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    Subject[PATCH -v10 0/4] Lock-less list
    Date
    v10:

    - Rebased on latest Linus' tree.
    - Revise ARCH_HAVE_NMI_SAFE_CMPXCHG definition for SPARC32 per arch
    maintainer's comments.

    v9:

    - Split out lock-less allocator, will repost allocator with its user
    in another patchset.
    - Use lock-less list in irq_work and replace net/rds/xlist.h

    v8:

    - Rebased on mmotm 2010-12-02

    v7:

    - Revise ARCH_HAVE_NMI_SAFE_CMPXCHG definition for some architectures
    according to architecture maitainers' comments.
    - Remove spin_trylock_irqsave based fallback for lockless memory allocator,
    because it does not work for !CONFIG_SMP and is not likely to be used.
    - Make lockless memory allocator and list does not depend on
    ARCH_HAVE_NMI_SAFE_CMPXCHG. Instead, require the user to depend on it
    when needed. And BUG_ON(in_nmi()) is added in necessary place to prevent
    silent race.

    v6:

    - Revise ARCH_HAVE_NMI_SAFE_CMPXCHG definition for some architectures
    according to architecture maitainers' comments.

    v5:

    - Add ARCH_HAVE_NMI_SAFE_CMPXCHG
    - Add spin_trylock_irqsave based fallback in lockless memory allocator
    if ARCH_HAVE_NMI_SAFE_CMPXCHG=n
    - Make lockless list depends on ARCH_HAVE_NMI_SAFE_CMPXCHG

    v4:

    - Split from APEI patchset
    - Update patch description and comments according to ML comments

    v3:

    - Rework lockless memory allocator and list according to ML comments


    [PATCH -v10 1/4] Add Kconfig option ARCH_HAVE_NMI_SAFE_CMPXCHG
    [PATCH -v10 2/4] lib, Add lock-less NULL terminated single list
    [PATCH -v10 3/4] irq_work, Use llist in irq_work
    [PATCH -v10 4/4] net, rds, Replace xlist in net/rds/xlist.h with llist


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