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    Subject[GIT PULL] ARC updates for 5.3-rc1
    Date
    Hi Linus,

    Bunch of changes for ARC, some long due, for the new release. Please pull.

    Thx,
    -Vineet
    ------------------------>
    The following changes since commit 6fbc7275c7a9ba97877050335f290341a1fd8dbf:

    Linux 5.2-rc7 (2019-06-30 11:25:36 +0800)

    are available in the git repository at:

    git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git/ tags/arc-5.3-rc1

    for you to fetch changes up to 24a20b0a443fd485852d51d08e98bbd9d212e0ec:

    ARC: [plat-hsdk]: Enable AXI DW DMAC in defconfig (2019-07-08 09:24:47 +0100)

    ----------------------------------------------------------------
    ARC updates for 5.3-rc1

    - long due rewrite of do_page_fault

    - refactoring of entry/exit code to utilize the double load/store instructions

    - hsdk platform updates

    ----------------------------------------------------------------
    Alexey Brodkin (1):
    ARC: [haps] Add Virtio support

    Arnd Bergmann (1):
    ARC: hide unused function unw_hdr_alloc

    Eugeniy Paltsev (2):
    ARC: [plat-hsdk]: enable DW SPI controller
    ARC: [plat-hsdk]: Enable AXI DW DMAC in defconfig

    Vineet Gupta (14):
    ARC: mm: do_page_fault refactor #1: remove label @good_area
    ARC: mm: do_page_fault refactor #2: remove short lived variable
    ARC: mm: do_page_fault refactor #3: tidyup vma access permission code
    ARC: mm: do_page_fault refactor #4: consolidate retry related logic
    ARC: mm: do_page_fault refactor #5: scoot no_context to end
    ARC: mm: do_page_fault refactor #6: error handlers to use same pattern
    ARC: mm: do_page_fault refactor #7: fold the various error handling
    ARC: mm: do_page_fault refactor #8: release mmap_sem sooner
    ARCv2: entry: comments about hardware auto-save on taken interrupts
    ARCv2: entry: push out the Z flag unclobber from common EXCEPTION_PROLOGUE
    ARCv2: entry: avoid a branch
    ARCv2: entry: rewrite to enable use of double load/stores LDD/STD
    ARC: entry: EV_Trap expects r10 (vs. r9) to have exception cause
    ARCv2: entry: simplify return to Delay Slot via interrupt

    arch/arc/boot/dts/haps_hs.dts | 30 +++
    arch/arc/boot/dts/hsdk.dts | 14 ++
    arch/arc/configs/haps_hs_defconfig | 5 +-
    arch/arc/configs/hsdk_defconfig | 5 +
    arch/arc/include/asm/entry-arcv2.h | 361 ++++++++++++++++++-----------------
    arch/arc/include/asm/entry-compact.h | 4 +-
    arch/arc/include/asm/linkage.h | 18 ++
    arch/arc/kernel/asm-offsets.c | 7 +
    arch/arc/kernel/entry-arcv2.S | 62 ++----
    arch/arc/kernel/entry-compact.S | 2 +-
    arch/arc/kernel/entry.S | 4 +-
    arch/arc/kernel/unwind.c | 9 +-
    arch/arc/mm/fault.c | 185 ++++++++----------
    arch/arc/mm/tlbex.S | 11 ++
    14 files changed, 377 insertions(+), 340 deletions(-)
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