Re: [tip:numa/core] x86, mm: Prevent gcc to re-read the pagetables

On Sun, 2012-10-21 at 05:56 -0700, tip-bot for Andrea Arcangeli wrote: > In get_user_pages_fast() the TLB shootdown code can clear the pagetables > before firing any TLB flush (the page can't be freed until the TLB > flushing IPI has been delivered but the pagetables will be cleared well > before

Re: [tip:numa/core] x86, mm: Prevent gcc to re-read the pagetables

On Sun, 2012-10-21 at 05:56 -0700, tip-bot for Andrea Arcangeli wrote: In get_user_pages_fast() the TLB shootdown code can clear the pagetables before firing any TLB flush (the page can't be freed until the TLB flushing IPI has been delivered but the pagetables will be cleared well before