KSE/ia64 & thr_spinlock.c:1.18: problem identified

[Daniel Eischen]

On Wed, 26 Nov 2003, Marcel Moolenaar wrote:

> Ok,
> 
> I found what the problem is. Syscalls that got interrupted were not
> restarted when they should be. This is the result of using the KSE
> internal context functions, when we should be going through the
> kernel. So, the end result is that we do in fact need a syscall to
> switch KSE contexts. Attached a patch to add such syscall. Please
> review (ia64 specific changes to make use of the syscall are not
> included).

We don't need this for x86 or amd64, at least AFAICT, correct?
How does a context get marked so one knows that you need to use
kse_switchin()?

BTW, why do we have to go through the kernel for ia64 in this
case?

-- 
Dan Eischen