Re: [Qemu-ppc] [PATCH] linux-user/ppc: Implement swapcontext syscall

[Richard Henderson]

On 07/19/2018 06:05 AM, Alex Bennée wrote:
> I'm confused by the lock_user_struct/unlock_user_struct which AFAICT are
> basically access checks. Is there an implied locking I'm missing?

I have no idea why those have that name.  There's no lock,
just a validation of the underlying pages and a transform to
the corresponding host address.


r~