This provides no direct benefit by itself, but it finally lets us apply some of the speedups that Paolo and possible Rik independently wrote: we won't need an irqsave/irqrestore pair in the context tracking code.
It should also let us remove the last callers of exception_enter in x86 kernels, but that removal should probably wait until I carefully re-read the page fault code. Changes from v1: - Fix a comment - Make the ifdeffery less messy Andy Lutomirski (2): x86/entry/32: Change INT80 to be an interrupt gate x86/entry: Do enter_from_user_mode with IRQs off arch/x86/entry/common.c | 48 +++++++++++--------------------------- arch/x86/entry/entry_32.S | 8 +++---- arch/x86/entry/entry_64_compat.S | 2 +- arch/x86/include/asm/thread_info.h | 5 +++- arch/x86/kernel/traps.c | 2 +- 5 files changed, 24 insertions(+), 41 deletions(-) -- 2.5.0
