ganVzdCBhcmNoX2lvcmVtYXAgYW5kIGFy Y2hfaW91bm1hcCwgYW5kCnJldHVybiBhICJ2b2lkIF9f0ZZvbWVtICoiIGZyb20gYXJjaF9pb3Jl bWFwLCB3aGVyZToKCiAtIElTX0VSUiBtZWFucyByZXR1cm4gYW4gZXJyb3IKIC0gTlVMTCBtZWFu cyBjb250aW51ZSB0byByZW1hcAogLSBhIG5vbi1OVUxMLCBub24tSVNfRVJSIHBvaW50ZXIgaXMg ZGlyZWN0bHkgcmV0dXJuZWQuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVs QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9s aXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==