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[82.69.66.36]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-486eb2ed0fbsm29878025f8f.3.2026.09.14.14.44.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Sep 2026 14:44:47 -0700 (PDT) Date: Mon, 14 Sep 2026 22:44:32 +0100 From: David Laight To: Markus Elfring Cc: Lorenzo Stoakes , linux-kbuild@vger.kernel.org, x86@kernel.org, Albert Ou , Alexandre Courbot , Alexandre Ghiti , Alexey Gladkov , Alice Ryhl , Andreas Hindborg , Ard Biesheuvel , Arnd Bergmann , Benno Lossin , Bill Wendling , =?UTF-8?B?QmrDtnJu?= Roy Baron , Boqun Feng , Borislav Petkov , Catalin Marinas , Daniel Almeida , Danilo Krummrich , Dave Hansen , Gary Guo , "Gustavo A. R. Silva" , "H. Peter Anvin" , Ilias Apalodimas , Ingo Molnar , Jonathan Corbet , Josh Poimboeuf , Justin Stitt , Kees Cook , Linus Torvalds , Mark Rutland , Masahiro Yamada , Miguel Ojeda , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , Onur =?UTF-8?B?w5Z6a2Fu?= , Palmer Dabbelt , Paul Walmsley , Peter Zijlstra , Randy Dunlap , Tamir Duberstein , Thomas Gleixner , Trevor Gross , Will Deacon , LKML , kernel-janitors@vger.kernel.org, linux-hardening@vger.kernel.org, linux-doc@vger.kernel.org, linux-efi@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-arch@vger.kernel.org, llvm@lists.linux.dev, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jens Axboe Subject: Re: [PATCH v2 03/21] kallsyms: output binary data to speed output and kallsyms assembly Message-ID: <20260914224432.7ed40d48@pumpkin> In-Reply-To: References: <20260914-build-speedup-v2-3-39817ec5db23@kernel.org> X-Mailer: Claws Mail 4.1.1 (GTK 3.24.38; arm-unknown-linux-gnueabihf) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260914_144450_186225_AAA462A5 X-CRM114-Status: GOOD ( 20.96 ) 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 T24gTW9uLCAxNCBTZXAgMjAyNiAyMjoxNjoxMiArMDIwMApNYXJrdXMgRWxmcmluZyA8TWFya3Vz LkVsZnJpbmdAd2ViLmRlPiB3cm90ZToKCj4g4oCmCj4gPiArKysgYi9zY3JpcHRzL2thbGxzeW1z LmMgIAo+IOKApgo+ID4gQEAgLTQxMywyNiArNDM4LDI0IEBAIHN0YXRpYyB2b2lkIHdyaXRlX3Ny Yyh2b2lkKQo+ID4gIAkJLyogRW5jb2RlIGxlbmd0aCB3aXRoIFVMRUIxMjguICovCj4gPiAgCQlp ZiAodGFibGVbaV0tPmxlbiA8PSAweDdGKSB7Cj4gPiAgCQkJLyogTW9zdCBzeW1ib2xzIHVzZSBh IHNpbmdsZSBieXRlIGZvciB0aGUgbGVuZ3RoLiAqLwo+ID4gLQkJCXByaW50ZigiXHQuYnl0ZSAw eCUwMngiLCB0YWJsZVtpXS0+bGVuKTsKPiA+ICsJCQlmcHV0Yyh0YWJsZVtpXS0+bGVuLCBvdXRf YmluX2ZpbGUpOwo+ID4gIAkJCW9mZiArPSB0YWJsZVtpXS0+bGVuICsgMTsKPiA+ICAJCX0gZWxz ZSB7Cj4gPiAgCQkJLyogIkJpZyIgc3ltYm9scyB1c2UgdHdvIGJ5dGVzLiAqLwo+ID4gLQkJCXBy aW50ZigiXHQuYnl0ZSAweCUwMngsIDB4JTAyeCIsCj4gPiAtCQkJCSh0YWJsZVtpXS0+bGVuICYg MHg3RikgfCAweDgwLAo+ID4gLQkJCQkodGFibGVbaV0tPmxlbiA+PiA3KSAmIDB4N0YpOwo+ID4g KwkJCWZwdXRjKCh0YWJsZVtpXS0+bGVuICYgMHg3RikgfCAweDgwLCBvdXRfYmluX2ZpbGUpOwo+ ID4gKwkJCWZwdXRjKCh0YWJsZVtpXS0+bGVuID4+IDcpICYgMHg3Riwgb3V0X2Jpbl9maWxlKTsK PiA+ICAJCQlvZmYgKz0gdGFibGVbaV0tPmxlbiArIDI7Cj4gPiAgCQl9Cj4gPiAtCQlmb3IgKGsg PSAwOyBrIDwgdGFibGVbaV0tPmxlbjsgaysrKQo+ID4gLQkJCXByaW50ZigiLCAweCUwMngiLCB0 YWJsZVtpXS0+c3ltW2tdKTsKPiA+ICsJCWZ3cml0ZSh0YWJsZVtpXS0+c3ltLCAxLCB0YWJsZVtp XS0+bGVuLCBvdXRfYmluX2ZpbGUpOwo+ID4gIAo+ID4gIAkJLyoKPiA+ICAJCSAqIE5vdyB0aGF0 IHdlIHdyb3RlIG91dCB0aGUgY29tcHJlc3NlZCBzeW1ib2wgbmFtZSwgcmVzdG9yZSB0aGUKPiA+ IC0JCSAqIG9yaWdpbmFsIG5hbWUgYW5kIHByaW50IGl0IGluIHRoZSBjb21tZW50Lgo+ID4gKwkJ ICogb3JpZ2luYWwgbmFtZSBmb3IgdGhlIGNvbW1lbnRzIGJlbG93Lgo+ID4gIAkJICovCj4gPiAg CQlleHBhbmRfc3ltYm9sKHRhYmxlW2ldLT5zeW0sIHRhYmxlW2ldLT5sZW4sIGJ1Zik7Cj4gPiAg CQlzdHJjcHkoKGNoYXIgKil0YWJsZVtpXS0+c3ltLCBidWYpOwo+ID4gLQkJcHJpbnRmKCJcdC8q ICVzICovXG4iLCB0YWJsZVtpXS0+c3ltKTsKPiA+ICAJfQo+ID4gKwl3cml0ZV9pbmNiaW4ob3V0 X2Jpbl9uYW1lLCBiaW5fc3RhcnQsIGJpbl9wb3Mob3V0X2Jpbl9maWxlKSk7Cj4gPiAgCXByaW50 ZigiLnNpemUga2FsbHN5bXNfbmFtZXMsIC4gLSBrYWxsc3ltc19uYW1lc1xuIik7Cj4gPiAgCXBy aW50ZigiXG4iKTsKPiA+ICAgIAo+IOKApgo+IAo+IEkgc3VnZ2VzdCB0byBhdm9pZCByZXR1cm4g dmFsdWUgaWdub3JhbmNlIGEgYml0IG1vcmUuCj4gaHR0cHM6Ly9jbXUtc2VpLmdpdGh1Yi5pby9z ZWN1cmUtY29kaW5nLXN0YW5kYXJkcy9zZWktY2VydC1jLWNvZGluZy1zdGFuZGFyZC9ydWxlcy9l cnJvci1oYW5kbGluZy1lcnIvZXJyMzMtYy8KPiBodHRwczovL2N3ZS5taXRyZS5vcmcvZGF0YS9k ZWZpbml0aW9ucy8yNTIuaHRtbAoKQW5kIEkgc3VnZ2VzdCB5b3UgZG8gc29tZSByZWFsIGNvZGlu Zy4uLgpUaGUgZXJyb3IgaXMgc3RpY2t5IGFuZCBjYW4gYmUgY2hlY2tlZCB1c2luZyBmZXJyb3Io KS4KQ29kZSB0aGF0IGxvb2tzIGF0IHRoZSByZXR1cm4gdmFsdWUgZnJvbSBmcHJpbnRmKCkgZndy aXRlKCkgZXRjIGlzIHZlcnkKb2Z0ZW4gYnJva2VuIGJlY2F1c2UgdGhlIG9ubHkgdGltZSB0aGV5 IGNhbiBhY3R1YWwgZmFpbCBpcyB3aGVuIHRoZQpidWZmZXIgaXMgZmx1c2hlZCBkdXJpbmcgY2xv c2UuCkFkZGluZyBlcnJvciBjaGVja3MgdG8gZXZlcnkgY2FsbCBqdXN0IG1ha2UgdGhlIGNvZGUg dW5yZWFkYWJsZS4KCkRhdmlkCgo+IAo+IFJlZ2FyZHMsCj4gTWFya3VzCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBs aXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=