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Fri, 28 Aug 2026 15:54:00 -0500 Received: from [10.249.64.139] ([10.249.64.139]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 67SKrxCW3473186; Fri, 28 Aug 2026 15:53:59 -0500 Message-ID: Date: Fri, 28 Aug 2026 15:54:00 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [meta-ti][scarthgap][PATCH v3] ti-vendor-kernel-headers: add recipe for TI-only dma-heap.h ioctl To: Denys Dmytriyenko , CC: , , , , , , References: <20260828145834.1304057-1-gehariprasath@ti.com> <20260828174448.GK19759@denix.org> Content-Language: en-US From: Ryan Eatmon In-Reply-To: <20260828174448.GK19759@denix.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN2PEPF0000449D:EE_|CH4PR10MB8228:EE_ X-MS-Office365-Filtering-Correlation-Id: 42fe7938-8982-4530-0674-08df05468e68 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|82310400026|36860700016|376014|1800799024|4143699003|56012099006|10067099003|3023799007|18002099003|22082099003; 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Fri, 28 Aug 2026 20:54:49 -0000 X-Groupsio-URL: https://lists.yoctoproject.org/g/meta-ti/message/20308 On 8/28/2026 12:44 PM, Denys Dmytriyenko wrote: > On Fri, Aug 28, 2026 at 08:28:34PM +0530, Hari Prasath via lists.yoctoproject.org wrote: >> The TI vendor kernel's dma-heap.h carries DMA_HEAP_IOCTL_EXPORT in >> downstream. The standard header provided by linux-libc-headers' wouldn't >> have the custom changes.Copy it straight from the kernel's staged >> source tree (STAGING_KERNEL_DIR) into a separate /usr/include/ti/linux >> path instead, for userspace code that needs it. >> >> Signed-off-by: Hari Prasath Gujulan Elango >> --- >> v1->v2: Address review comments in commit message and recipe description >> v2->v3: Fix the patch subject prefix >> >> .../ti-vendor-kernel-headers_1.0.bb | 17 +++++++++++++++++ >> 1 file changed, 17 insertions(+) >> create mode 100644 meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb >> >> diff --git a/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb b/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb >> new file mode 100644 >> index 000000000..5d570689a >> --- /dev/null >> +++ b/meta-ti-bsp/recipes-kernel/ti-vendor-kernel-headers/ti-vendor-kernel-headers_1.0.bb >> @@ -0,0 +1,17 @@ >> +SUMMARY = "TI vendor kernel uapi headers not present in mainline linux-libc-headers" >> +DESCRIPTION = "Copies select UAPI headers straight from the TI vendor kernel source \ >> +tree into a TI-specific include path (/usr/include/ti/linux), for userspace code \ >> +that needs them but can't rely on linux-libc-headers carrying TI-only additions." >> +LICENSE = "GPL-2.0-only" >> +LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/GPL-2.0-only;md5=801f80980d171dd6425610833a22dbe6" >> + >> +PACKAGE_ARCH = "${MACHINE_ARCH}" >> + >> +do_configure[depends] += "virtual/kernel:do_shared_workdir" > > Why do you need this dependency for do_configure? Moreover, since you don't > have do_configure nor do_compile, you might want to mark them as "noexec" > > >> +do_install[depends] += "virtual/kernel:do_shared_workdir" > > How do you ensure that virtual/kernel is the TI vendor kernel? If it's not, > you'll be copying the original unmodified header into the ti/linux location. Should this just be part of the linux-ti-staging recipes? That way we can correctly only include it in the versions that have this file? >> + >> +do_install() { >> + install -d ${D}${includedir}/ti/linux >> + install -m 0644 ${STAGING_KERNEL_DIR}/include/uapi/linux/dma-heap.h ${D}${includedir}/ti/linux/dma-heap.h >> +} >> + >> -- >> 2.34.1 -- Ryan Eatmon reatmon@ti.com ----------------------------------------- Texas Instruments, Inc. - LCPD - MGTS