Kumar Gala wrote: > On May 21, 2008, at 3:55 PM, Rune Torgersen wrote: >> Argh... Found it. Had to set CONFIG_TASK_SIZE to 0x80000000. Now it >> works in both vaniulla an d RT kernel. > > We should really add some sanity check on CONFIG_TASK_SIZE vs > KERNEL_START.
Something like this? Wording sould probablyy be a bit different/cleare. diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index fd98ca9..72e0e3f 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -81,6 +81,10 @@ extern struct task_struct *last_task_used_altivec; extern struct task_struct *last_task_used_spe; #ifdef CONFIG_PPC32 + +#if CONFIG_TASK_SIZE > CONFIG_KERNEL_START +#error User TASK_SIZE overlaps with KERNEL_START address +#endif #define TASK_SIZE (CONFIG_TASK_SIZE) /* This decides where the kernel will search for a free chunk of vm _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev