Chris Friesen writes: > For some background, we're running an emulator that uses a null pointer > value of 0xffff0000 and we want any accesses to that address to trap. > > Do you anticipate any issues with the following change? > > -#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE)) > +#define TASK_SIZE_USER32 (0x00000000FFFF0000UL - (1*PAGE_SIZE))
Can you fix this in userspace instead by moving the stack down below 0xffff0000 and then doing munmap(0xffff0000, 0x1000) ? Paul. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
