On Thu, Dec 06, 2001 at 03:43:54PM +1000, Liam Davies wrote: > The kernel can be caused to crash when making the following syscall > sysmips(MIPS_ATOMIC_SET, [unaligned addr], value, 0); > > The latest mips_atomic_set does not use the fixups that are defined > for the ll/sc instructions. > > If an unaligned address is passed in we take the exception and > unaligned.c:emulate_load_store_insn ignores the fixups for the > ll/sc and sends a SIGBUS instead, thus causing the kernel to die. An unaligned ll/sc instruction in the kernel is a bug in itself as such it's not unaligned.c that is to blame. As such I'm going to checkin a patch that is close but not identical to your patch. Blame me for this bug, I *knew* and forgot about it ... Ralf
