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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E62B5C0015E for ; Fri, 28 Jul 2023 13:52:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7DD718D0005; Fri, 28 Jul 2023 09:52:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 78BF18D0001; Fri, 28 Jul 2023 09:52:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 654668D0005; Fri, 28 Jul 2023 09:52:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 573B98D0001 for ; Fri, 28 Jul 2023 09:52:19 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 19F651A1199 for ; Fri, 28 Jul 2023 13:52:19 +0000 (UTC) X-FDA: 81061159998.26.2158955 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by imf26.hostedemail.com (Postfix) with ESMTP id 8226D140008 for ; Fri, 28 Jul 2023 13:52:15 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=microchip.com header.s=mchp header.b=yLlMFdyy; spf=pass (imf26.hostedemail.com: domain of Conor.Dooley@microchip.com designates 68.232.154.123 as permitted sender) smtp.mailfrom=Conor.Dooley@microchip.com; dmarc=pass (policy=quarantine) header.from=microchip.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1690552335; a=rsa-sha256; cv=none; b=GQhcKRDmRd3ErTLxFcRhXjVUXjj6KAudTRC6U5oN6/HWRz8S9NVwBzdmPIIRLVfMgRW412 BLJWlU+eMHgVXS92iVKRMR3ZEN/gg1/THHkU6uF9CCkFBZQqOmiBEl6eWUz77GDhBNPPGu 8yWpERuqJirTwcLV5vmnKy3/NLZj4O4= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=microchip.com header.s=mchp header.b=yLlMFdyy; spf=pass (imf26.hostedemail.com: domain of Conor.Dooley@microchip.com designates 68.232.154.123 as permitted sender) smtp.mailfrom=Conor.Dooley@microchip.com; dmarc=pass (policy=quarantine) header.from=microchip.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1690552335; h=from:from:sender: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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=3FGr7bwDQKXG7iSYVx3Kl4lcF1FRUAOTsbVU0iOUThw=; b=M3PX9XzC/1xWwIMLIAj3JKVc1xaXmlxn3fT3hrX7An2OKSlzS/MqK8C2zVX3HdofD7FEO4 YGgWuFCA6ukCS//zqV2yCPBgvkn4aSuJgmeVV8d0Vm7FW+sj6Vz0uLi9T88kSsQCi4Kozm frdXmEfes0WosxAfeKqBWaIN3Rq4NbU= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1690552335; x=1722088335; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=13yUOGGfMfswl4RW/YVIRSa8RvBKZJkyMPeM4Uwztbc=; b=yLlMFdyyRErexp3mhWzKa4EVqGaKgg30AxeGTrjKPtRf6RPoZgz5s/lB dGp5dHtT8tG1J0ugSOU6EYsxrcNlxo07Y+riXE6h8Yai5T5JY4bRa1o6T 93qAb2bTMGoMfL3l7EbrE9ZVYRyIyJmyH8sdAPRXzvbhoaZWOGAyMBKvD bwHVzIye09Wx05oP80x2MK4PwdA5dlZszNIt66Ouph6xaevw0pI8qhDro aYKw7dS4VV3KZElhrjSaUE69DPDRoKzKL39lJoKayiVKvm9EDKrmYuUe7 ZSeKN7o18nsxFYOY67XFAIPwyttmriNZ/yCQ4aw8Bvv88A7f07U2I5DPj Q==; X-IronPort-AV: E=Sophos;i="6.01,237,1684825200"; d="asc'?scan'208";a="163744085" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 28 Jul 2023 06:52:12 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 28 Jul 2023 06:52:08 -0700 Received: from wendy (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21 via Frontend Transport; Fri, 28 Jul 2023 06:52:06 -0700 Date: Fri, 28 Jul 2023 14:51:31 +0100 From: Conor Dooley To: Andrew Jones CC: Alexandre Ghiti , Will Deacon , "Aneesh Kumar K . V" , Andrew Morton , Nick Piggin , Peter Zijlstra , Mayuresh Chitale , Vincent Chen , Paul Walmsley , Palmer Dabbelt , Albert Ou , , , , Subject: Re: [PATCH v2 3/4] riscv: Make __flush_tlb_range() loop over pte instead of flushing the whole tlb Message-ID: <20230728-snout-defiance-082befdeaa51@wendy> References: <20230727185553.980262-1-alexghiti@rivosinc.com> <20230727185553.980262-4-alexghiti@rivosinc.com> <20230728-f2cd8ddd252c2ece2e438790@orel> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="avaIEXfS61g8yoTO" Content-Disposition: inline In-Reply-To: <20230728-f2cd8ddd252c2ece2e438790@orel> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 8226D140008 X-Stat-Signature: qx48d6n3esryhz83a46cjnaxxra5fnfg X-Rspam-User: X-HE-Tag: 1690552335-485034 X-HE-Meta: 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 xXqz2mdC YRi5f2qtOurYYLLWGmsZEHQMUBpuDWVrKb4wF4EaNB77I9Vv5ZN9XGrfnV4kjCA81FYyJKh4yDH/CWbuFzY3Qo7BWTluxhiZDAIsvqDQAk1SPU7+P2BPk3BYVeyVLFWuwxodZznrzPUr92l70jYk8DLbF44abfbdQRDN3lh0BQupICsBkFkvnIo4drr5fa6eGwrgq3qC0sqOTXV71RPS15X6ck4NMbinmQmGq+19RMdks8oEPwgBjWEczd2baPfHwvew9EzTQgGh+I4Pbgja7CbKGEW+Z/SYV0bp4iRMwwSttYXixDjt6yndh8za6Gg46nq9nYGshQ7sjdxCr+QApo7jA3EDS+Pnbs1/E+Gkh0pXet8w= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --avaIEXfS61g8yoTO Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jul 28, 2023 at 03:32:35PM +0200, Andrew Jones wrote: > On Thu, Jul 27, 2023 at 08:55:52PM +0200, Alexandre Ghiti wrote: > > + else if (size =3D=3D (unsigned long)-1) >=20 > The more we scatter this -1 around, especially now that we also need to > cast it, the more I think we should introduce a #define for it. Please. --avaIEXfS61g8yoTO Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZMPH4wAKCRB4tDGHoIJi 0pcKAP98p/ImDQ/uxeHvVZf6GCqG6+uNVE4h+qEzQF4LDzyZJAEAu/5LBu9gRRSH /J59XOyZqO6G+WA6CW2Eh+46AhRzmwc= =3/WE -----END PGP SIGNATURE----- --avaIEXfS61g8yoTO--