Re: Very weird assembly failure (was Re: UP kernel performance and Matt Dillon's patches)

[Chris Piazza]

On Tue, Mar 28, 2000 at 07:48:00PM -0800, Matthew Dillon wrote:
>     I found a couple of minor nits, but only one real bug.  In i386/swtch.s
>     I forgot to change out a WANT_RESCHED for AST_RESCHED:
> 
>     The problem is that a kernel build is not reporting any errors!   
>     WANT_RESCHED does not exist at all, anywhere.  If I change it to 
>     a garbage name the kernel still builds.  I don't get it.
> 
>     In anycase, please try changing WANT_RESCHED to AST_RESCHED in
>     i386/i386/swtch.s and see if that fixes the reported performance
>     problems.  If WANT_RESCHED defaults to 0 by being undefined, then
>     the reschedule flag is never cleared when a context switch is made
>     and this could certainly lead to problems.

Changing it to AST_RESCHED did not fix the problem for me.

-Chris
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