mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
synced 2025-12-23 01:31:30 +03:00
8a10ebd740
In Linux v6.12 the definition 'no_llseek' was finally removed. Since Linux v6.0 it had been redefined as NULL. Add a test to conftest to determine if 'no_llseek' is present and if not then it is no longer necessary to populate this and we can leave as NULL. Bug 4876974 Change-Id: I051fdb285b32260b5913dad89cabe0be04253f67 Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3222106 (cherry picked from commit 7bf81a5b445b01a2adc8b947a29e9ca7db325c6f) Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3270383 Reviewed-by: svcacv <svcacv@nvidia.com> Reviewed-by: Brad Griffis <bgriffis@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
281 lines
14 KiB
Makefile
281 lines
14 KiB
Makefile
###########################################################################
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# SPDX-License-Identifier: MIT
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# SPDX-FileCopyrightText: Copyright (c) 2023-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#
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# Makefile file for NVIDIA Linux conftest
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###########################################################################
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#
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# The parent makefile is expected to define:
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#
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# NV_KERNEL_SOURCES : The root of the kernel source tree.
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# NV_KERNEL_OUTPUT : The kernel's output tree.
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# NV_KERNEL_MODULES : A whitespace-separated list of modules to build.
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# ARCH : The target CPU architecture: x86_64|arm64|powerpc
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#
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# Kbuild provides the variables:
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#
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# $(src) : The directory containing this Kbuild file.
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# $(obj) : The directory where the output from this build is written.
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#
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#
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# The conftest.sh script tests various aspects of the target kernel.
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# The per-module Kbuild files included above should:
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#
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# - Append to the NV_CONFTEST_*_COMPILE_TESTS variables to indicate
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# which conftests they require.
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# - Append to the NV_OBJECTS_DEPEND_ON_CONFTEST variable any object files
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# that depend on conftest.
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#
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# The conftest machinery below will run the requested tests and
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# generate the appropriate header files.
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#
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CC ?= cc
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LD ?= ld
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NV_CONFTEST_SCRIPT := $(src)/conftest.sh
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NV_CONFTEST_HEADER := $(obj)/conftest/headers.h
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NV_CONFTEST_CMD := /bin/sh $(NV_CONFTEST_SCRIPT) \
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"$(CC)" $(ARCH) $(NV_KERNEL_SOURCES) $(NV_KERNEL_OUTPUT)
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NV_CFLAGS_FROM_CONFTEST := $(shell $(NV_CONFTEST_CMD) build_cflags)
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NV_CONFTEST_CFLAGS = $(NV_CFLAGS_FROM_CONFTEST) $(EXTRA_CFLAGS) -fno-pie -Werror -Wno-address-of-packed-member
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NV_CONFTEST_COMPILE_TEST_HEADERS := $(obj)/conftest/macros.h
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NV_CONFTEST_COMPILE_TEST_HEADERS += $(obj)/conftest/functions.h
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NV_CONFTEST_COMPILE_TEST_HEADERS += $(obj)/conftest/symbols.h
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NV_CONFTEST_COMPILE_TEST_HEADERS += $(obj)/conftest/types.h
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NV_CONFTEST_COMPILE_TEST_HEADERS += $(obj)/conftest/generic.h
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NV_CONFTEST_HEADERS := $(obj)/conftest/patches.h
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NV_CONFTEST_HEADERS += $(obj)/conftest/headers.h
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NV_CONFTEST_HEADERS += $(NV_CONFTEST_COMPILE_TEST_HEADERS)
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all: $(NV_CONFTEST_HEADERS)
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#
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# Generate a header file for a single conftest compile test. Each compile test
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# header depends on conftest.sh, as well as the generated conftest/headers.h
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# file, which is included in the compile test preamble.
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#
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$(obj)/conftest/compile-tests/%.h: $(NV_CONFTEST_SCRIPT) $(NV_CONFTEST_HEADER)
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@mkdir -p $(obj)/conftest/compile-tests
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@echo " CONFTEST: $(notdir $*)"
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@$(NV_CONFTEST_CMD) compile_tests '$(NV_CONFTEST_CFLAGS)' \
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$(notdir $*) > $@
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#
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# Concatenate a conftest/*.h header from its constituent compile test headers
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#
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# $(1): The name of the concatenated header
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# $(2): The list of compile tests that make up the header
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#
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define NV_GENERATE_COMPILE_TEST_HEADER
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$(obj)/conftest/$(1).h: $(addprefix $(obj)/conftest/compile-tests/,$(addsuffix .h,$(2)))
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@mkdir -p $(obj)/conftest
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@# concatenate /dev/null to prevent cat from hanging when $$^ is empty
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@cat $$^ /dev/null > $$@
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endef
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#
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# Generate the conftest compile test headers from the lists of compile tests
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# provided by the module-specific Kbuild files.
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#
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += __alloc_disk_node_has_lkclass_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += __assign_str_has_no_src_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_execute_rq_has_no_gendisk_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_mq_alloc_disk_for_queue
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_mq_alloc_queue
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_mq_destroy_queue
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_queue_max_hw_sectors
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += block_device_operations_open_has_gendisk_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += block_device_operations_release_has_no_mode_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += bus_type_struct_match_has_const_drv_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += bus_type_struct_remove_has_int_return_type
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += bus_type_struct_uevent_has_const_dev_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += class_attribute_struct_has_const_struct_class_attribute
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += class_create_has_no_owner_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += class_struct_devnode_has_const_dev_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += define_semaphore_has_number_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += devfreq_dev_profile_has_is_cooling_device
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += devfreq_has_freq_table
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += device_add_disk_has_int_return_type
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += devm_tegra_core_dev_init_opp_table_common
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += devm_thermal_of_zone_register
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += disk_check_media_change
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += dma_slave_config_struct_has_slave_id
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_aperture_remove_framebuffers
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_debugfs_remove_files_has_root_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_driver_struct_has_irq_enabled_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_fb_helper_alloc_info
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_fb_helper_prepare_has_preferred_bpp_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_fb_helper_unregister_info
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_fb_helper_struct_has_info_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_mode_config_struct_has_fb_base_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += drm_scdc_get_set_has_struct_drm_connector_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ethtool_keee_struct_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ethtool_kernel_ethtool_ts_info_struct_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ethtool_ops_get_set_coalesce_has_coal_and_extack_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ethtool_ops_get_set_ringparam_has_ringparam_and_extack_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ethtool_ops_get_set_rxfh_has_rxfh_param_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += fd_empty
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += fd_file
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += folio_entire_mapcount
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += genpd_xlate_t_has_const_of_phandle_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += get_file_rcu_has_double_ptr_file_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += get_user_pages
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += i2c_driver_struct_probe_without_i2c_device_id_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += i2c_driver_struct_has_probe_new
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += i2c_driver_struct_remove_return_type_int
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += i2c_mux_add_adapter_has_no_class_argument
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += iio_dev_opaque_has_mlock
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += iommu_map_has_gfp_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += kthread_complete_and_exit
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += mii_bus_struct_has_read_c45
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += mii_bus_struct_has_write_c45
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += netif_set_tso_max_size
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += netif_napi_add_weight
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += no_llseek
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += of_get_named_gpio_flags
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += gpio_chip_struct_has_of_node_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += gpio_device_find
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += gpio_device_get_chip
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += of_property_for_each_u32_removed_internal_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pde_data
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pwm_chip_struct_has_base_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pwm_chip_struct_has_struct_device
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pwm_ops_struct_has_owner
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_disable_pcie_error_reporting
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_enable_pcie_error_reporting
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epf_alloc_space_has_epc_features_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epf_driver_struct_probe_has_id_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epc_event_ops_struct_has_core_deinit
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epc_event_ops_struct_has_epc_deinit
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epc_event_ops_struct_has_epc_init
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += pci_epc_irq_type_enum_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += platform_driver_struct_remove_returns_void
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += register_shrinker_has_fmt_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += shrinker_alloc
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += slab_mem_spread
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_card_jack_new_has_no_snd_soc_jack_pins
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_component_driver_struct_has_non_legacy_dai_naming
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_dai_link_struct_has_c2c_params_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_dai_ops_struct_has_probe
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_dai_ops_struct_set_channel_map_has_const_slot_args
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_of_get_dai_name_has_index_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += snd_soc_rtd_to_codec
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += simple_util_dai_init
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += spi_get_chipselect
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tc_taprio_qopt_offload_struct_has_cmd
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra264_chip_id
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_dev_iommu_get_stream_id
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tegra_ivc_struct_has_iosys_map
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += thermal_zone_device_priv
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += thermal_zone_for_each_trip
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tty_operations_struct_send_xchar_has_u8_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tty_operations_struct_write_has_u8_ptr_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += tty_operations_struct_set_termios_has_const_ktermios_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ufs_hba_variant_ops_suspend_has_status_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += ufshcd_quirks_enum_has_ufshcd_quirk_broken_64bit_address
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_connection_struct_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_match_type_enum_present
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_subdev_nf_init
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_notifier_init
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_async_nf_init_has_v4l2_dev_arg
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += __v4l2_async_nf_add_subdev
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_subdev_pad_ops_struct_has_get_set_frame_interval
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += v4l2_subdev_pad_ops_struct_has_dv_timings
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += vm_area_struct_has_const_vm_flags
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NV_CONFTEST_GENERIC_COMPILE_TESTS += is_export_symbol_present_drm_gem_prime_fd_to_handle
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NV_CONFTEST_GENERIC_COMPILE_TESTS += is_export_symbol_present_drm_gem_prime_handle_to_fd
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NV_CONFTEST_FUNCTION_COMPILE_TESTS += crypto_engine_ctx_struct_removed_test
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NV_CONFTEST_MACRO_COMPILE_TESTS ?=
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NV_CONFTEST_SYMBOL_COMPILE_TESTS ?=
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NV_CONFTEST_TYPE_COMPILE_TESTS += request_struct_has_completion_data_arg
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$(eval $(call NV_GENERATE_COMPILE_TEST_HEADER,functions,$(NV_CONFTEST_FUNCTION_COMPILE_TESTS)))
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$(eval $(call NV_GENERATE_COMPILE_TEST_HEADER,generic,$(NV_CONFTEST_GENERIC_COMPILE_TESTS)))
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$(eval $(call NV_GENERATE_COMPILE_TEST_HEADER,macros,$(NV_CONFTEST_MACRO_COMPILE_TESTS)))
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$(eval $(call NV_GENERATE_COMPILE_TEST_HEADER,symbols,$(NV_CONFTEST_SYMBOL_COMPILE_TESTS)))
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$(eval $(call NV_GENERATE_COMPILE_TEST_HEADER,types,$(NV_CONFTEST_TYPE_COMPILE_TESTS)))
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$(obj)/conftest/patches.h: $(NV_CONFTEST_SCRIPT)
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@mkdir -p $(obj)/conftest
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@$(NV_CONFTEST_CMD) patch_check > $@
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# Each of these headers is checked for presence with a test #include; a
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# corresponding #define will be generated in conftest/headers.h.
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NV_HEADER_PRESENCE_TESTS = \
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drm/display/drm_dp_aux_bus.h \
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drm/display/drm_dp_helper.h \
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drm/display/drm_scdc_helper.h \
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drm/dp/drm_dp_aux_bus.h \
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drm/dp/drm_dp_helper.h \
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drm/drm_dp_aux_bus.h \
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drm/drm_eld.h \
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generated/autoconf.h \
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linux/kconfig.h \
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linux/iosys-map.h \
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net/gso.h \
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net/page_pool.h \
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ufs/ufshcd.h
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# Filename to store the define for the header in $(1); this is only consumed by
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# the rule below that concatenates all of these together.
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NV_HEADER_PRESENCE_PART = $(addprefix $(obj)/conftest/header_presence/,$(addsuffix .part,$(1)))
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# Define a rule to check the header $(1).
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define NV_HEADER_PRESENCE_CHECK
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$$(call NV_HEADER_PRESENCE_PART,$(1)): $$(NV_CONFTEST_SCRIPT) $(obj)/conftest/uts_release
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@mkdir -p $$(dir $$@)
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@$$(NV_CONFTEST_CMD) test_kernel_header '$$(NV_CONFTEST_CFLAGS)' '$(1)' > $$@
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endef
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# Evaluate the rule above for each header in the list.
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$(foreach header,$(NV_HEADER_PRESENCE_TESTS),$(eval $(call NV_HEADER_PRESENCE_CHECK,$(header))))
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# Concatenate all of the parts into headers.h.
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$(obj)/conftest/headers.h: $(call NV_HEADER_PRESENCE_PART,$(NV_HEADER_PRESENCE_TESTS))
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@cat $^ > $@
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clean-dirs := $(obj)/conftest
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# For any object files that depend on conftest, declare the dependency here.
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$(addprefix $(obj)/,$(NV_OBJECTS_DEPEND_ON_CONFTEST)): | $(NV_CONFTEST_HEADERS)
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# Sanity checks of the build environment and target system/kernel
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BUILD_SANITY_CHECKS = \
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cc_sanity_check \
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cc_version_check \
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module_symvers_sanity_check
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.PHONY: $(BUILD_SANITY_CHECKS)
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$(BUILD_SANITY_CHECKS):
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@$(NV_CONFTEST_CMD) $@ full_output
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# Perform all sanity checks before generating the conftest headers
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$(NV_CONFTEST_HEADERS): | $(BUILD_SANITY_CHECKS)
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# Make the conftest headers depend on the kernel version string
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$(obj)/conftest/uts_release: NV_GENERATE_UTS_RELEASE
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@mkdir -p $(dir $@)
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@NV_UTS_RELEASE="// Kernel version: `$(NV_CONFTEST_CMD) compile_tests '$(NV_CONFTEST_CFLAGS)' uts_release`"; \
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if ! [ -f "$@" ] || [ "$$NV_UTS_RELEASE" != "`cat $@`" ]; \
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then echo "$$NV_UTS_RELEASE" > $@; fi
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.PHONY: NV_GENERATE_UTS_RELEASE
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$(NV_CONFTEST_HEADERS): $(obj)/conftest/uts_release
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