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Linus Torvalds e07af26266 ARC changes for v5.15-rc1 
- MM rework
    + Implementing up to 4 paging levels.
    + Enable STRICT_MM_TYPECHECK
    + switch pgtable_t back to struct page *
 
  - Atomics rework / implementing relaxed accessors
 
  - Retiring of legacy MMUv1,v2; ARC750 cores
 
  - A few other build errors, typos
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Merge tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC updates from Vineet Gupta:
 "Finally a big pile of changes for ARC (atomics/mm). These are from our
  internal arc64 tree, preparing mainline for eventual arc64 support.
  I'm spreading them out to avoid tsunami of patches in one release.

   - MM rework:
       - Implement up to 4 paging levels
       - Enable STRICT_MM_TYPECHECK
       - switch pgtable_t back to 'struct page *'

   - Atomics rework / implement relaxed accessors

   - Retire legacy MMUv1,v2; ARC750 cores

   - A few other build errors, typos"

* tag 'arc-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (33 commits)
  ARC: mm: vmalloc sync from kernel to user table to update PMD ...
  ARC: mm: support 4 levels of page tables
  ARC: mm: support 3 levels of page tables
  ARC: mm: switch to asm-generic/pgalloc.h
  ARC: mm: switch pgtable_t back to struct page *
  ARC: mm: hack to allow 2 level build with 4 level code
  ARC: mm: disintegrate pgtable.h into levels and flags
  ARC: mm: disintegrate mmu.h (arcv2 bits out)
  ARC: mm: move MMU specific bits out of entry code ...
  ARC: mm: move MMU specific bits out of ASID allocator
  ARC: mm: non-functional code movement/cleanup
  ARC: mm: pmd_populate* to use the canonical set_pmd (and drop pmd_set)
  ARC: ioremap: use more commonly used PAGE_KERNEL based uncached flag
  ARC: mm: Enable STRICT_MM_TYPECHECKS
  ARC: mm: Fixes to allow STRICT_MM_TYPECHECKS
  ARC: mm: move mmu/cache externs out to setup.h
  ARC: mm: remove tlb paranoid code
  ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only
  ARC: retire MMUv1 and MMUv2 support
  ARC: retire ARC750 support
  ...
2021-09-05 11:43:03 -07:00
..
arcregs.h ARC: allow userspace DSP applications to use AGU extensions 2020-03-16 10:30:49 -07:00
asm-offsets.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
asserts.h ARC: allow userspace DSP applications to use AGU extensions 2020-03-16 10:30:49 -07:00
atomic-llsc.h ARC: atomics: implement relaxed variants 2021-08-24 14:25:47 -07:00
atomic-spinlock.h ARC: atomic: !LLSC: use int data type consistently 2021-08-24 14:25:46 -07:00
atomic.h ARC: atomic_cmpxchg/atomic_xchg: implement relaxed variants 2021-08-24 14:25:47 -07:00
atomic64-arcv2.h ARC: atomics: implement relaxed variants 2021-08-24 14:25:47 -07:00
barrier.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
bitops.h ARC: bitops: fls/ffs to take int (vs long) per asm-generic defines 2021-08-24 14:25:47 -07:00
bug.h arc: add show_stack_loglvl() 2020-06-09 09:39:10 -07:00
cache.h ARC: mm: move mmu/cache externs out to setup.h 2021-08-24 14:25:48 -07:00
cacheflush.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
checksum.h arc: Prefer unsigned int to bare use of unsigned 2021-08-03 18:58:33 -07:00
cmpxchg.h ARC: atomic_cmpxchg/atomic_xchg: implement relaxed variants 2021-08-24 14:25:47 -07:00
current.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
delay.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
disasm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dma.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
dsp-impl.h ARC: guard dsp early init against non ARCv2 2020-04-29 11:53:51 -07:00
dsp.h ARC: allow userspace DSP applications to use AGU extensions 2020-03-16 10:30:49 -07:00
dwarf.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
elf.h ARC: elf: use right ELF_ARCH 2020-06-16 12:56:37 -07:00
entry-arcv2.h ARC: entry: comment 2020-04-12 22:45:35 -07:00
entry-compact.h ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only 2021-08-24 14:25:48 -07:00
entry.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
exec.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fb.h
fpu.h ARC: fpu: fix randconfig build error reported by 0-day test service 2020-02-09 22:17:22 -08:00
futex.h futex: arch_futex_atomic_op_inuser() calling conventions change 2020-03-27 23:58:51 -04:00
highmem.h arc/mm/highmem: Use generic kmap atomic implementation 2020-11-06 23:14:55 +01:00
hugepage.h ARC: mm: switch pgtable_t back to struct page * 2021-08-26 13:42:42 -07:00
io.h arch: rely on asm-generic/io.h for default ioremap_* definitions 2019-11-11 21:18:19 +01:00
irq.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
irqflags-arcv2.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
irqflags-compact.h ARC: [arcompact] fix bitrot with 2 levels of interrupt 2020-06-16 12:56:37 -07:00
irqflags.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
jump_label.h ARC: ARCv2: jump label: implement jump label patching 2019-11-08 16:14:32 -08:00
Kbuild local64.h: make <asm/local64.h> mandatory 2020-12-29 15:36:49 -08:00
kdebug.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
kgdb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
kprobes.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
linkage.h treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
mach_desc.h treewide: Convert macro and uses of __section(foo) to __section("foo") 2020-10-25 14:51:49 -07:00
mmu-arcv2.h ARC: mm: disintegrate mmu.h (arcv2 bits out) 2021-08-25 15:53:19 -07:00
mmu.h ARC: mm: disintegrate mmu.h (arcv2 bits out) 2021-08-25 15:53:19 -07:00
mmu_context.h ARC: mm: move MMU specific bits out of ASID allocator 2021-08-24 14:25:48 -07:00
module.h arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h> 2020-04-23 10:50:26 +09:00
page.h ARC: mm: support 4 levels of page tables 2021-08-26 13:43:19 -07:00
pci.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
perf_event.h arc: Prefer unsigned int to bare use of unsigned 2021-08-03 18:58:33 -07:00
pgalloc.h ARC: mm: support 4 levels of page tables 2021-08-26 13:43:19 -07:00
pgtable-bits-arcv2.h ARC: mm: disintegrate pgtable.h into levels and flags 2021-08-25 15:53:19 -07:00
pgtable-levels.h ARC: mm: support 4 levels of page tables 2021-08-26 13:43:19 -07:00
pgtable.h ARC: mm: disintegrate pgtable.h into levels and flags 2021-08-25 15:53:19 -07:00
processor.h ARC: mm: support 3 levels of page tables 2021-08-26 13:43:19 -07:00
ptrace.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
sections.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
segment.h uaccess: remove segment_eq 2020-08-12 10:57:58 -07:00
serial.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
setup.h ARC: mm: move mmu/cache externs out to setup.h 2021-08-24 14:25:48 -07:00
shmparam.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
smp.h ARC: switch to generic bitops 2021-08-24 14:25:47 -07:00
spinlock.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
spinlock_types.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
stacktrace.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
string.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
switch_to.h ARC: [plat-eznps]: Drop support for EZChip NPS platform 2020-10-05 21:02:29 -07:00
syscall.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
syscalls.h ARC: wireup clone3 syscall 2020-01-15 16:08:12 -08:00
thread_info.h arc: add support for TIF_NOTIFY_SIGNAL 2020-11-09 08:16:55 -07:00
timex.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tlb.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
tlbflush.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
uaccess.h asm-generic: remove extra strn{cpy_from,len}_user declarations 2021-07-27 23:01:13 +02:00
unaligned.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
unwind.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
vermagic.h arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h> 2020-04-23 10:50:26 +09:00
vmalloc.h mm/vmalloc: Add empty <asm/vmalloc.h> headers and use them from <linux/vmalloc.h> 2019-12-10 10:12:55 +01:00