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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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