On Thu, Sep 5, 2019 at 8:23 AM Arnd Bergmann <[email protected]> wrote: > > Matt bisected a sparc64 specific issue with semctl, shmctl and msgctl > to a commit from my y2038 series in linux-5.1, as I missed the custom > sys_ipc() wrapper that sparc64 uses in place of the generic version that > I patched. > > The problem is that the sys_{sem,shm,msg}ctl() functions in the kernel > now do not allow being called with the IPC_64 flag any more, resulting > in a -EINVAL error when they don't recognize the command. > > Instead, the correct way to do this now is to call the internal > ksys_old_{sem,shm,msg}ctl() functions to select the API version. > > As we generally move towards these functions anyway, change all of > sparc_ipc() to consistently use those in place of the sys_*() versions, > and move the required ksys_*() declarations into linux/syscalls.h > > Reported-by: Matt Turner <[email protected]> > Fixes: 275f22148e87 ("ipc: rename old-style shmctl/semctl/msgctl syscalls") > Cc: [email protected] > Signed-off-by: Arnd Bergmann <[email protected]> > --- > Hi Matt, > > Can you check that this solves your problem?
Works great. Thank you Arnd! Tested-by: Matt Turner <[email protected]>
