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 EFB58CCF9EE for ; Mon, 27 Oct 2025 08:45:01 +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:Date:MIME-Version:References:Subject:Cc :To:From:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: List-Owner; bh=FekeZg6tNZORvMi7AXSlkaA6DyZjY6NMN3PcV2yh4SU=; b=AYMbG46jO/P6zk uLssmdnd94yAZqgM1pG4fPlOWCqGLfOP3v5xmjTnUTM+vTWeQFFe1+Uff3pjj+Ti6lbz2ef/nzlrB Lr3t3Hhy6v1bBt/EuDi3Jta8QYnq9jzmISk23ldGtRpzsGsKLYBoyUuaucK4n9NmdFZAxBf7Lj7ts iDEI+bXBXSWFO0LNGGO8se+ci+cg0pwNTQTMYHuRpWTeAerkcEHjgdgd6fe3Qo2C65dD+wWh4rqJC z+fByS8pTLFUy12GEFGa4+AyZ7Kh0zlGORAMHM5gEYEeD92Ep3Py6MeiwFhFxXkvynHLQ+Mwq49an /F8sqqJXCHPYRIQADCTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDIqO-0000000DP4r-0HQw; Mon, 27 Oct 2025 08:44:48 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDIpf-0000000DOBt-3gjw; Mon, 27 Oct 2025 08:44:09 +0000 Message-ID: <20251027083745.736737934@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1761554641; 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: references:references; bh=435+37KhAU0mhng1XnAbeS2nHoeU+rxEjwbVMsKftxA=; b=I4Kw5Ywek/IX9WMSt/JXEa6snrzGFocVq/IjZtkNm1ANMjiG+drhyzT6KMpNFoZ81+hpq6 7eExgfokt10EBfmMcQQqV3fHS7o+tZ1wKnuLPw3dhoCmS+7DNc4GlQebCPGHmHeHNEXGGv dHUpqGVUsaIl7lhAhzePlzvZ9TZmCnQJkRaIhw6kSszp+Oe3T28gR/NmuCpMOdRMmdbgWK 49R4Iz46M9aRnw8O5tqYDlJeRDC1t10xoiAaSTGN43wU0DwX72QRSrd7bLWPPaoJLnpDRt WsrcrnhgR+2dkKcsStXQmlVjHMHAgmZ8OHZztJdfAQhnJWROQZ2fWyeT4rsVLg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1761554641; 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: references:references; bh=435+37KhAU0mhng1XnAbeS2nHoeU+rxEjwbVMsKftxA=; b=5fUpbazZrmkMXN7jn9+9G33jFnKwKg6Vab+X7NXNyTTxhdWjb/TPTSoWsl2TtGRcijzTye 9yPo5IrGwO3RP/DA== From: Thomas Gleixner To: LKML Cc: Peter Zijlstra , Darren Hart , Davidlohr Bueso , =?UTF-8?q?Andr=C3=A9=20Almeida?= , kernel test robot , Russell King , linux-arm-kernel@lists.infradead.org, Linus Torvalds , x86@kernel.org, Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Heiko Carstens , Christian Borntraeger , Sven Schnelle , linux-s390@vger.kernel.org, Mathieu Desnoyers , Andrew Cooper , David Laight , Julia Lawall , Nicolas Palix , Alexander Viro , Christian Brauner , Jan Kara , linux-fsdevel@vger.kernel.org Subject: [patch V5 10/12] futex: Convert to get/put_user_inline() References: <20251027083700.573016505@linutronix.de> MIME-Version: 1.0 Date: Mon, 27 Oct 2025 09:44:00 +0100 (CET) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251027_014404_173639_2A9DEBE1 X-CRM114-Status: GOOD ( 16.63 ) 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 RnJvbTogVGhvbWFzIEdsZWl4bmVyIDx0Z2x4QGxpbnV0cm9uaXguZGU+CgpSZXBsYWNlIHRoZSBv cGVuIGNvZGVkIGltcGxlbWVudGF0aW9uIHdpdGggdGhlIG5ldyBnZXQvcHV0X3VzZXJfaW5saW5l KCkKaGVscGVycy4gVGhpcyBtaWdodCBiZSByZXBsYWNlZCBieSBhIHJlZ3VsYXIgZ2V0L3B1dF91 c2VyKCksIGJ1dCB0aGF0IG5lZWRzCmEgcHJvcGVyIHBlcmZvcm1hbmNlIGV2YWx1YXRpb24uCgpO byBmdW5jdGlvbmFsIGNoYW5nZSBpbnRlbmRlZAoKU2lnbmVkLW9mZi1ieTogVGhvbWFzIEdsZWl4 bmVyIDx0Z2x4QGxpbnV0cm9uaXguZGU+CkNjOiBQZXRlciBaaWpsc3RyYSA8cGV0ZXJ6QGluZnJh ZGVhZC5vcmc+CkNjOiBEYXJyZW4gSGFydCA8ZHZoYXJ0QGluZnJhZGVhZC5vcmc+CkNjOiBEYXZp ZGxvaHIgQnVlc28gPGRhdmVAc3Rnb2xhYnMubmV0PgpDYzogIkFuZHLDqSBBbG1laWRhIiA8YW5k cmVhbG1laWRAaWdhbGlhLmNvbT4KLS0tClY1OiBSZW5hbWUgYWdhaW4gYW5kIHJlbW92ZSB0aGUg aGVscGVycwpWNDogUmVuYW1lIG9uY2UgbW9hcgpWMzogQWRhcHQgdG8gc2NvcGUgY2hhbmdlcwpW MjogQ29udmVydCB0byBzY29wZWQgdmFyaWFudAotLS0KIGtlcm5lbC9mdXRleC9jb3JlLmMgIHwg ICAgNCArLS0KIGtlcm5lbC9mdXRleC9mdXRleC5oIHwgICA1OCArKy0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KIDIgZmlsZXMgY2hhbmdlZCwgNSBpbnNl cnRpb25zKCspLCA1NyBkZWxldGlvbnMoLSkKLS0tCi0tLSBhL2tlcm5lbC9mdXRleC9jb3JlLmMK KysrIGIva2VybmVsL2Z1dGV4L2NvcmUuYwpAQCAtNTgxLDcgKzU4MSw3IEBAIGludCBnZXRfZnV0 ZXhfa2V5KHUzMiBfX3VzZXIgKnVhZGRyLCB1bnMKIAlpZiAoZmxhZ3MgJiBGTEFHU19OVU1BKSB7 CiAJCXUzMiBfX3VzZXIgKm5hZGRyID0gKHZvaWQgKil1YWRkciArIHNpemUgLyAyOwogCi0JCWlm IChmdXRleF9nZXRfdmFsdWUoJm5vZGUsIG5hZGRyKSkKKwkJaWYgKGdldF91c2VyX2lubGluZShu b2RlLCBuYWRkcikpCiAJCQlyZXR1cm4gLUVGQVVMVDsKIAogCQlpZiAoKG5vZGUgIT0gRlVURVhf Tk9fTk9ERSkgJiYKQEAgLTYwMSw3ICs2MDEsNyBAQCBpbnQgZ2V0X2Z1dGV4X2tleSh1MzIgX191 c2VyICp1YWRkciwgdW5zCiAJCQlub2RlID0gbnVtYV9ub2RlX2lkKCk7CiAJCQlub2RlX3VwZGF0 ZWQgPSB0cnVlOwogCQl9Ci0JCWlmIChub2RlX3VwZGF0ZWQgJiYgZnV0ZXhfcHV0X3ZhbHVlKG5v ZGUsIG5hZGRyKSkKKwkJaWYgKG5vZGVfdXBkYXRlZCAmJiBwdXRfdXNlcl9pbmxpbmUobm9kZSwg bmFkZHIpKQogCQkJcmV0dXJuIC1FRkFVTFQ7CiAJfQogCi0tLSBhL2tlcm5lbC9mdXRleC9mdXRl eC5oCisrKyBiL2tlcm5lbC9mdXRleC9mdXRleC5oCkBAIC0yODEsNjMgKzI4MSwxMSBAQCBzdGF0 aWMgaW5saW5lIGludCBmdXRleF9jbXB4Y2hnX3ZhbHVlX2xvCiAJcmV0dXJuIHJldDsKIH0KIAot LyoKLSAqIFRoaXMgZG9lcyBhIHBsYWluIGF0b21pYyB1c2VyIHNwYWNlIHJlYWQsIGFuZCB0aGUg dXNlciBwb2ludGVyIGhhcwotICogYWxyZWFkeSBiZWVuIHZlcmlmaWVkIGVhcmxpZXIgYnkgZ2V0 X2Z1dGV4X2tleSgpIHRvIGJlIGJvdGggYWxpZ25lZAotICogYW5kIGFjdHVhbGx5IGluIHVzZXIg c3BhY2UsIGp1c3QgbGlrZSBmdXRleF9hdG9taWNfY21weGNoZ19pbmF0b21pYygpLgotICoKLSAq IFdlIHN0aWxsIHdhbnQgdG8gYXZvaWQgYW55IHNwZWN1bGF0aW9uLCBhbmQgd2hpbGUgX19nZXRf dXNlcigpIGlzCi0gKiB0aGUgdHJhZGl0aW9uYWwgbW9kZWwgZm9yIHRoaXMsIGl0J3MgYWN0dWFs bHkgc2xvd2VyIHRoYW4gZG9pbmcKLSAqIHRoaXMgbWFudWFsbHkgdGhlc2UgZGF5cy4KLSAqCi0g KiBXZSBjb3VsZCBqdXN0IGhhdmUgYSBwZXItYXJjaGl0ZWN0dXJlIHNwZWNpYWwgZnVuY3Rpb24g Zm9yIGl0LAotICogdGhlIHNhbWUgd2F5IHdlIGRvIGZ1dGV4X2F0b21pY19jbXB4Y2hnX2luYXRv bWljKCksIGJ1dCByYXRoZXIKLSAqIHRoYW4gZm9yY2UgZXZlcnlib2R5IHRvIGRvIHRoYXQsIHdy aXRlIGl0IG91dCBsb25nLWhhbmQgdXNpbmcKLSAqIHRoZSBsb3ctbGV2ZWwgdXNlci1hY2Nlc3Mg aW5mcmFzdHJ1Y3R1cmUuCi0gKgotICogVGhpcyBsb29rcyBhIGJpdCBvdmVya2lsbCwgYnV0IGdl bmVyYWxseSBqdXN0IHJlc3VsdHMgaW4gYSBjb3VwbGUKLSAqIG9mIGluc3RydWN0aW9ucy4KLSAq Lwotc3RhdGljIF9fYWx3YXlzX2lubGluZSBpbnQgZnV0ZXhfZ2V0X3ZhbHVlKHUzMiAqZGVzdCwg dTMyIF9fdXNlciAqZnJvbSkKLXsKLQl1MzIgdmFsOwotCi0JaWYgKGNhbl9kb19tYXNrZWRfdXNl cl9hY2Nlc3MoKSkKLQkJZnJvbSA9IG1hc2tlZF91c2VyX2FjY2Vzc19iZWdpbihmcm9tKTsKLQll bHNlIGlmICghdXNlcl9yZWFkX2FjY2Vzc19iZWdpbihmcm9tLCBzaXplb2YoKmZyb20pKSkKLQkJ cmV0dXJuIC1FRkFVTFQ7Ci0JdW5zYWZlX2dldF91c2VyKHZhbCwgZnJvbSwgRWZhdWx0KTsKLQl1 c2VyX3JlYWRfYWNjZXNzX2VuZCgpOwotCSpkZXN0ID0gdmFsOwotCXJldHVybiAwOwotRWZhdWx0 OgotCXVzZXJfcmVhZF9hY2Nlc3NfZW5kKCk7Ci0JcmV0dXJuIC1FRkFVTFQ7Ci19Ci0KLXN0YXRp YyBfX2Fsd2F5c19pbmxpbmUgaW50IGZ1dGV4X3B1dF92YWx1ZSh1MzIgdmFsLCB1MzIgX191c2Vy ICp0bykKLXsKLQlpZiAoY2FuX2RvX21hc2tlZF91c2VyX2FjY2VzcygpKQotCQl0byA9IG1hc2tl ZF91c2VyX2FjY2Vzc19iZWdpbih0byk7Ci0JZWxzZSBpZiAoIXVzZXJfd3JpdGVfYWNjZXNzX2Jl Z2luKHRvLCBzaXplb2YoKnRvKSkpCi0JCXJldHVybiAtRUZBVUxUOwotCXVuc2FmZV9wdXRfdXNl cih2YWwsIHRvLCBFZmF1bHQpOwotCXVzZXJfd3JpdGVfYWNjZXNzX2VuZCgpOwotCXJldHVybiAw OwotRWZhdWx0OgotCXVzZXJfd3JpdGVfYWNjZXNzX2VuZCgpOwotCXJldHVybiAtRUZBVUxUOwot fQotCisvKiBSZWFkIGZyb20gdXNlciBtZW1vcnkgd2l0aCBwYWdlZmF1bHRzIGRpc2FibGVkICov CiBzdGF0aWMgaW5saW5lIGludCBmdXRleF9nZXRfdmFsdWVfbG9ja2VkKHUzMiAqZGVzdCwgdTMy IF9fdXNlciAqZnJvbSkKIHsKLQlpbnQgcmV0OwotCi0JcGFnZWZhdWx0X2Rpc2FibGUoKTsKLQly ZXQgPSBmdXRleF9nZXRfdmFsdWUoZGVzdCwgZnJvbSk7Ci0JcGFnZWZhdWx0X2VuYWJsZSgpOwot Ci0JcmV0dXJuIHJldDsKKwlndWFyZChwYWdlZmF1bHQpKCk7CisJcmV0dXJuIGdldF91c2VyX2lu bGluZSgqZGVzdCwgZnJvbSk7CiB9CiAKIGV4dGVybiB2b2lkIF9fZnV0ZXhfdW5xdWV1ZShzdHJ1 Y3QgZnV0ZXhfcSAqcSk7CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJh ZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51 eC1yaXNjdgo=