Eric Lee / smarc-fsl-linux-kernel

25 May, 2011

1 commit

  • ff075d605   um: mmu_gather rework ... Browse Code »

    Fix up the um mmu_gather code to conform to the new API.

    Signed-off-by: Peter Zijlstra
    Cc: Jeff Dike
    Cc: Richard Weinberger
    Cc: Benjamin Herrenschmidt
    Cc: David Miller
    Cc: Martin Schwidefsky
    Cc: Russell King
    Cc: Paul Mundt
    Cc: Tony Luck
    Cc: KAMEZAWA Hiroyuki
    Cc: Hugh Dickins
    Cc: Mel Gorman
    Cc: KOSAKI Motohiro
    Cc: Nick Piggin
    Cc: Namhyung Kim
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Peter Zijlstra
     

28 Jul, 2009

1 commit

  • 9e1b32caa   mm: Pass virtual address to [__]p{te,ud,md}_free_tlb() ... Browse Code »

    mm: Pass virtual address to [__]p{te,ud,md}_free_tlb()

    Upcoming paches to support the new 64-bit "BookE" powerpc architecture
    will need to have the virtual address corresponding to PTE page when
    freeing it, due to the way the HW table walker works.

    Basically, the TLB can be loaded with "large" pages that cover the whole
    virtual space (well, sort-of, half of it actually) represented by a PTE
    page, and which contain an "indirect" bit indicating that this TLB entry
    RPN points to an array of PTEs from which the TLB can then create direct
    entries. Thus, in order to invalidate those when PTE pages are deleted,
    we need the virtual address to pass to tlbilx or tlbivax instructions.

    The old trick of sticking it somewhere in the PTE page struct page sucks
    too much, the address is almost readily available in all call sites and
    almost everybody implemets these as macros, so we may as well add the
    argument everywhere. I added it to the pmd and pud variants for consistency.

    Signed-off-by: Benjamin Herrenschmidt
    Acked-by: David Howells [MN10300 & FRV]
    Acked-by: Nick Piggin
    Acked-by: Martin Schwidefsky [s390]
    Signed-off-by: Linus Torvalds

    Benjamin Herrenschmidt
     

23 Oct, 2008

1 commit