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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 147BAC001E0 for ; Mon, 31 Jul 2023 11:39:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231179AbjGaLjb (ORCPT ); Mon, 31 Jul 2023 07:39:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229724AbjGaLj3 (ORCPT ); Mon, 31 Jul 2023 07:39:29 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 103E8E4A; Mon, 31 Jul 2023 04:39:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1690803568; x=1722339568; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=bk5DMwF7rZz6n/fcjLNabhMTSOkn7DumjJhcd9DMlSE=; b=XlLteRVRzV+S+YpCo5BxMGl9BsndM1yF5onIh/u8+C+62EssvRVqrqeD orc/gt6Xx/FuCdkFawqu79GD8riGZeP8okFTFCHqtvhIExy6jmxW3wth2 djWwj6mffbCgeAvGixxf0GwmUs9dVg7RyJBy12LbAIOqjgHOm/PJRH44+ 3/1PWoYdST29VYetZ5KhfO8tQtgTi+mM8xIWEgAQoUGB8Zq3l/NAzrPll FOqeHItdiRKKb8HPUAURC3eIna92SnOn4y2UTkgB6KGJ3nb+KV3D6cAE5 5msS/P+h+ISU1nu1lHQR15KylqKevXwYchNZouYb2dLGm45glv/jh2K2V A==; X-IronPort-AV: E=Sophos;i="6.01,244,1684825200"; d="asc'?scan'208";a="223112760" X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 31 Jul 2023 04:39:26 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Mon, 31 Jul 2023 04:39:15 -0700 Received: from wendy (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21 via Frontend Transport; Mon, 31 Jul 2023 04:39:12 -0700 Date: Mon, 31 Jul 2023 12:38:37 +0100 From: Conor Dooley To: "Lad, Prabhakar" CC: Jisheng Zhang , Arnd Bergmann , Geert Uytterhoeven , Guo Ren , Andrew Jones , Paul Walmsley , Palmer Dabbelt , Albert Ou , Samuel Holland , , Christoph Hellwig , Rob Herring , Krzysztof Kozlowski , , , , Biju Das , Lad Prabhakar Subject: Re: [PATCH v10 3/6] riscv: mm: dma-noncoherent: nonstandard cache operations support Message-ID: <20230731-tribute-splashing-6a90f443cefe@wendy> References: <20230702203429.237615-1-prabhakar.mahadev-lad.rj@bp.renesas.com> <20230702203429.237615-4-prabhakar.mahadev-lad.rj@bp.renesas.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="d/DKBGEaeBZfjJb+" Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --d/DKBGEaeBZfjJb+ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 31, 2023 at 12:30:43PM +0100, Lad, Prabhakar wrote: > On Sun, Jul 30, 2023 at 4:09=E2=80=AFPM Jisheng Zhang wrote: > > On Sun, Jul 02, 2023 at 09:34:26PM +0100, Prabhakar wrote: > > > From: Lad Prabhakar > > > +config RISCV_NONSTANDARD_CACHE_OPS > > > + bool > > > + depends on RISCV_DMA_NONCOHERENT > > > + help > > > + This enables function pointer support for non-standard noncoh= erent > > > + systems to handle cache management. > > > > Per Documentation/riscv/patch-acceptance.rst: > > > > "we'll only consider patches for extensions that either: > > > > - Have been officially frozen or ratified by the RISC-V Foundation, or > > - Have been implemented in hardware that is widely available, per stand= ard > > Linux practice." > > > > I'm not sure which item this patch series belongs to. > > > Maybe Conor can help me here ;) I'm not entirely sure why you need my help, it's your company that manufactures the SoC that needs this after all.. I think Emil already pointed out that it was the latter of the two. I guess it is not an "extension" in the strictest sense of the word, but it fills the same gap as one, so /shrug. --d/DKBGEaeBZfjJb+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCZMedMAAKCRB4tDGHoIJi 0otyAQCTdXhKY3ZMzXlhBusieryR8/T0KUnMSoyc/nJ6g+0HrQD/ama4ssLUZSV1 /pCK2RUuXSCTW8uPY8nM87ygzQ/AbQ8= =NAG3 -----END PGP SIGNATURE----- --d/DKBGEaeBZfjJb+--