Re: [PATCH v3 2/2] printk: console: Support console-specific loglevels

[Chris Down]

kernel test robot writes:
> sparse warnings: (new ones prefixed by >>)
> > > kernel/printk/sysctl.c:31:47: sparse: sparse: incorrect type in argument 3 (different address spaces) @@     expected void * @@     got void [noderef] __user *buffer @@
>   kernel/printk/sysctl.c:31:47: sparse:     expected void *
>   kernel/printk/sysctl.c:31:47: sparse:     got void [noderef] __user *buffer

Ah, since commit 32927393dc1c ("sysctl: pass kernel pointers to 
->proc_handler") we copy to kernelspace before passing to the callback, so it's 
not a userspace pointer. That's certainly an improvement.

Will fix for v4.