On 07/01/2019 06:58 PM, Guenter Roeck wrote: > On 7/1/19 2:35 AM, Anshuman Khandual wrote: >> Architectures like parisc enable CONFIG_KROBES without having a definition >> for kprobe_fault_handler() which results in a build failure. Arch needs to >> provide kprobe_fault_handler() as it is platform specific and cannot have >> a generic working alternative. But in the event when platform lacks such a >> definition there needs to be a fallback. >> >> This adds a stub kprobe_fault_handler() definition which not only prevents >> a build failure but also makes sure that kprobe_page_fault() if called will >> always return negative in absence of a sane platform specific alternative. >> >> While here wrap kprobe_page_fault() in CONFIG_KPROBES. This enables stud >> definitions for generic kporbe_fault_handler() and kprobes_built_in() can >> just be dropped. Only on x86 it needs to be added back locally as it gets >> used in a !CONFIG_KPROBES function do_general_protection(). >> >> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx> >> --- >> I am planning to go with approach unless we just want to implement a stub >> definition for parisc to get around the build problem for now. >> >> Hello Guenter, >> >> Could you please test this in your parisc setup. Thank you. >> > > With this patch applied on top of next-20190628, parisc:allmodconfig builds > correctly. I scheduled a full build for tonight for all architectures. How did that come along ? Did this pass all build tests ?