From patchwork Tue Aug 8 03:57:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robbie Cao X-Patchwork-Id: 28533 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 832C7C04A6A for ; Tue, 8 Aug 2023 03:58:37 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by mx.groups.io with SMTP id smtpd.web10.54407.1691467108621230817 for ; Mon, 07 Aug 2023 20:58:29 -0700 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=pass (domain: arm.com, ip: 217.140.110.172, mailfrom: robbie.cao@arm.com) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B85C0D75; Mon, 7 Aug 2023 20:59:10 -0700 (PDT) Received: from a015972.shanghai.arm.com (a015972.shanghai.arm.com [10.169.188.143]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 613B73F59C; Mon, 7 Aug 2023 20:58:26 -0700 (PDT) From: Robbie Cao To: meta-arm@lists.yoctoproject.org Cc: robbie.cao@arm.com, diego.sueiro@arm.com, peter.hoyes@arm.com Subject: [PATCH] arm/recipes-kernel: Add preempt-rt support for generic-arm64 Date: Tue, 8 Aug 2023 11:57:52 +0800 Message-Id: <20230808035752.1894696-1-robbie.cao@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Tue, 08 Aug 2023 03:58:37 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-arm/message/4941 Add kernel configuration necessary to build an image with preempt-rt support for generic-arm64. And tweak kernel configuration for preempt-rt kernel. Signed-off-by: Robbie Cao --- .../generic-arm64-preempt-rt-tweaks.cfg | 4 ++++ .../files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc | 7 +++++++ 2 files changed, 11 insertions(+) create mode 100644 meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt-tweaks.cfg create mode 100644 meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc diff --git a/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt-tweaks.cfg b/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt-tweaks.cfg new file mode 100644 index 00000000..84e0dd71 --- /dev/null +++ b/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt-tweaks.cfg @@ -0,0 +1,4 @@ +# These configurations have a dependency on !PREEMPT_RT. Set them to `n` to +# avoid complain when do_kernel_configcheck. +CONFIG_LEDS_TRIGGER_CPU=n +CONFIG_TRANSPARENT_HUGEPAGE=n diff --git a/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc b/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc new file mode 100644 index 00000000..ae97c2e2 --- /dev/null +++ b/meta-arm/recipes-kernel/linux/files/generic-arm64-kmeta/generic-arm64-preempt-rt.scc @@ -0,0 +1,7 @@ +define KMACHINE generic-arm64 +define KTYPE preempt-rt +define KARCH arm64 + +kconf hardware generic-arm64-preempt-rt-tweaks.cfg +include ktypes/preempt-rt/preempt-rt.scc +include features/bluetooth/bluetooth.scc