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 BB29BC41535 for ; Fri, 22 Dec 2023 17:12:59 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=s+8TRaoHYcMWGRTJAAvVJk5PDgi+lU17IsLQUEu9tvw=; b=Kpkzkenr2HqHCy IPle7S1/MvOngX3d1AyeQrTrT3P/H2P/jqjAmqcX6iptYG5YtRKw4Pzc1tPblE3WssDEMWWhZj4F+ jzMx/yGkEggFJOmtVglvN/cFuFlrLuyIiyVUvahpf436Za7A7XVpdC+h0bA2xPrN4e5D9OaN5MoXp EPrB+xig7u8wdrI5+6a6ld8k/+DKTRnF37WmHVPXnDdK6N5ifQ6dPSHvj9ugszMt8iezBGMIow4fa lmNlFAb5aqOHP0DgWUjPaCOqtBbPUXLZNYx2SHFUd3CG5SPAFxgr9QaJDozDfAmrEJrrGkXR0dNnN jSfm8zT+1nVlXiGUD6fw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rGj4o-006TyD-3C; Fri, 22 Dec 2023 17:12:46 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rGj4m-006Txd-2W for linux-riscv@lists.infradead.org; Fri, 22 Dec 2023 17:12:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1703265163; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EJPw/6f1GAMSCdMx7JeeVoOTC8jzwbxE2TLobbWNwIc=; b=PFcZlwXd/cGC9tNVxB9nKPkVIgEuenPZAOR6IiE0T5Gva1ziBz6kJdyB9i4j0OR/qW65lz KlktrM5HMWhBEoHJPfK26jC3vhu5NJ0a+AoV0Kox00k+eQL0G2ioam5dmQ4MSqDc7Myb2R y9NF4RkL1piRZguInNvQIO3ib4RZBOQ= Received: from mail-pf1-f200.google.com (mail-pf1-f200.google.com [209.85.210.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-78-Xothym29NPyufG76dUOR5A-1; Fri, 22 Dec 2023 12:12:41 -0500 X-MC-Unique: Xothym29NPyufG76dUOR5A-1 Received: by mail-pf1-f200.google.com with SMTP id d2e1a72fcca58-6d823fc97f6so1052203b3a.1 for ; Fri, 22 Dec 2023 09:12:41 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703265160; x=1703869960; h=content-transfer-encoding:content-disposition:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=EJPw/6f1GAMSCdMx7JeeVoOTC8jzwbxE2TLobbWNwIc=; b=PvOGucUfsXme0zQLD6364cXyRFOymjGvIVDsQNenWhgqnwOhWA3FQZNSesr3hQ0nBM J4llbXuj+pT1MR6B11PCAi92bZpG0HtTYqo20PsVfOCvDCaIJm2hBpd+tm/wqvaAML3X t635r3gqQifjiE8aBbGyT88tNh6axSLmAweAnNkagjMnwTuNrCMaAnO+b/7MoyMfRvTM AGpIvubLEGgKJsol9k8vTOcwKApbpTj5BpgYPCBLjTaM1FLc9UYFvHDAjd6sRxsGJNto HOVm9FqpefbnIK+3Q1U8n55s+jyau+epKy9iQykoABPEDWLJrXjxqEwun7/VjCu5YNoX ZVag== X-Gm-Message-State: AOJu0YxyfHeFL5OBnHLKAJcjqVvSdvPNBAPL7Mck9Nh8ZO0mXrHiGUSH EydN2X3N148TTO9bTgwt+maDNR8fsB39uXIkDm9oQY7snsSOpBHnIF7VvjiNvrtCj8R3+3VitwE 9eMdc2nDuyjnv90vN6g5A+R91rI+Y4k8z3xpf X-Received: by 2002:a05:6a00:d4a:b0:6d9:8d88:f22d with SMTP id n10-20020a056a000d4a00b006d98d88f22dmr746224pfv.58.1703265160658; Fri, 22 Dec 2023 09:12:40 -0800 (PST) X-Google-Smtp-Source: AGHT+IG7wNapKmlISZasLTcF4quOdp7zfHeY3L6ZGyiqpO82xhVsohRw7uAy6lOP4gSXhFEz2yNRwg== X-Received: by 2002:a05:6a00:d4a:b0:6d9:8d88:f22d with SMTP id n10-20020a056a000d4a00b006d98d88f22dmr746213pfv.58.1703265160316; Fri, 22 Dec 2023 09:12:40 -0800 (PST) Received: from localhost.localdomain ([2804:1b3:a802:7496:88a7:1b1a:a837:bebf]) by smtp.gmail.com with ESMTPSA id jw1-20020a056a00928100b006d9771857c4sm3163611pfb.27.2023.12.22.09.12.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 09:12:39 -0800 (PST) From: Leonardo Bras To: Guo Ren Cc: Leonardo Bras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Eric Biederman , Kees Cook , Oleg Nesterov , Conor Dooley , Andy Chiu , Greg Ungerer , Vincent Chen , Xiao Wang , Charlie Jenkins , Andrew Morton , Alexandre Ghiti , Kemeng Shi , David Hildenbrand , "Matthew Wilcox (Oracle)" , Qinglin Pan , Greentime Hu , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH 2/4] riscv: add compile-time test into is_compat_task() Date: Fri, 22 Dec 2023 14:12:22 -0300 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: <20231222074605.452452-1-leobras@redhat.com> <20231222074605.452452-3-leobras@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231222_091244_915402_86621255 X-CRM114-Status: GOOD ( 29.67 ) 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 T24gRnJpLCBEZWMgMjIsIDIwMjMgYXQgMDU6MzU6MjBQTSArMDgwMCwgR3VvIFJlbiB3cm90ZToK PiBPbiBGcmksIERlYyAyMiwgMjAyMyBhdCA1OjAy4oCvUE0gTGVvbmFyZG8gQnJhcyA8bGVvYnJh c0ByZWRoYXQuY29tPiB3cm90ZToKPiA+Cj4gPiBDdXJyZW50bHkgc2V2ZXJhbCBwbGFjZXMgd2ls bCB0ZXN0IGZvciBDT05GSUdfQ09NUEFUIGJlZm9yZSB0ZXN0aW5nCj4gPiBpc19jb21wYXRfdGFz aygpLCBwcm9iYWJseSBpbiBvcmRlciB0byBhdm9pZCBhIHJ1bi10aW1lIHRlc3QgaW50byB0aGUg dGFzawo+ID4gc3RydWN0dXJlLgo+ID4KPiA+IFNpbmNlIGlzX2NvbXBhdF90YXNrKCkgaXMgYW4g aW5saW5lZCBmdW5jdGlvbiwgaXQgd291bGQgYmUgaGVscGZ1bCB0byBhZGQgYQo+ID4gY29tcGls ZS10aW1lIHRlc3Qgb2YgQ09ORklHX0NPTVBBVCwgbWFraW5nIHN1cmUgaXQgYWx3YXlzIHJldHVy bnMgemVybyB3aGVuCj4gPiB0aGUgb3B0aW9uIGlzIG5vdCBlbmFibGVkIGR1cmluZyB0aGUga2Vy bmVsIGJ1aWxkLgo+ID4KPiA+IFdpdGggdGhpcywgdGhlIGNvbXBpbGVyIGlzIGFibGUgdG8gdW5k ZXJzdGFuZCBpbiBidWlsZC10aW1lIHRoYXQKPiA+IGlzX2NvbXBhdF90YXNrKCkgd2lsbCBhbHdh eXMgcmV0dXJuIDAsIGFuZCBvcHRpbWl6ZS1vdXQgc29tZSBvZiB0aGUgZXh0cmEKPiA+IGNvZGUg aW50cm9kdWNlZCBieSB0aGUgb3B0aW9uLgo+ID4KPiA+IFRoaXMgd2lsbCBhbHNvIGFsbG93IHJl bW92aW5nIGEgbG90ICNpZmRlZnMgdGhhdCB3ZXJlIGludHJvZHVjZWQsIGFuZCBtYWtlCj4gPiB0 aGUgY29kZSBtb3JlIGNsZWFuLgo+ID4KPiA+IFNpZ25lZC1vZmYtYnk6IExlb25hcmRvIEJyYXMg PGxlb2JyYXNAcmVkaGF0LmNvbT4KPiA+IC0tLQo+ID4gIGFyY2gvcmlzY3YvaW5jbHVkZS9hc20v Y29tcGF0LmggICAgfCAzICsrKwo+ID4gIGFyY2gvcmlzY3YvaW5jbHVkZS9hc20vZWxmLmggICAg ICAgfCA0IC0tLS0KPiA+ICBhcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL3BndGFibGUuaCAgIHwgNiAt LS0tLS0KPiA+ICBhcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL3Byb2Nlc3Nvci5oIHwgNCArKy0tCj4g PiAgNCBmaWxlcyBjaGFuZ2VkLCA1IGluc2VydGlvbnMoKyksIDEyIGRlbGV0aW9ucygtKQo+ID4K PiA+IGRpZmYgLS1naXQgYS9hcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL2NvbXBhdC5oIGIvYXJjaC9y aXNjdi9pbmNsdWRlL2FzbS9jb21wYXQuaAo+ID4gaW5kZXggMmFjOTU1YjUxMTQ4Zi4uOTE1MTdi NTFiOGUyNyAxMDA2NDQKPiA+IC0tLSBhL2FyY2gvcmlzY3YvaW5jbHVkZS9hc20vY29tcGF0LmgK PiA+ICsrKyBiL2FyY2gvcmlzY3YvaW5jbHVkZS9hc20vY29tcGF0LmgKPiA+IEBAIC0xNCw2ICsx NCw5IEBACj4gPgo+ID4gIHN0YXRpYyBpbmxpbmUgaW50IGlzX2NvbXBhdF90YXNrKHZvaWQpCj4g PiAgewo+ID4gKyAgICAgICBpZiAoIUlTX0VOQUJMRUQoQ09ORklHX0NPTVBBVCkpCj4gPiArICAg ICAgICAgICAgICAgcmV0dXJuIDA7Cj4gPiArCj4gPiAgICAgICAgIHJldHVybiB0ZXN0X3RocmVh ZF9mbGFnKFRJRl8zMkJJVCk7Cj4gPiAgfQo+ID4KPiA+IGRpZmYgLS1naXQgYS9hcmNoL3Jpc2N2 L2luY2x1ZGUvYXNtL2VsZi5oIGIvYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9lbGYuaAo+ID4gaW5k ZXggNTlhMDgzNjdmZGRkNy4uMmU4ODI1N2NhZmFlYSAxMDA2NDQKPiA+IC0tLSBhL2FyY2gvcmlz Y3YvaW5jbHVkZS9hc20vZWxmLmgKPiA+ICsrKyBiL2FyY2gvcmlzY3YvaW5jbHVkZS9hc20vZWxm LmgKPiA+IEBAIC01MywxMyArNTMsOSBAQCBleHRlcm4gYm9vbCBjb21wYXRfZWxmX2NoZWNrX2Fy Y2goRWxmMzJfRWhkciAqaGRyKTsKPiA+ICAjZGVmaW5lIEVMRl9FVF9EWU5fQkFTRSAgICAgICAg ICAgICAgICAoKERFRkFVTFRfTUFQX1dJTkRPVyAvIDMpICogMikKPiA+Cj4gPiAgI2lmZGVmIENP TkZJR182NEJJVAo+ID4gLSNpZmRlZiBDT05GSUdfQ09NUEFUCj4gPiAgI2RlZmluZSBTVEFDS19S TkRfTUFTSyAgICAgICAgIChpc19jb21wYXRfdGFzaygpID8gXAo+ID4gICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgMHg3ZmYgPj4gKFBBR0VfU0hJRlQgLSAxMikgOiBcCj4gPiAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAweDNmZmZmID4+IChQQUdFX1NISUZUIC0gMTIp KQo+ID4gLSNlbHNlCj4gPiAtI2RlZmluZSBTVEFDS19STkRfTUFTSyAgICAgICAgICgweDNmZmZm ID4+IChQQUdFX1NISUZUIC0gMTIpKQo+ID4gLSNlbmRpZgo+ID4gICNlbmRpZgo+ID4KPiA+ICAv Kgo+ID4gZGlmZiAtLWdpdCBhL2FyY2gvcmlzY3YvaW5jbHVkZS9hc20vcGd0YWJsZS5oIGIvYXJj aC9yaXNjdi9pbmNsdWRlL2FzbS9wZ3RhYmxlLmgKPiA+IGluZGV4IDFkNDcyYjMxZTBjZmUuLmVh NWIyNjliZTIyM2EgMTAwNjQ0Cj4gPiAtLS0gYS9hcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL3BndGFi bGUuaAo+ID4gKysrIGIvYXJjaC9yaXNjdi9pbmNsdWRlL2FzbS9wZ3RhYmxlLmgKPiA+IEBAIC0x MjcsMTYgKzEyNywxMCBAQAo+ID4gICNkZWZpbmUgVkFfVVNFUl9TVjQ4IChVTCgxKSA8PCAoVkFf QklUU19TVjQ4IC0gMSkpCj4gPiAgI2RlZmluZSBWQV9VU0VSX1NWNTcgKFVMKDEpIDw8IChWQV9C SVRTX1NWNTcgLSAxKSkKPiA+Cj4gPiAtI2lmZGVmIENPTkZJR19DT01QQVQKPiA+ICAjZGVmaW5l IE1NQVBfVkFfQklUU182NCAoKFZBX0JJVFMgPj0gVkFfQklUU19TVjQ4KSA/IFZBX0JJVFNfU1Y0 OCA6IFZBX0JJVFMpCj4gPiAgI2RlZmluZSBNTUFQX01JTl9WQV9CSVRTXzY0IChWQV9CSVRTX1NW MzkpCj4gPiAgI2RlZmluZSBNTUFQX1ZBX0JJVFMgKGlzX2NvbXBhdF90YXNrKCkgPyBWQV9CSVRT X1NWMzIgOiBNTUFQX1ZBX0JJVFNfNjQpCj4gPiAgI2RlZmluZSBNTUFQX01JTl9WQV9CSVRTIChp c19jb21wYXRfdGFzaygpID8gVkFfQklUU19TVjMyIDogTU1BUF9NSU5fVkFfQklUU182NCkKPiA+ IC0jZWxzZQo+ID4gLSNkZWZpbmUgTU1BUF9WQV9CSVRTICgoVkFfQklUUyA+PSBWQV9CSVRTX1NW NDgpID8gVkFfQklUU19TVjQ4IDogVkFfQklUUykKPiA+IC0jZGVmaW5lIE1NQVBfTUlOX1ZBX0JJ VFMgKFZBX0JJVFNfU1YzOSkKPiA+IC0jZW5kaWYgLyogQ09ORklHX0NPTVBBVCAqLwo+ID4gLQo+ ID4gICNlbHNlCj4gPiAgI2luY2x1ZGUgPGFzbS9wZ3RhYmxlLTMyLmg+Cj4gPiAgI2VuZGlmIC8q IENPTkZJR182NEJJVCAqLwo+ID4gZGlmZiAtLWdpdCBhL2FyY2gvcmlzY3YvaW5jbHVkZS9hc20v cHJvY2Vzc29yLmggYi9hcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL3Byb2Nlc3Nvci5oCj4gPiBpbmRl eCBmMTlmODYxY2RhNTQ5Li5lZDMyZTUzZTU1OTk5IDEwMDY0NAo+ID4gLS0tIGEvYXJjaC9yaXNj di9pbmNsdWRlL2FzbS9wcm9jZXNzb3IuaAo+ID4gKysrIGIvYXJjaC9yaXNjdi9pbmNsdWRlL2Fz bS9wcm9jZXNzb3IuaAo+ID4gQEAgLTIyLDcgKzIyLDcgQEAKPiA+ICAoeyAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBcCj4gPiAgICAg ICAgIHVuc2lnbmVkIGxvbmcgbW1hcF9lbmQ7ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgXAo+ID4gICAgICAgICB0eXBlb2YoYWRkcikgX2FkZHIgPSAoYWRkcik7ICAgICAgICAgICAg ICAgICAgICAgICAgICAgIFwKPiA+IC0gICAgICAgaWYgKChfYWRkcikgPT0gMCB8fCAoSVNfRU5B QkxFRChDT05GSUdfQ09NUEFUKSAmJiBpc19jb21wYXRfdGFzaygpKSkgXAo+ID4gKyAgICAgICBp ZiAoKF9hZGRyKSA9PSAwIHx8IGlzX2NvbXBhdF90YXNrKCkpICAgICAgICAgICAgICAgICAgIFwK PiA+ICAgICAgICAgICAgICAgICBtbWFwX2VuZCA9IFNUQUNLX1RPUF9NQVg7ICAgICAgICAgICAg ICAgICAgICAgICBcCj4gPiAgICAgICAgIGVsc2UgaWYgKChfYWRkcikgPj0gVkFfVVNFUl9TVjU3 KSAgICAgICAgICAgICAgICAgICAgICAgXAo+ID4gICAgICAgICAgICAgICAgIG1tYXBfZW5kID0g U1RBQ0tfVE9QX01BWDsgICAgICAgICAgICAgICAgICAgICAgIFwKPiA+IEBAIC0zOSw3ICszOSw3 IEBACj4gPiAgICAgICAgIHR5cGVvZihhZGRyKSBfYWRkciA9IChhZGRyKTsgICAgICAgICAgICAg ICAgICAgICAgICAgICAgXAo+ID4gICAgICAgICB0eXBlb2YoYmFzZSkgX2Jhc2UgPSAoYmFzZSk7 ICAgICAgICAgICAgICAgICAgICAgICAgICAgIFwKPiA+ICAgICAgICAgdW5zaWduZWQgbG9uZyBy bmRfZ2FwID0gREVGQVVMVF9NQVBfV0lORE9XIC0gKF9iYXNlKTsgICBcCj4gPiAtICAgICAgIGlm ICgoX2FkZHIpID09IDAgfHwgKElTX0VOQUJMRUQoQ09ORklHX0NPTVBBVCkgJiYgaXNfY29tcGF0 X3Rhc2soKSkpIFwKPiA+ICsgICAgICAgaWYgKChfYWRkcikgPT0gMCB8fCBpc19jb21wYXRfdGFz aygpKSAgICAgICAgICAgICAgICAgICBcCj4gPiAgICAgICAgICAgICAgICAgbW1hcF9iYXNlID0g KF9iYXNlKTsgICAgICAgICAgICAgICAgICAgICAgICAgICAgXAo+ID4gICAgICAgICBlbHNlIGlm ICgoKF9hZGRyKSA+PSBWQV9VU0VSX1NWNTcpICYmIChWQV9CSVRTID49IFZBX0JJVFNfU1Y1Nykp IFwKPiA+ICAgICAgICAgICAgICAgICBtbWFwX2Jhc2UgPSBWQV9VU0VSX1NWNTcgLSBybmRfZ2Fw OyAgICAgICAgICAgICBcCj4gPiAtLQo+ID4gMi40My4wCj4gPgo+IFJldmlld2VkLWJ5OiBHdW8g UmVuIDxndW9yZW5Aa2VybmVsLm9yZz4KClRoYW5rcyEKTGVvCgo+IAo+IC0tIAo+IEJlc3QgUmVn YXJkcwo+ICBHdW8gUmVuCj4gCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1yaXNjdgo=