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virt: hvc_sysfs: Fix build for Linux v6.13

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In Linux v6.13, commit 94a20fb9af16 ("sysfs: treewide: constify
attribute callback of bin_attribute::mmap()") changed the type of the
'struct bin_attribute' argument of the bin_attribute:mmap function
pointer to const. Use conftest to detect if this argument is const or
not in the kernel the driver is being compiled against to fix the build.

Bug 4991705

Change-Id: I791d6c9dde50f1444d0339ebd8a18434045f9026
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3261699
Reviewed-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Jon Hunter
2024-12-03 17:54:29 +00:00
parent ef57537991
commit 66ddf2ba6f
3 changed files with 31 additions and 2 deletions
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scripts/conftest/Makefile
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@@ -91,6 +91,7 @@ endef
NV_CONFTEST_FUNCTION_COMPILE_TESTS += __alloc_disk_node_has_lkclass_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += __assign_str_has_no_src_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += aperture_remove_all_conflicting_devices
NV_CONFTEST_FUNCTION_COMPILE_TESTS += bin_attribute_struct_mmap_has_const_bin_attribute_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_execute_rq_has_no_gendisk_arg
NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_mq_alloc_disk_for_queue
NV_CONFTEST_FUNCTION_COMPILE_TESTS += blk_mq_alloc_queue