89b57fcf01
silent NULL pointer dereference in the i386 and sparc64 pmap_pinit() when the kmem_alloc_nofault() failed to allocate address space. Both functions now return error instead of panicing or dereferencing NULL. As consequence, vmspace_exec() and vmspace_unshare() returns the errno int. struct vmspace arg was added to vm_forkproc() to avoid dealing with failed allocation when most of the fork1() job is already done. The kernel stack for the thread is now set up in the thread_alloc(), that itself may return NULL. Also, allocation of the first process thread is performed in the fork1() to properly deal with stack allocation failure. proc_linkup() is separated into proc_linkup() called from fork1(), and proc_linkup0(), that is used to set up the kernel process (was known as swapper). In collaboration with: Peter Holm Reviewed by: jhb |
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| .. | ||
| crb_machdep.c | ||
| files.crb | ||
| files.i81342 | ||
| i81342_mcu.c | ||
| i81342_pci.c | ||
| i81342_space.c | ||
| i81342.c | ||
| i81342reg.h | ||
| i81342var.h | ||
| iq81342_7seg.c | ||
| iq81342reg.h | ||
| iq81342var.h | ||
| obio_space.c | ||
| obio.c | ||
| obiovar.h | ||
| std.crb | ||
| std.i81342 | ||
| uart_bus_i81342.c | ||
| uart_cpu_i81342.c | ||