On Fri, Jun 13, 2025 at 09:19:12AM +0530, Dev Jain wrote:
> If CONFIG_UPROBES is not set, a merge subtest fails:
>
> Failure log:
>
> 7151 12:46:54.627936 # # # RUN
> merge.handle_uprobe_upon_merged_vma ...
> 7152 12:46:54.639014 # # f /sys/bus/event_source/devices/uprobe/type
> 7153 12:46:54.639306 # # fopen: No such file or directory
> 7154 12:46:54.650451 # # #
> merge.c:473:handle_uprobe_upon_merged_vma:Expected
> read_sysfs("/sys/bus/event_source/devices/uprobe/type", &type) (1) == 0 (0)
> 7155 12:46:54.650730 # # # handle_uprobe_upon_merged_vma: Test terminated
> by assertion
> 7156 12:46:54.661750 # # # FAIL
> merge.handle_uprobe_upon_merged_vma
> 7157 12:46:54.662030 # # not ok 8 merge.handle_uprobe_upon_merged_vma
>
> CONFIG_UPROBES is enabled by CONFIG_UPROBE_EVENTS, which gets enabled by
> CONFIG_FTRACE. Therefore add these configs to selftests/mm/config so that
> CI systems can include this config in the kernel build. To be completely
> safe, add CONFIG_PROFILING too, to enable the dependency chain
> PROFILING -> PERF_EVENTS -> UPROBE_EVENTS -> UPROBES.
>
> Fixes: efe99fabeb11b ("selftests/mm: add test about uprobe pte be orphan
> during vma merge")
> Reported-by: Aishwarya <[email protected]>
> Closes:
> https://lore.kernel.org/all/[email protected]/
> Tested-by: Aishwarya TCV <[email protected]>
> Tested-by : Donet Tom <[email protected]>
> Reviewed-by: Lorenzo Stoakes <[email protected]>
> Signed-off-by: Dev Jain <[email protected]>
Reviewed-by: Pedro Falcato <[email protected]>
--
Pedro
