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J . Bottomley" , Helge Deller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , 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 , Christoph Hellwig , Michal Hocko , "Kirill A. Shutemov" , Chris Torek , Linux-Arch , 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 Message-ID: References: <20240905-patches-below_hint_mmap-v3-0-3cd5564efbbb@rivosinc.com> <20240905-patches-below_hint_mmap-v3-1-3cd5564efbbb@rivosinc.com> <9fc4746b-8e9d-4a75-b966-e0906187e6b7@app.fastmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240906_124400_837591_63C726D1 X-CRM114-Status: GOOD ( 17.37 ) 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 T24gRnJpLCBTZXAgMDYsIDIwMjQgYXQgMDk6NTU6NDJBTSArMDAwMCwgQXJuZCBCZXJnbWFubiB3 cm90ZToKPiBPbiBGcmksIFNlcCA2LCAyMDI0LCBhdCAwOToxNCwgR3VvIFJlbiB3cm90ZToKPiA+ IE9uIEZyaSwgU2VwIDYsIDIwMjQgYXQgMzoxOOKAr1BNIEFybmQgQmVyZ21hbm4gPGFybmRAYXJu ZGIuZGU+IHdyb3RlOgo+ID4+IEl0J3MgYWxzbyB1bmNsZWFyIHRvIG1lIGhvdyB3ZSB3YW50IHRo aXMgZmxhZyB0byBpbnRlcmFjdCB3aXRoCj4gPj4gdGhlIGV4aXN0aW5nIGxvZ2ljIGluIGFyY2hf Z2V0X21tYXBfZW5kKCksIHdoaWNoIGF0dGVtcHRzIHRvCj4gPj4gbGltaXQgdGhlIGRlZmF1bHQg bWFwcGluZyB0byBhIDQ3LWJpdCBhZGRyZXNzIHNwYWNlIGFscmVhZHkuCj4gPgo+ID4gVG8gb3B0 aW1pemUgUklTQy1WIHByb2dyZXNzLCBJIHJlY29tbWVuZDoKPiA+Cj4gPiBTdGVwIDE6IEFwcHJv dmUgdGhlIHBhdGNoLgo+ID4gU3RlcCAyOiBVcGRhdGUgR28gYW5kIE9wZW5KREsncyBSSVNDLVYg YmFja2VuZCB0byB1dGlsaXplIGl0Lgo+ID4gU3RlcCAzOiBXYWl0IGFwcHJveGltYXRlbHkgc2V2 ZXJhbCBpdGVyYXRpb25zIGZvciBHbyAmIE9wZW5KREsKPiA+IFN0ZXAgNDogUmVtb3ZlIHRoZSA0 Ny1iaXQgY29uc3RyYWludCBpbiBhcmNoX2dldF9tbWFwX2VuZCgpCj4gCj4gSSByZWFsbHkgd2Fu dCB0byBmaXJzdCBzZWUgYSBwbGF1c2libGUgZXhwbGFuYXRpb24gYWJvdXQgd2h5Cj4gUklTQy1W IGNhbid0IGp1c3QgaW1wbGVtZW50IHRoaXMgdXNpbmcgYSA0Ny1iaXQgREVGQVVMVF9NQVBfV0lO RE9XCj4gbGlrZSBhbGwgdGhlIG90aGVyIG1ham9yIGFyY2hpdGVjdHVyZXMgKHg4NiwgYXJtNjQs IHBvd2VycGM2NCksCgpGV0lXIGFybTY0IGFjdHVhbGx5IGxpbWl0cyBERUZBVUxUX01BUF9XSU5E T1cgdG8gNDgtYml0IGluIHRoZSBkZWZhdWx0CmNvbmZpZ3VyYXRpb24uIFdlIGVuZCB1cCB3aXRo IGEgNDctYml0IHdpdGggMTZLIHBhZ2VzIGJ1dCBmb3IgYQpkaWZmZXJlbnQgcmVhc29uIHRoYXQg aGFzIHRvIGRvIHdpdGggTFBBMiBzdXBwb3J0IChJIGRvdWJ0IHdlIG5lZWQgdGhpcwpmb3IgdGhl IHVzZXIgbWFwcGluZyBidXQgd2UgbmVlZCB0byB1bnRhbmdsZSBzb21lIG9mIHRoZSBtYWNyb3Mg dGhlcmU7CnRoYXQncyBmb3IgYSBzZXBhcmF0ZSBkaXNjdXNzaW9uKS4KClRoYXQgc2FpZCwgd2Ug aGF2ZW4ndCBlbmNvdW50ZXJlZCBhbnkgdXNlciBzcGFjZSBwcm9ibGVtcyB3aXRoIGEgNDgtYml0 CkRFRkFVTFRfTUFQX1dJTkRPVy4gU28gSSBhbHNvIHRoaW5rIFJJU0MtViBzaG91bGQgZm9sbG93 IGEgc2ltaWxhcgphcHByb2FjaCAoNDcgb3IgNDggYml0IGRlZmF1bHQgbGltaXQpLiBCZXR0ZXIg dG8gaGF2ZSBzb21lIEFCSQpjb25zaXN0ZW5jeSBiZXR3ZWVuIGFyY2hpdGVjdHVyZXMuIE9uZSBj YW4gc3RpbGwgYXNrIGZvciBhZGRyZXNzZXMgYWJvdmUKdGhpcyBkZWZhdWx0IGxpbWl0IHZpYSBt bWFwKCkuCgotLSAKQ2F0YWxpbgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtc25wcy1hcmMgbWFpbGluZyBsaXN0CmxpbnV4LXNucHMtYXJjQGxp c3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1zbnBzLWFyYwo=