On Mon, Sep 23, 2024 at 03:19:42PM +0100, Vincenzo Frascino wrote: > --- a/include/uapi/linux/random.h > +++ b/include/uapi/linux/random.h > @@ -44,30 +44,6 @@ struct rand_pool_info { > __u32 buf[]; > }; > > -/* > - * Flags for getrandom(2) > - * > - * GRND_NONBLOCK Don't block and return EAGAIN instead > - * GRND_RANDOM No effect > - * GRND_INSECURE Return non-cryptographic random bytes > - */ > -#define GRND_NONBLOCK 0x0001 > -#define GRND_RANDOM 0x0002 > -#define GRND_INSECURE 0x0004 > - > -/** > - * struct vgetrandom_opaque_params - arguments for allocating memory for vgetrandom > - * > - * @size_per_opaque_state: Size of each state that is to be passed to vgetrandom(). > - * @mmap_prot: Value of the prot argument in mmap(2). > - * @mmap_flags: Value of the flags argument in mmap(2). > - * @reserved: Reserved for future use. > - */ > -struct vgetrandom_opaque_params { > - __u32 size_of_opaque_state; > - __u32 mmap_prot; > - __u32 mmap_flags; > - __u32 reserved[13]; > -}; > +#include <vdso/random.h> > > #endif /* _UAPI_LINUX_RANDOM_H */ > diff --git a/include/uapi/vdso/random.h b/include/uapi/vdso/random.h > new file mode 100644 > index 000000000000..5c80995129c2 > --- /dev/null > +++ b/include/uapi/vdso/random.h > @@ -0,0 +1,38 @@ > + I really do not like this. This is UAPI, and it's linux/something.h style of UAPI. What does moving it to vdso/ accomplish except confusion for people looking where the code is and then polluting users' /usr/include with extra directories that aren't meaningful? A change like this makes me think the approach taken by this patchset might not be the right one.