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 8AFF2C4332F for ; Wed, 1 Dec 2021 02:57:20 +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:Date: Message-ID:From:References:CC:To:Subject:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=S8aVzXUAkb0B4GAxjzs/NefSyeuuadxZ9H/JPg3ShWM=; b=n7dcXhlHsO97133p5X6Sr1xI5k R29q+9Evttw9kaFI7LZsMCVWUrN6v8T53GkYGVEbDVH4HihuFhVw646QhQDiTjatktdcseomCxAFJ MnAWr58Qz8q3fsvnXko8HcOOe60PG+Selrjd71udO3Di5Nva/94T8erHo8TWBgvTOO8tjgzo8mzbq G2ADG/BTS4DmobySlqLRdDfs7y4pQXsLkRDvFBQUrIroKAGUgooT7Eka7JDerlrWvdxk38Pw43qco H+wzWkcZBAGJW6eLHaLjn0sfmKb7DdGvNgy38uZm2qHMRoFqGDGhAosBZi9z5i11sMF/Bayg1rN67 4e/A25pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1msFmr-007KsO-BR; Wed, 01 Dec 2021 02:56:01 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1msFml-007Kpa-Se; Wed, 01 Dec 2021 02:55:57 +0000 Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4J3kD31TKCzZdDZ; Wed, 1 Dec 2021 10:53:07 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 1 Dec 2021 10:55:48 +0800 Received: from [10.174.178.55] (10.174.178.55) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Wed, 1 Dec 2021 10:55:47 +0800 Subject: Re: [PATCH v16 10/11] of: fdt: Add memory for devices by DT property "linux,usable-memory-range" To: Rob Herring CC: Thomas Gleixner , Ingo Molnar , Borislav Petkov , , "H . Peter Anvin" , , Dave Young , Baoquan He , Vivek Goyal , Eric Biederman , , Catalin Marinas , "Will Deacon" , , "Frank Rowand" , , "Jonathan Corbet" , , Randy Dunlap , Feng Zhou , Kefeng Wang , Chen Zhou References: <20211123124646.1995-1-thunder.leizhen@huawei.com> <20211123124646.1995-11-thunder.leizhen@huawei.com> From: "Leizhen (ThunderTown)" Message-ID: <0dc664f7-65ae-767c-3fe6-d1bcf50d41e1@huawei.com> Date: Wed, 1 Dec 2021 10:55:46 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Originating-IP: [10.174.178.55] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211130_185556_279169_6A3403AD X-CRM114-Status: GOOD ( 22.58 ) 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 CgpPbiAyMDIxLzEyLzEgNjoxNiwgUm9iIEhlcnJpbmcgd3JvdGU6Cj4gT24gVHVlLCBOb3YgMjMs IDIwMjEgYXQgMDg6NDY6NDVQTSArMDgwMCwgWmhlbiBMZWkgd3JvdGU6Cj4+IEZyb206IENoZW4g WmhvdSA8Y2hlbnpob3UxMEBodWF3ZWkuY29tPgo+Pgo+PiBXaGVuIHJlc2VydmluZyBjcmFzaGtl cm5lbCBpbiBoaWdoIG1lbW9yeSwgc29tZSBsb3cgbWVtb3J5IGlzIHJlc2VydmVkCj4+IGZvciBj cmFzaCBkdW1wIGtlcm5lbCBkZXZpY2VzIGFuZCBuZXZlciBtYXBwZWQgYnkgdGhlIGZpcnN0IGtl cm5lbC4KPj4gVGhpcyBtZW1vcnkgcmFuZ2UgaXMgYWR2ZXJ0aXNlZCB0byBjcmFzaCBkdW1wIGtl cm5lbCB2aWEgRFQgcHJvcGVydHkKPj4gdW5kZXIgL2Nob3NlbiwKPj4gICAgICAgICBsaW51eCx1 c2FibGUtbWVtb3J5LXJhbmdlID0gPEJBU0UxIFNJWkUxIFtCQVNFMiBTSVpFMl0+Cj4+Cj4+IFdl IHJldXNlZCB0aGUgRFQgcHJvcGVydHkgbGludXgsdXNhYmxlLW1lbW9yeS1yYW5nZSBhbmQgbWFk ZSB0aGUgbG93Cj4+IG1lbW9yeSByZWdpb24gYXMgdGhlIHNlY29uZCByYW5nZSAiQkFTRTIgU0la RTIiLCB3aGljaCBrZWVwcyBjb21wYXRpYmlsaXR5Cj4+IHdpdGggZXhpc3RpbmcgdXNlci1zcGFj ZSBhbmQgb2xkZXIga2R1bXAga2VybmVscy4KPj4KPj4gQ3Jhc2ggZHVtcCBrZXJuZWwgcmVhZHMg dGhpcyBwcm9wZXJ0eSBhdCBib290IHRpbWUgYW5kIGNhbGwgbWVtYmxvY2tfYWRkKCkKPj4gdG8g YWRkIHRoZSBsb3cgbWVtb3J5IHJlZ2lvbiBhZnRlciBtZW1ibG9ja19jYXBfbWVtb3J5X3Jhbmdl KCkgaGFzIGJlZW4KPj4gY2FsbGVkLgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBDaGVuIFpob3UgPGNo ZW56aG91MTBAaHVhd2VpLmNvbT4KPj4gU2lnbmVkLW9mZi1ieTogWmhlbiBMZWkgPHRodW5kZXIu bGVpemhlbkBodWF3ZWkuY29tPgo+PiAtLS0KPj4gIGRyaXZlcnMvb2YvZmR0LmMgfCAzNiArKysr KysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0KPj4gIDEgZmlsZSBjaGFuZ2VkLCAyNiBp bnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv b2YvZmR0LmMgYi9kcml2ZXJzL29mL2ZkdC5jCj4+IGluZGV4IDM3YjQ3N2E1MTE3NTM1OS4uMWVh MmEwYjE2NTdlM2E5IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL29mL2ZkdC5jCj4+ICsrKyBiL2Ry aXZlcnMvb2YvZmR0LmMKPj4gQEAgLTk2Nyw2ICs5NjcsMTUgQEAgc3RhdGljIHZvaWQgX19pbml0 IGVhcmx5X2luaXRfZHRfY2hlY2tfZm9yX2VsZmNvcmVoZHIodW5zaWduZWQgbG9uZyBub2RlKQo+ PiAgCj4+ICBzdGF0aWMgdW5zaWduZWQgbG9uZyBjaG9zZW5fbm9kZV9vZmZzZXQgPSAtRkRUX0VS Ul9OT1RGT1VORDsKPj4gIAo+PiArLyoKPj4gKyAqIFRoZSBtYWluIHVzYWdlIG9mIGxpbnV4LHVz YWJsZS1tZW1vcnktcmFuZ2UgaXMgZm9yIGNyYXNoIGR1bXAga2VybmVsLgo+PiArICogT3JpZ2lu YWxseSwgdGhlIG51bWJlciBvZiB1c2FibGUtbWVtb3J5IHJlZ2lvbnMgaXMgb25lLiBOb3cgdGhl cmUgbWF5Cj4+ICsgKiBiZSB0d28gcmVnaW9ucywgbG93IHJlZ2lvbiBhbmQgaGlnaCByZWdpb24u Cj4+ICsgKiBUbyBtYWtlIGNvbXBhdGliaWxpdHkgd2l0aCBleGlzdGluZyB1c2VyLXNwYWNlIGFu ZCBvbGRlciBrZHVtcCwgdGhlIGxvdwo+PiArICogcmVnaW9uIGlzIGFsd2F5cyB0aGUgbGFzdCBy YW5nZSBvZiBsaW51eCx1c2FibGUtbWVtb3J5LXJhbmdlIGlmIGV4aXN0Lgo+PiArICovCj4+ICsj ZGVmaW5lIE1BWF9VU0FCTEVfUkFOR0VTCQkyCj4+ICsKPj4gIC8qKgo+PiAgICogZWFybHlfaW5p dF9kdF9jaGVja19mb3JfdXNhYmxlX21lbV9yYW5nZSAtIERlY29kZSB1c2FibGUgbWVtb3J5IHJh bmdlCj4+ICAgKiBsb2NhdGlvbiBmcm9tIGZsYXQgdHJlZQo+PiBAQCAtOTc0LDEwICs5ODMsOSBA QCBzdGF0aWMgdW5zaWduZWQgbG9uZyBjaG9zZW5fbm9kZV9vZmZzZXQgPSAtRkRUX0VSUl9OT1RG T1VORDsKPj4gICAqLwo+PiAgc3RhdGljIHZvaWQgX19pbml0IGVhcmx5X2luaXRfZHRfY2hlY2tf Zm9yX3VzYWJsZV9tZW1fcmFuZ2UodW5zaWduZWQgbG9uZyBub2RlKQo+PiAgewo+PiAtCWNvbnN0 IF9fYmUzMiAqcHJvcDsKPj4gLQlpbnQgbGVuOwo+PiAtCXBoeXNfYWRkcl90IGNhcF9tZW1fYWRk cjsKPj4gLQlwaHlzX2FkZHJfdCBjYXBfbWVtX3NpemU7Cj4+ICsJc3RydWN0IG1lbWJsb2NrX3Jl Z2lvbiByZ25bTUFYX1VTQUJMRV9SQU5HRVNdID0gezB9Owo+PiArCWNvbnN0IF9fYmUzMiAqcHJv cCwgKmVuZHA7Cj4+ICsJaW50IGxlbiwgaSA9IDA7Cj4+ICAKPj4gIAlpZiAoKGxvbmcpbm9kZSA8 IDApCj4+ICAJCXJldHVybjsKPj4gQEAgLTk4NSwxNiArOTkzLDI0IEBAIHN0YXRpYyB2b2lkIF9f aW5pdCBlYXJseV9pbml0X2R0X2NoZWNrX2Zvcl91c2FibGVfbWVtX3JhbmdlKHVuc2lnbmVkIGxv bmcgbm9kZSkKPj4gIAlwcl9kZWJ1ZygiTG9va2luZyBmb3IgdXNhYmxlLW1lbW9yeS1yYW5nZSBw cm9wZXJ0eS4uLiAiKTsKPj4gIAo+PiAgCXByb3AgPSBvZl9nZXRfZmxhdF9kdF9wcm9wKG5vZGUs ICJsaW51eCx1c2FibGUtbWVtb3J5LXJhbmdlIiwgJmxlbik7Cj4+IC0JaWYgKCFwcm9wIHx8IChs ZW4gPCAoZHRfcm9vdF9hZGRyX2NlbGxzICsgZHRfcm9vdF9zaXplX2NlbGxzKSkpCj4+ICsJaWYg KCFwcm9wKQo+IAo+IGlmICghcHJvcCB8fCAobGVuICUgKGR0X3Jvb3RfYWRkcl9jZWxscyArIGR0 X3Jvb3Rfc2l6ZV9jZWxscykpKQoKT0suCgo+IAo+PiAgCQlyZXR1cm47Cj4+ICAKPj4gLQljYXBf bWVtX2FkZHIgPSBkdF9tZW1fbmV4dF9jZWxsKGR0X3Jvb3RfYWRkcl9jZWxscywgJnByb3ApOwo+ PiAtCWNhcF9tZW1fc2l6ZSA9IGR0X21lbV9uZXh0X2NlbGwoZHRfcm9vdF9zaXplX2NlbGxzLCAm cHJvcCk7Cj4+ICsJZW5kcCA9IHByb3AgKyAobGVuIC8gc2l6ZW9mKF9fYmUzMikpOwo+PiArCXdo aWxlICgoZW5kcCAtIHByb3ApID49IChkdF9yb290X2FkZHJfY2VsbHMgKyBkdF9yb290X3NpemVf Y2VsbHMpKSB7Cj4gCj4gZm9yIChpID0gMDsgaSA8IE1BWF9VU0FCTEVfUkFOR0VTLCBwcm9wIDwg ZW5kcDsgaSsrKSB7Cj4gCj4+ICsJCXJnbltpXS5iYXNlID0gZHRfbWVtX25leHRfY2VsbChkdF9y b290X2FkZHJfY2VsbHMsICZwcm9wKTsKPj4gKwkJcmduW2ldLnNpemUgPSBkdF9tZW1fbmV4dF9j ZWxsKGR0X3Jvb3Rfc2l6ZV9jZWxscywgJnByb3ApOwo+PiArCj4+ICsJCXByX2RlYnVnKCJjYXBf bWVtX3JlZ2lvbnNbJWRdOiBiYXNlPSVwYSwgc2l6ZT0lcGFcbiIsCj4+ICsJCQkgaSwgJnJnbltp XS5iYXNlLCAmcmduW2ldLnNpemUpOwo+PiAgCj4+IC0JcHJfZGVidWcoImNhcF9tZW1fc3RhcnQ9 JXBhIGNhcF9tZW1fc2l6ZT0lcGFcbiIsICZjYXBfbWVtX2FkZHIsCj4+IC0JCSAmY2FwX21lbV9z aXplKTsKPj4gKwkJaWYgKCsraSA+PSBNQVhfVVNBQkxFX1JBTkdFUykKPj4gKwkJCWJyZWFrOwo+ IAo+IEFuZCBkcm9wIHRoaXMgaWYuCgpPSy4KCj4gCj4+ICsJfQo+PiAgCj4+IC0JbWVtYmxvY2tf Y2FwX21lbW9yeV9yYW5nZShjYXBfbWVtX2FkZHIsIGNhcF9tZW1fc2l6ZSk7Cj4+ICsJbWVtYmxv Y2tfY2FwX21lbW9yeV9yYW5nZShyZ25bMF0uYmFzZSwgcmduWzBdLnNpemUpOwo+PiArCWZvciAo aSA9IDE7IGkgPCBNQVhfVVNBQkxFX1JBTkdFUyAmJiByZ25baV0uc2l6ZTsgaSsrKQo+IAo+IHMv ICYmLywvCgpIaSBSb2I6CgpUaGUgY29tbWEgb3BlcmF0b3IgbWF5IG5vdCBiZSBzdWl0YWJsZSBm b3IgbG9naWNhbCBqdWRnbWVudC4gVGhlIGxvZ2ljYWwganVkZ21lbnQKYmVmb3JlIGNvbW1hcyAo LCkgaXMgaWdub3JlZC4KCkhlcmUncyBteSB0ZXN077yaCgpDIGNvZGXvvJoKaW50IG1haW4oKQp7 CiAgICAgICAgaW50IGksIGo7CgogICAgICAgIHByaW50ZigiJiY6XG4iKTsKICAgICAgICBmb3Ig KGkgPSAwLCBqID0gMDsgaSA8IDIgJiYgaiA8IDM7IGkrKywgaisrKQogICAgICAgICAgICAgICAg cHJpbnRmKCJpPSVkLCBqPSVkXG4iLCBpLCBqKTsKCiAgICAgICAgcHJpbnRmKCJcbmNvbW1hOlxu Iik7CiAgICAgICAgZm9yIChpID0gMCwgaiA9IDA7IGkgPCAyLCBqIDwgMzsgaSsrLCBqKyspCS8v KGkgPCAy77yJIGJlZm9yZSBjb21tYSBpcyBpZ25vcmVkCiAgICAgICAgICAgICAgICBwcmludGYo Imk9JWQsIGo9JWRcbiIsIGksIGopOwoKICAgICAgICByZXR1cm4gMDsKfQoKT3V0cHV077yaCiYm OgppPTAsIGo9MAppPTEsIGo9MQoKY29tbWE6Cmk9MCwgaj0wCmk9MSwgaj0xCmk9Miwgaj0yCgoK PiAKPj4gKwkJbWVtYmxvY2tfYWRkKHJnbltpXS5iYXNlLCByZ25baV0uc2l6ZSk7Cj4+ICB9Cj4+ ICAKPj4gICNpZmRlZiBDT05GSUdfU0VSSUFMX0VBUkxZQ09OCj4+IC0tIAo+PiAyLjI1LjEKPj4K Pj4KPiAKPiAuCj4gCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3Rz LmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5m by9saW51eC1hcm0ta2VybmVsCg==