x86/mm/tlb: Restructure switch_mm_irqs_off()

Move some code that will be needed for the lazy -> !lazy state
transition when a lazy TLB CPU has gotten out of date.

No functional changes, since the if (real_prev == next) branch
always returns.

(cherry picked from commit 61d0beb5796ab11f7f3bf38cb2eccc6579aaa70b)
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: Linus Torvalds <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Suggested-by: Andy Lutomirski <[email protected]>
Signed-off-by: Rik van Riel <[email protected]>
Acked-by: Dave Hansen <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions