Merge tag 'v4.20-rc3' into for-4.21/block

Merge in -rc3 to resolve a few conflicts, but also to get a few
important fixes that have gone into mainline since the block
4.21 branch was forked off (mos

Merge tag 'v4.20-rc3' into for-4.21/block

Merge in -rc3 to resolve a few conflicts, but also to get a few
important fixes that have gone into mainline since the block
4.21 branch was forked off (most notably the SCSI queue issue,
which is both a conflict AND needed fix).

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Merge branch 'parisc-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc fix from Helge Deller:
"Revert one patch which changed how spinlocks get released. It b

Merge branch 'parisc-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc fix from Helge Deller:
"Revert one patch which changed how spinlocks get released. It breaks
the rwlock implementation in glibc"

* 'parisc-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Revert "Release spinlocks using ordered store"

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Merge remote-tracking branch 'drm/drm-next' into drm-misc-next

drm-next is forwarded to v4.20-rc1, and we need this to make
a patch series apply.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst

Merge remote-tracking branch 'drm/drm-next' into drm-misc-next

drm-next is forwarded to v4.20-rc1, and we need this to make
a patch series apply.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

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Merge tag 'v4.20-rc2' into next-general

Sync to Linux 4.20-rc2 for downstream developers.

Merge tag 'v4.20-rc1' into omap-for-v4.21/dt-ti-sysc

Linux 4.20-rc1

Merge branch 'fixes-dts' into omap-for-v4.20/fixes

Merge branch 'master' into for-4.20/upstream-fixes

Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applie

Merge branch 'master' into for-4.20/upstream-fixes

Pull in a merge commit that brought in 3b692c55e58d ("HID: asus: only
support backlight when it's not driven by WMI") so that fixup could be
applied on top of it.

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parisc: Revert "Release spinlocks using ordered store"

This reverts commit d27dfa13b9f77ae7e6ed09d70a0426ed26c1a8f9.

Unfortunately, this patch needs to be reverted. We need the full sync
barrier a

parisc: Revert "Release spinlocks using ordered store"

This reverts commit d27dfa13b9f77ae7e6ed09d70a0426ed26c1a8f9.

Unfortunately, this patch needs to be reverted. We need the full sync
barrier and not the limited barrier provided by using an ordered store.
The sync ensures that all accesses and cache purge instructions that
follow the sync are performed after all such instructions prior the sync
instruction have completed executing.

The patch breaks the rwlock implementation in glibc. This caused the
test-lock application in the libprelude testsuite to hang. With the
change reverted, the test runs correctly and the libprelude package
builds successfully.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>

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Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branch 'linus' into perf/urgent, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branch 'linus' into x86/urgent, to refresh the tree

Signed-off-by: Ingo Molnar <mingo@kernel.org>

Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax

Pull XArray conversion from Matthew Wilcox:
"The XArray provides an improved interface to the radix tree data
structure, pro

Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax

Pull XArray conversion from Matthew Wilcox:
"The XArray provides an improved interface to the radix tree data
structure, providing locking as part of the API, specifying GFP flags
at allocation time, eliminating preloading, less re-walking the tree,
more efficient iterations and not exposing RCU-protected pointers to
its users.

This patch set

1. Introduces the XArray implementation

2. Converts the pagecache to use it

3. Converts memremap to use it

The page cache is the most complex and important user of the radix
tree, so converting it was most important. Converting the memremap
code removes the only other user of the multiorder code, which allows
us to remove the radix tree code that supported it.

I have 40+ followup patches to convert many other users of the radix
tree over to the XArray, but I'd like to get this part in first. The
other conversions haven't been in linux-next and aren't suitable for
applying yet, but you can see them in the xarray-conv branch if you're
interested"

* 'xarray' of git://git.infradead.org/users/willy/linux-dax: (90 commits)
radix tree: Remove multiorder support
radix tree test: Convert multiorder tests to XArray
radix tree tests: Convert item_delete_rcu to XArray
radix tree tests: Convert item_kill_tree to XArray
radix tree tests: Move item_insert_order
radix tree test suite: Remove multiorder benchmarking
radix tree test suite: Remove __item_insert
memremap: Convert to XArray
xarray: Add range store functionality
xarray: Move multiorder_check to in-kernel tests
xarray: Move multiorder_shrink to kernel tests
xarray: Move multiorder account test in-kernel
radix tree test suite: Convert iteration test to XArray
radix tree test suite: Convert tag_tagged_items to XArray
radix tree: Remove radix_tree_clear_tags
radix tree: Remove radix_tree_maybe_preload_order
radix tree: Remove split/join code
radix tree: Remove radix_tree_update_node_t
page cache: Finish XArray conversion
dax: Convert page fault handlers to XArray
...

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Merge branch 'parisc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
"Lots of small fixes and enhancements, most noteably:

-

Merge branch 'parisc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull parisc updates from Helge Deller:
"Lots of small fixes and enhancements, most noteably:

- Many TLB and cache flush optimizations (Dave)

- Fixed HPMC/crash handler on 64-bit kernel (Dave and myself)

- Added alternative infrastructre. The kernel now live-patches itself
for various situations, e.g. replace SMP code when running on one
CPU only or drop cache flushes when system has no cache installed.

- vmlinuz now contains a full copy of the compressed vmlinux file.
This simplifies debugging the currently booted kernel.

- Unused driver removal (Christoph)

- Reduced warnings of Dino PCI bridge when running in qemu

- Removed gcc version check (Masahiro)"

* 'parisc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: (23 commits)
parisc: Retrieve and display the PDC PAT capabilities
parisc: Optimze cache flush algorithms
parisc: Remove pte_inserted define
parisc: Add PDC PAT cell_info() and pd_get_pdc_revisions() functions
parisc: Drop two instructions from pte lookup code
parisc: Use zdep for shlw macro on PA1.1 and PA2.0
parisc: Add alternative coding infrastructure
parisc: Include compressed vmlinux file in vmlinuz boot kernel
extract-vmlinux: Check for uncompressed image as fallback
parisc: Fix address in HPMC IVA
parisc: Fix exported address of os_hpmc handler
parisc: Fix map_pages() to not overwrite existing pte entries
parisc: Purge TLB entries after updating page table entry and set page accessed flag in TLB handler
parisc: Release spinlocks using ordered store
parisc: Ratelimit dino stuck interrupt warnings
parisc: dino: Utilize DINO_MASK_IRQ() macro
parisc: Clean up crash header output
parisc: Add SYSTEM_INFO and REGISTER TOC PAT functions
parisc: Remove PTE load and fault check from L2_ptep macro
parisc: Reorder TLB flush timing calculation
...

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Merge branch 'for-4.20/apple' into for-linus

Support for Apple Magic Trackpad 2

parisc: Release spinlocks using ordered store

This patch updates the spin unlock code to use an ordered store with
release semanatics. All prior accesses are guaranteed to be performed
before an or

parisc: Release spinlocks using ordered store

This patch updates the spin unlock code to use an ordered store with
release semanatics. All prior accesses are guaranteed to be performed
before an ordered store is performed.

Using an ordered store is significantly faster than using the sync
memory barrier.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>

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Update email address

Redirect some older email addresses that are in the git logs.

Signed-off-by: Matthew Wilcox <willy@infradead.org>

Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Sync with upstream (which now contains fbdev-v4.19 changes) to
prepare a base for fbdev-v4

Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next

Sync with upstream (which now contains fbdev-v4.19 changes) to
prepare a base for fbdev-v4.20 changes.

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Merge drm/drm-next into drm-intel-next-queued

Catch up in general, and get DP_EXTENDED_RECEIVER_CAP_FIELD_PRESENT
specifically.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge tag 'y2038' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/core

Pull more y2038 work from Arnd Bergman:

y2038: convert more syscalls

Here is another set of syst

Merge tag 'y2038' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/core

Pull more y2038 work from Arnd Bergman:

y2038: convert more syscalls

Here is another set of system call changes to prepare the change over to
64-bit time_t. As before, the strategy is to change system calls that
take a 'struct timespec' argument over to 'struct __kernel_timespec',
which for now is defined to be the same but will get redefined to use a
64-bit time_t argument once we are ready to modify the system call tables.

The major change from previous patches is that the plan is no longer
to directly use the 'compat' system calls for providing compatibility
with the existing 32-bit time_t based entry points. Instead, we rename
the compat code to something that makes more sense on 32-bit architectures,
e.g. compat_timespec becomes old_timespec32.

With the renamed types in place, change over the 'stat' and 'utimes'
families of system calls, sched_rr_get_interval, recvmmsg and
rt_sigtimedwait. Another series for poll, select and io_pgetevents is
currently being tested.

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Merge tag 'v4.19-rc2' into next-general

Sync to Linux 4.19-rc2 for downstream developers.

Merge tag 'v4.19-rc1' into asoc-4.19

Linux 4.19-rc1

Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2

Merge drm/drm-next into drm-misc-next

Now that 4.19-rc1 is cut, backmerge it into -misc-next.

Signed-off-by: Sean Paul <seanpaul@chromium.org>

Merge branch 'parisc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull more parisc updates from Helge Deller:

- fix boot failure of 64-bit kernel. It got broken by

Merge branch 'parisc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux

Pull more parisc updates from Helge Deller:

- fix boot failure of 64-bit kernel. It got broken by the unwind
optimization commit in merge window.

- fix 64-bit userspace support (static 64-bit applications only, e.g.
we don't yet have 64-bit userspace support in glibc).

- consolidate unwind initialization code.

- add machine model description to stack trace.

* 'parisc-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Add hardware description to stack traces
parisc: Fix boot failure of 64-bit kernel
parisc: Consolidate unwind initialization calls
parisc: Update comments in syscall.S regarding wide userland
parisc: Fix ptraced 64-bit applications to call 64-bit syscalls
parisc: Restore possibility to execute 64-bit applications

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parisc: Update comments in syscall.S regarding wide userland

We do support running 64-bit userspace processes, although there isn't
yet full gcc and glibc support. Anyway, fix the comments to reflec

parisc: Update comments in syscall.S regarding wide userland

We do support running 64-bit userspace processes, although there isn't
yet full gcc and glibc support. Anyway, fix the comments to reflect the
reality.

Signed-off-by: Helge Deller <deller@gmx.de>

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