Re: [RFC PATCH 10/13] x86/uintr: Introduce user IPI sender syscalls

[Sohil Mehta]

On 9/29/2021 12:04 AM, Greg KH wrote:
> On Tue, Sep 28, 2021 at 11:01:54AM -0700, Sohil Mehta wrote:
> > Is this reasonable or would you still prefer a pointer?
> Ok, just document it really well that this is NOT a real address used by
> the kernel.  As it is, that's not obvious at all.


Thanks. I'll do that.

> And if this crosses the user/kernel boundry, it needs to be __u64 right?


This one doesn't cross the user/kernel boundary. The kernel programs a 
value in this struct for the hardware to consume.

But there might be other places where I have missed that. I'll fix those.

Thanks,
Sohil