On Thu, 24 Mar 2011, Eric Dumazet wrote: > > this_cpu_cmpxchg16b_emu: > > pushf > > cli > > > > cmpq %gs:(%rsi), %rax > Random guess > > Masking interrupts, and accessing vmalloc() based memory for the first > time ? Hmmm.. Could be. KVM would not really disable interrupts so this may explain that the test case works here. Simple fix would be to do a load before the cli I guess. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>