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SubjectRe: [PATCH] task_struct colouring ...
Davide Libenzi wrote:

>
> Again this is the "current" diff :
>
> static inline struct task_struct * get_current(void)
> {
> - struct task_struct *current;
> - __asm__("andl %%esp,%0; ":"=r" (current) : "0" (~8191UL));
> - return current;
> + unsigned long *tskptr;
> + __asm__("andl %%esp,%0; ":"=r" (tskptr) : "0" (~8191UL));
> + return (struct task_struct *) *tskptr;
> }
>
> that will probably resolve in something like:
>
> movl %esp, %eax
> andl $-8192, %eax
> movl (%eax), %eax
>


This seems to confuddle the idea of colouring the kernel stack.

-hpa


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