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[2620:137:e000::1:20]) by mx.google.com with ESMTP id s26-20020aa78bda000000b0063b77e2123csi2289919pfd.26.2023.06.09.02.57.09; Fri, 09 Jun 2023 02:57:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="UBQAX/5u"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241511AbjFIJ23 (ORCPT + 99 others); Fri, 9 Jun 2023 05:28:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241474AbjFIJ2P (ORCPT ); Fri, 9 Jun 2023 05:28:15 -0400 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [IPv6:2607:f8b0:4864:20::b36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E4E4E5FF1 for ; Fri, 9 Jun 2023 02:22:32 -0700 (PDT) Received: by mail-yb1-xb36.google.com with SMTP id 3f1490d57ef6-ba81deea9c2so1584774276.2 for ; Fri, 09 Jun 2023 02:22:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686302547; x=1688894547; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=sXFu4yUMtLkQVLqZs27cGbref0m1NvZ9UABnGnW3Zcc=; b=UBQAX/5uOqkq3FVbYkIpGwXDdC7zYxEj9ZCa2YkX9AgC70xteA6Ot86vmBj6fJUKLy FUScht9XSfZArtomzMF3WkuN2YwxSbadDhQcju/pF0b2/byYXJ2ll5BFy3p82eg4RGay zotuozoiQJnCvgaOUBrABeOjSqMQzLaqVndxuIS3txByOyXrhVHWBEGyYA7E8KDJOpAJ 9NAMtK6HH1f9Mj4BozJXoomHjc9rrP1ueWQ5rR0ghHMsgocsbjw4kzf9as6X+6eg8K9Z SNx+K1M0kVM+qhLww01ec5m7QsZ4Y5HCzE/3n1ffcPm7yaGo5jsowvCodSuYuUOYHZIq eUxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686302547; x=1688894547; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=sXFu4yUMtLkQVLqZs27cGbref0m1NvZ9UABnGnW3Zcc=; b=j85+6Esjzm9u949SiLHDJlW7sXaEfhFhetbSb3Ughvd4WBbQrEG0bXUMUYgcHFufu3 O4sBWiD+LZipRP+u09ZG75KjyvjuC9BZV5qGv3nVb1P4yKg1VRaWjgd0AtUXgqr+MRW9 NoZ1WS/L1+bj52maMQpgxdgcZwwJ0/y7AIl8LgmSeKH02rtymeXFk637bD/1HeymHGYw Rx3BvamfQPKaY5NcArXPLVwYn5ktqcXiaHaEUv/rwAjSPUdHEODiOUoy3MTOEKwUcXLh dLc7RrV2E2kXuqx45+0DX+iROHl9xnsE9HkpPBpqGr4mfm0tipFR/VEKtWqZx9YHmcLU KEpQ== X-Gm-Message-State: AC+VfDyanqoiAnWoGoVYmSeMyVU+g3rT12TsdFQISnf3wai/wFcaAGNh 4PFa/OrqLv6zpNDBoTWCbjHywhFfI8dArMFUW00jjw== X-Received: by 2002:a25:e6cb:0:b0:bad:e86:8fda with SMTP id d194-20020a25e6cb000000b00bad0e868fdamr501993ybh.22.1686302547555; Fri, 09 Jun 2023 02:22:27 -0700 (PDT) MIME-Version: 1.0 References: <20230602115201.415718-1-matthias.schiffer@ew.tq-group.com> <3241150.44csPzL39Z@steina-w> <4784636.LvFx2qVVIh@steina-w> In-Reply-To: <4784636.LvFx2qVVIh@steina-w> From: Linus Walleij Date: Fri, 9 Jun 2023 11:22:16 +0200 Message-ID: Subject: Re: [PATCH 1/2] spi: dt-bindings: introduce linux,use-rt-queue flag To: Alexander Stein Cc: Matthias Schiffer , linux-arm-kernel@lists.infradead.org, Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux@ew.tq-group.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 9, 2023 at 11:13=E2=80=AFAM Alexander Stein wrote: > > I fully sympathize with this problem, because I have faced > > similar problems myself. > > You mean RT-scheduling before userspace is up? Can you elaborate the issu= es > you see? No. But choosing block layer scheduler (BFQ for MMC cards) before userspace is up, which is currently done by udev scripts in eg Fedora :( Yours, Linus Walleij