On Thu, Oct 17, 2024 at 10:37:00AM -0700, John Hubbard wrote: > On 10/17/24 10:28 AM, Lorenzo Stoakes wrote: > > On Thu, Oct 17, 2024 at 10:17:54AM -0700, John Hubbard wrote: > > > On 10/17/24 5:06 AM, Lorenzo Stoakes wrote: > ... > > > > #ifndef __TOOLS_LINUX_PIDFD_H > > > > #define __TOOLS_LINUX_PIDFD_H > > > > > > > > /* > > > > * Some systems have issues with the linux/fcntl.h import in linux/pidfd.h, so > > > > * work around this by setting the header guard. > > > > */ > > > > #define _LINUX_FCNTL_H > > > > #include "../../../include/uapi/linux/pidfd.h" > > > > #undef _LINUX_FCNTL_H > > > > > > > > #endif /* __TOOLS_LINUX_PIDFD_H */ > > > > > > > > > > > > Then the test code needs only to update the pidfd.h file to #include > > > > <linux/pidfd.h> and add a simple $(TOOLS_INCLUDES) to the CFLAGS += line in > > > > the pidfd self tests Makefile and we should be all good. > > > > > > Yes. > > > > > > > > > > > That way we always import everything in this header correctly, we directly > > > > document this issue, we include the header as you would in userland and we > > > > should cover off all the issues? > > > > > > Very nice! > > > > Thanks! > > > > I saw from your other thread the idea was to take snapshots and to run scripts > > to compare etc. but I suppose putting this into the known-stub directory > > Actually, I'm not running scripts, because the only time things need to > change is when new selftests require a new include, or when something > changes that selftests depend on. > > > tools/include/linux rather than tools/include/uapi/linux would avoid a conflict > > here. > > This is the first time I've actually looked at tools/include/linux. That > sounds about right, though. > > > > > Or would you say the wrapper should regardless be in the uapi/linux directory? > > > > No, not if there is already a better location, as you pointed out. OK perfect, I have a patch series ready to go with this (and addressing Christian's comments). Shuah - if you are open to this approach then we should be good to go! Thanks > > > thanks, > -- > John Hubbard >
