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 67365EE49A5 for ; Wed, 11 Sep 2024 13:39:29 +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:Message-ID:Date:References :In-Reply-To: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=BN5pUHjzCepeROuiRDYfiEVEyB0HHrBmtTWkGiMprh4=; b=N995+7oIi9cO/q Po11UG05aJ/P80t8zU2a8Y0NBDAgcuuKG/C7dsv+FO/ukEB6ya81j/jCYACJ7VtwzgYaAugwk7aOZ Vn/VCnBeHFT6UJijiG+1WdwoAFaIT8tYL1ZkZjIhohTAm/IQY5itv8b+d3PWV0IZCStp5fMR1w54Y co1KoBNP7FM4euH8tqStmRzNKccI3EDwvmlis24xttU85iUlBRIx9KmZf1wcQ8gy5t7AFIPmYfJeY QVXy1RuXWm8gAvb0pm1OLLl1Rcp6lB8YuwGEvBBoEgF0UkvVmdHj5KNrelU65WvDboM5/SxY5qo1v iqH/1R1WFFrXRTHAlYKw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1soNZB-00000009jLY-0Fta; Wed, 11 Sep 2024 13:39:29 +0000 Received: from gandalf.ozlabs.org ([150.107.74.76] helo=mail.ozlabs.org) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1soNYj-00000009j5s-13bo; Wed, 11 Sep 2024 13:39:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1726061936; bh=/x6ppqNQQLzdvBUIltgwblDbEd/NsLYvkwyhRq8ySOg=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=oIPjnjA38dDfnNUU0Rs/abozRGK9t9kzNcCWqs5zkrEw2u4QwGt3vFSpn0kotBm8X fivnKpkEy/q9VIrQ4TVvIWeyCWERZBfrVvamUQzRqxJXXE/ps5sAChCuugQudut2zk DVgLI54TE1CBwlW9mpADteXyPpiwyWh5AMK6K8+zAbXoPZkgJcSleQSG3qGcaJyJXX A5ciDIpzEWsP5XUlIHYqj38DukHhKGL3HyneCvdybHcxtCNddxIqe5i6i2FP5wwBY7 57TlSw4u4a4SBXs0AeeOR/Okf9JAYihkTJfD71w2XroNa0syJ2Nx+YmIr7sD2bhmLV DphJhs7LqH5rg== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4X3hVm0rPLz4x8Q; Wed, 11 Sep 2024 23:38:55 +1000 (AEST) From: Michael Ellerman To: Geert Uytterhoeven , Christophe Leroy Cc: Charlie Jenkins , Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Guo Ren , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Nicholas Piggin , Naveen N Rao , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Muchun Song , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Lorenzo Stoakes , Shuah Khan , Christoph Hellwig , Michal Hocko , "Kirill A. Shutemov" , Chris Torek , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-abi-devel@lists.sourceforge.net Subject: Re: [PATCH RFC v3 1/2] mm: Add personality flag to limit address to 47 bits In-Reply-To: References: <20240905-patches-below_hint_mmap-v3-0-3cd5564efbbb@rivosinc.com> <20240905-patches-below_hint_mmap-v3-1-3cd5564efbbb@rivosinc.com> <87zfol468z.fsf@mail.lhotse> <1aca8e4c-1c12-4624-a689-147ff60b75d6@csgroup.eu> Date: Wed, 11 Sep 2024 23:38:55 +1000 Message-ID: <8734m6s428.fsf@mail.lhotse> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240911_063901_909169_28AF7241 X-CRM114-Status: GOOD ( 13.45 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org R2VlcnQgVXl0dGVyaG9ldmVuIDxnZWVydEBsaW51eC1tNjhrLm9yZz4gd3JpdGVzOgo+IEhpIENo cmlzdG9waGUsCj4KPiBPbiBUdWUsIFNlcCAxMCwgMjAyNCBhdCAxMToyMeKAr0FNIENocmlzdG9w aGUgTGVyb3kKPiA8Y2hyaXN0b3BoZS5sZXJveUBjc2dyb3VwLmV1PiB3cm90ZToKPj4gPj4+IGRp ZmYgLS1naXQgYS9pbmNsdWRlL3VhcGkvbGludXgvcGVyc29uYWxpdHkuaCBiL2luY2x1ZGUvdWFw aS9saW51eC9wZXJzb25hbGl0eS5oCj4+ID4+PiBpbmRleCA0OTc5NmI3NzU2YWYuLmNkM2I4YzE1 NGQ5YiAxMDA2NDQKPj4gPj4+IC0tLSBhL2luY2x1ZGUvdWFwaS9saW51eC9wZXJzb25hbGl0eS5o Cj4+ID4+PiArKysgYi9pbmNsdWRlL3VhcGkvbGludXgvcGVyc29uYWxpdHkuaAo+PiA+Pj4gQEAg LTIyLDYgKzIyLDcgQEAgZW51bSB7Cj4+ID4+PiAgICAgV0hPTEVfU0VDT05EUyA9ICAgICAgICAg MHgyMDAwMDAwLAo+PiA+Pj4gICAgIFNUSUNLWV9USU1FT1VUUyA9ICAgICAgIDB4NDAwMDAwMCwK Pj4gPj4+ICAgICBBRERSX0xJTUlUXzNHQiA9ICAgICAgICAweDgwMDAwMDAsCj4+ID4+PiArICAg QUREUl9MSU1JVF80N0JJVCA9ICAgICAgMHgxMDAwMDAwMCwKPj4gPj4+ICAgfTsKPj4gPj4KPj4g Pj4gSSB3b25kZXIgaWYgQUREUl9MSU1JVF8xMjhUIHdvdWxkIGJlIGNsZWFyZXI/Cj4+ID4+Cj4+ ID4KPj4gPiBJIGRvbid0IGZvbGxvdywgd2hhdCBkb2VzIDEyOFQgcmVwcmVzZW50Pwo+Pgo+PiAx MjhUIGlzIDEyOCBUZXJhYnl0ZXMsIHRoYXQncyB0aGUgbWF4aW11bSBzaXplIGFjaGlldmFibGUg d2l0aCBhIDQ3QklUCj4+IGFkZHJlc3MsIHRoYXQgbmFtaW5nIHdvdWxkIGJlIG1vcmUgY29uc2lz dGFudCB3aXRoIHRoZSBBRERSX0xJTUlUXzNHQgo+PiBqdXN0IGFib3ZlIHRoYXQgbWVhbnMgYSAz IEdpZ2FieXRlcyBsaW1pdC4KPgo+IEhlbmNlIEFERFJfTElNSVRfMTI4VEI/CgpZZXMgaXQgc2hv dWxkIGJlIDEyOFRCLiBUeXBvIGJ5IG1lLgoKY2hlZXJzCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1zbnBzLWFyYyBtYWlsaW5nIGxpc3QKbGlu dXgtc25wcy1hcmNAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXNucHMtYXJjCg==