Pull arm64 fixes from Catalin Marinas::

 - Fix wrong conflict resolution around CONFIG_ARM64_SSBD

 - Fix sparse warning on unsigned long constant

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: cpufeature: Fix mismerge of CONFIG_ARM64_SSBD block
  arm64: sysreg: fix sparse warnings

When merging support for SSBD and the CRC32 instructions, the conflict
resolution for the new capability entries in arm64_features[]
inadvertedly predicated the availability of the CRC32 instructions on
CONFIG_ARM64_SSBD, despite the functionality being entirely unrelated.

Move the #ifdef CONFIG_ARM64_SSBD down so that it only covers the SSBD
capability.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Specify correct type for the constants to avoid
the following sparse complaints:

./arch/arm64/include/asm/sysreg.h:471:42: warning: constant 0xffffffffffffffff is so big it is unsigned long
./arch/arm64/include/asm/sysreg.h:512:42: warning: constant 0xffffffffffffffff is so big it is unsigned long

Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Pull RISC-V fixes from Palmer Dabbelt:
 "This week is a bit bigger than I expected. That's my fault, as I
  missed a few patches while I was at Plumbers last week. We have:

   - A fix to a quite embarassing issue where raw_copy_to_user() was
     implemented with asm_copy_from_user() (and vice versa).

   - Improvements to our makefile to allow flat binaries to be
     generated.

   - A build fix that predeclares "struct module" at the top of
     <asm/module.h>, which triggers warnings later in that header.

   - The addition of our own <uapi/asm/unistd> header, which is
     necessary to align our stat ABI on 32-bit systems.

   - A fix to avoid printing a warning when the S or U bits are set in
     print_isa().

  I already have one patch in the queue for next week"

* tag 'riscv-for-linus-4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
  RISC-V: recognize S/U mode bits in print_isa
  riscv: add asm/unistd.h UAPI header
  riscv: fix warning in arch/riscv/include/asm/module.h
  RISC-V: Build flat and compressed kernel images
  RISC-V: Fix raw_copy_{to,from}_user()

Pull MIPS fixes from Paul Burton:
 "A few MIPS fixes for 4.20:

   - Re-enable the Cavium Octeon USB driver in its defconfig after it
     was accidentally removed back in 4.14.

   - Have early memblock allocations be performed bottom-up to more
     closely match the behaviour we used to have with bootmem, which
     seems a safer choice since we've seen fallout from the change made
     in the 4.20 merge window.

   - Simplify max_low_pfn calculation in the NUMA code for the Loongson3
     and SGI IP27 platforms to both clean up the code & ensure
     max_low_pfn has been set appropriately before it is used"

* tag 'mips_fixes_4.20_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Loongson3,SGI-IP27: Simplify max_low_pfn calculation
  MIPS: Let early memblock_alloc*() allocate memories bottom-up
  MIPS: OCTEON: cavium_octeon_defconfig: re-enable OCTEON USB driver

Removes the warning about an unsupported ISA when reading /proc/cpuinfo
on QEMU. The "S" extension is not being returned as it is not accessible
from userspace.

Signed-off-by: Patrick Stählin <me@packi.ch>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

Marcin Juszkiewicz reported issues while generating syscall table for riscv
using 4.20-rc1. The patch refactors our unistd.h files to match some other
architectures.

- Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT only for 64-bit
- Remove asm/syscalls.h UAPI header and merge to asm/unistd.h
- Adjust kernel asm/unistd.h

So now asm/unistd.h UAPI header should show all syscalls for riscv.

Before this, Makefile simply put `#include <asm-generic/unistd.h>` into
generated asm/unistd.h UAPI header thus user didn't see:

- __NR_riscv_flush_icache
- __NR_newfstatat
- __NR_fstat

which are supported by riscv kernel.

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Fixes: 67314ec7b025 ("RISC-V: Request newstat syscalls")
Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

Fixes warning: 'struct module' declared inside parameter list will not be
visible outside of this definition or declaration

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

This patch extends Linux RISC-V build system to build and install:
Image - Flat uncompressed kernel image
Image.gz - Flat and GZip compressed kernel image

Quiet a few bootloaders (such as Uboot, UEFI, etc) are capable of
booting flat and compressed kernel images. In case of Uboot, booting
Image or Image.gz is achieved using bootm command.

The flat and uncompressed kernel image (i.e. Image) is very useful
in pre-silicon developent and testing because we can create back-door
HEX files for RAM on FPGAs from Image.

Signed-off-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

Sparse highlighted it, and appears to be a pure bug (from vs to).

./arch/riscv/include/asm/uaccess.h:403:35: warning: incorrect type in argument 1 (different address spaces)
./arch/riscv/include/asm/uaccess.h:403:39: warning: incorrect type in argument 2 (different address spaces)
./arch/riscv/include/asm/uaccess.h:409:37: warning: incorrect type in argument 1 (different address spaces)
./arch/riscv/include/asm/uaccess.h:409:41: warning: incorrect type in argument 2 (different address spaces)

Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>