[GIT PULL] RISC-V Patches for the 6.8 Merge Window, Part 3

Palmer Dabbelt palmer at rivosinc.com
Sat Jan 20 06:52:11 PST 2024


The following changes since commit cb51bfee7f62a8e26b694f9d84c0041b3e3ccc71:

  Merge patch series "riscv: hwprobe: add Zicond, Zacas and Ztso support" (2024-01-09 20:14:51 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-6.8-mw3

for you to fetch changes up to 4b60a23c3cb5a974939372c9460bac69f7fbf642:

  Merge branch 'tty-fix' into for-next (2024-01-19 17:26:19 -0800)

----------------------------------------------------------------
RISC-V Patches for the 6.8 Merge Window, Part 3

This includes everything from part 2:

* Support for tuning for systems with fast misaligned accesses.
* Support for SBI-based suspend.
* Support for the new SBI debug console extension.
* The T-Head CMOs now use PA-based flushes.
* Support for enabling the V extension in kernel code.
* Optimized IP checksum routines.
* Various ftrace improvements.
* Support for archrandom, which depends on the Zkr extension.

and then also a pair of fixes for those:

* The build is no longer broken under NET=n, KUNIT=y for ports that
  don't define their own ipv6 checksum.
* The build is no longer broken HVC_RISCV_SBI=y post-merge.

----------------------------------------------------------------
So that's more than a bit embarassing, but probably just a good sign not to try
and merge a bunch of stuff late after some messy holidays.  Those last two
didn't make linux-next at all, and given they're fixing bugs found by
linux-next that's a bit scary.  So no big deal on my end if this is too late.

The last one is particularly clunky, as I've just squashed the fix into a merge
from your tree.  Obviously the right way to do this is to get stuff sorted out
in next ahead of time, but I wasn't sure how to patch things back together
after the fact.  At least this way I think the history builds cleanly, or at
least it does from where I poked around.

I do see more in the diffstat (though not the shortlog).  I spot checked some
of the merged files and they look right to me.

----------------------------------------------------------------
Alexandre Ghiti (3):
      riscv: Use hugepage mappings for vmemmap
      riscv: Add support for BATCHED_UNMAP_TLB_FLUSH
      riscv: Fix build error on rv32 + XIP

Andrew Jones (2):
      riscv: sbi: Introduce system suspend support
      RISC-V: selftests: cbo: Ensure asm operands match constraints

Andy Chiu (8):
      riscv: vector: make Vector always available for softirq context
      riscv: sched: defer restoring Vector context for user
      riscv: lib: vectorize copy_to_user/copy_from_user
      riscv: fpu: drop SR_SD bit checking
      riscv: vector: do not pass task_struct into riscv_v_vstate_{save,restore}()
      riscv: vector: use a mask to write vstate_ctrl
      riscv: vector: use kmem_cache to manage vector context
      riscv: vector: allow kernel-mode Vector with preemption

Anup Patel (4):
      RISC-V: Add stubs for sbi_console_putchar/getchar()
      RISC-V: Add SBI debug console helper routines
      tty/serial: Add RISC-V SBI debug console based earlycon
      RISC-V: Enable SBI based earlycon support

Atish Patra (1):
      tty: Add SBI debug console support to HVC SBI driver

Charlie Jenkins (9):
      riscv: Fix module loading free order
      riscv: Correctly free relocation hashtable on error
      riscv: Fix relocation_hashtable size
      asm-generic: Improve csum_fold
      riscv: Add static key for misaligned accesses
      riscv: Add checksum header
      riscv: Add checksum library
      kunit: Add tests for csum_ipv6_magic and ip_fast_csum
      riscv: lib: Check if output in asm goto supported

Christoph Müllner (5):
      tools: selftests: riscv: Fix compile warnings in hwprobe
      tools: selftests: riscv: Fix compile warnings in cbo
      tools: selftests: riscv: Add missing include for vector test
      tools: selftests: riscv: Fix compile warnings in vector tests
      tools: selftests: riscv: Fix compile warnings in mm tests

Christophe JAILLET (1):
      riscv: Fix an off-by-one in get_early_cmdline()

Conor Dooley (1):
      dt-bindings: riscv: permit numbers in "riscv,isa"

Daniel Henrique Barboza (1):
      dt-bindings: riscv: Document cbop-block-size

Greentime Hu (2):
      riscv: Add support for kernel mode vector
      riscv: Add vector extension XOR implementation

Guo Ren (2):
      riscv: mm: Fixup compat mode boot failure
      riscv: mm: Fixup compat arch_get_mmap_end

Jisheng Zhang (4):
      riscv: introduce RISCV_EFFICIENT_UNALIGNED_ACCESS
      riscv: select DCACHE_WORD_ACCESS for efficient unaligned access HW
      riscv: errata: thead: use riscv_nonstd_cache_ops for CMO
      riscv: errata: thead: use pa based instructions for CMO

Masahiro Yamada (1):
      riscv: add dependency among Image(.gz), loader(.bin), and vmlinuz.efi

Maxim Kochetkov (1):
      riscv: optimize ELF relocation function in riscv

Nathan Chancellor (3):
      riscv: Hoist linker relaxation disabling logic into Kconfig
      riscv: Restrict DWARF5 when building with LLVM to known working versions
      lib/Kconfig.debug: Update AS_HAS_NON_CONST_LEB128 comment and name

Palmer Dabbelt (12):
      Merge patch series "riscv: enable EFFICIENT_UNALIGNED_ACCESS and DCACHE_WORD_ACCESS"
      Merge patch series "riscv: modules: Fix module loading error handling"
      Merge patch series "RISC-V SBI debug console extension support"
      Merge patch series "riscv: errata: thead: use riscv_nonstd_cache_ops for CMO"
      Merge patch series "tools: selftests: riscv: Fix compiler warnings"
      Merge patch series "riscv: mm: Fixup & Optimize COMPAT code"
      Merge patch series "riscv: support kernel-mode Vector"
      Merge patch series "riscv: Add fine-tuned checksum functions"
      Merge patch series "RISC-V: Disable DWARF5 with known broken LLVM versions"
      Merge patch series "riscv: ftrace: Miscellaneous ftrace improvements"
      lib: checksum: Fix build with CONFIG_NET=n
      Merge branch 'tty-fix' into for-next

Samuel Holland (1):
      dt-bindings: riscv: cpus: Clarify mmu-type interpretation

Samuel Ortiz (1):
      RISC-V: Implement archrandom when Zkr is available

Song Shuai (4):
      riscv: select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY
      riscv: ftrace: Make function graph use ftrace directly
      riscv: ftrace: Add DYNAMIC_FTRACE_WITH_DIRECT_CALLS support
      samples: ftrace: Add RISC-V support for SAMPLE_FTRACE_DIRECT[_MULTI]

Xiao Wang (1):
      riscv: Optimize hweight API with Zbb extension

 Documentation/admin-guide/devices.txt              |    3 +
 Documentation/admin-guide/sysrq.rst                |   11 +-
 Documentation/arch/x86/boot.rst                    |    2 +-
 .../bindings/net/ethernet-controller.yaml          |    4 +-
 Documentation/devicetree/bindings/riscv/cpus.yaml  |    9 +-
 .../devicetree/bindings/riscv/extensions.yaml      |    2 +-
 .../bindings/serial/fsl,s32-linflexuart.yaml       |    2 +-
 .../bindings/serial/qcom,msm-uartdm.yaml           |   13 +
 .../devicetree/bindings/serial/renesas,sci.yaml    |    2 +-
 .../bindings/serial/snps-dw-apb-uart.yaml          |    1 +
 .../devicetree/bindings/ufs/qcom,ufs.yaml          |    2 +
 Documentation/features/vm/TLB/arch-support.txt     |    2 +-
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 arch/alpha/kernel/srmcons.c                        |   28 +-
 arch/parisc/Kconfig                                |    6 +-
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 arch/parisc/kernel/sys_parisc.c                    |    2 +-
 arch/powerpc/include/asm/hvconsole.h               |    4 +-
 arch/powerpc/include/asm/hvsi.h                    |   18 +-
 arch/powerpc/include/asm/opal.h                    |    8 +-
 arch/powerpc/platforms/powernv/opal.c              |   14 +-
 arch/powerpc/platforms/pseries/hvconsole.c         |    4 +-
 arch/riscv/Kconfig                                 |   57 +-
 arch/riscv/Kconfig.errata                          |    1 +
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 arch/riscv/errata/thead/errata.c                   |   69 +-
 arch/riscv/include/asm/arch_hweight.h              |   78 +
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 arch/riscv/include/asm/checksum.h                  |   93 +
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 arch/riscv/include/asm/sbi.h                       |   19 +
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 arch/riscv/include/asm/tlbflush.h                  |    8 +
 arch/riscv/include/asm/vector.h                    |   90 +-
 arch/riscv/include/asm/word-at-a-time.h            |   27 +
 arch/riscv/include/asm/xor.h                       |   68 +
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 arch/riscv/kernel/sbi.c                            |   66 +
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 drivers/net/bonding/bond_main.c                    |    6 +
 drivers/net/ethernet/amd/pds_core/adminq.c         |    2 +-
 drivers/net/ethernet/amd/pds_core/core.h           |    2 +-
 drivers/net/ethernet/amd/pds_core/dev.c            |    8 +-
 drivers/net/ethernet/amd/pds_core/devlink.c        |    2 +-
 drivers/net/ethernet/broadcom/tg3.c                |   42 +-
 drivers/net/ethernet/broadcom/tg3.h                |    4 +-
 drivers/net/ethernet/cortina/gemini.c              |   45 +-
 drivers/net/ethernet/cortina/gemini.h              |    4 +-
 drivers/net/ethernet/google/gve/gve_main.c         |    8 +-
 drivers/net/ethernet/google/gve/gve_rx.c           |    4 -
 drivers/net/ethernet/google/gve/gve_tx.c           |    4 -
 drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c |    9 +-
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 .../ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c   |    7 +
 drivers/net/ethernet/intel/ice/ice_ddp.c           |  103 +-
 drivers/net/ethernet/intel/ice/ice_dpll.c          |   21 +-
 drivers/net/ethernet/intel/ice/ice_dpll.h          |    1 -
 drivers/net/ethernet/intel/ice/ice_ptp_hw.c        |   54 +
 drivers/net/ethernet/intel/ice/ice_ptp_hw.h        |    2 +
 drivers/net/ethernet/marvell/mvneta.c              |   28 +-
 drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c   |   20 +-
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 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c    |   60 +-
 drivers/net/ethernet/mellanox/mlx5/core/en_tx.c    |    4 +-
 drivers/net/ethernet/mellanox/mlx5/core/eq.c       |   25 +-
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 .../net/ethernet/mellanox/mlx5/core/lib/clock.c    |    7 +-
 drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c  |    6 +-
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 drivers/net/ethernet/realtek/r8169_main.c          |   42 +-
 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c  |    3 +-
 drivers/net/ethernet/ti/icssg/icssg_prueth.c       |   15 +-
 drivers/net/ipvlan/ipvlan_core.c                   |   41 +-
 drivers/net/macvlan.c                              |    2 +-
 drivers/net/ppp/ppp_synctty.c                      |    6 +-
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 drivers/parisc/power.c                             |    2 +-
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 drivers/tty/serial/samsung_tty.c                   |    6 +-
 drivers/tty/serial/sc16is7xx.c                     |  145 +-
 drivers/tty/serial/sccnxp.c                        |   13 +-
 drivers/tty/serial/serial-tegra.c                  |    5 +-
 drivers/tty/serial/serial_core.c                   |   11 +-
 drivers/tty/serial/serial_txx9.c                   |    5 +-
 drivers/tty/serial/sh-sci.c                        |   13 +-
 drivers/tty/serial/sifive.c                        |   10 +-
 drivers/tty/serial/sprd_serial.c                   |    6 +-
 drivers/tty/serial/st-asc.c                        |    6 +-
 drivers/tty/serial/stm32-usart.c                   |    6 +-
 drivers/tty/serial/sunhv.c                         |    6 +-
 drivers/tty/serial/sunplus-uart.c                  |    6 +-
 drivers/tty/serial/sunsab.c                        |   22 +-
 drivers/tty/serial/sunsu.c                         |    6 +-
 drivers/tty/serial/sunzilog.c                      |    6 +-
 drivers/tty/serial/tegra-tcu.c                     |    6 +-
 drivers/tty/serial/timbuart.c                      |    6 +-
 drivers/tty/serial/uartlite.c                      |   20 +-
 drivers/tty/serial/ucc_uart.c                      |   34 +-
 drivers/tty/serial/xilinx_uartps.c                 |    7 +-
 drivers/tty/sysrq.c                                |   19 +-
 drivers/tty/tty_io.c                               |   18 +-
 drivers/tty/tty_port.c                             |   18 +-
 drivers/tty/vt/consolemap.c                        |    2 +-
 drivers/tty/vt/keyboard.c                          |   10 +-
 drivers/ufs/core/ufs-mcq.c                         |    5 +-
 drivers/vdpa/vdpa_sim/vdpa_sim_blk.c               |    4 +-
 drivers/vhost/vdpa.c                               |    1 -
 drivers/virtio/virtio_pci_common.c                 |    6 +-
 drivers/virtio/virtio_pci_modern_dev.c             |    7 +-
 drivers/xen/events/events_2l.c                     |    8 +-
 drivers/xen/events/events_base.c                   |  576 ++--
 drivers/xen/events/events_internal.h               |    1 -
 drivers/xen/pcpu.c                                 |   22 +
 drivers/xen/xen-front-pgdir-shbuf.c                |   34 +-
 fs/bcachefs/backpointers.c                         |   10 +-
 fs/bcachefs/bcachefs.h                             |    2 +-
 fs/bcachefs/btree_iter.c                           |    2 -
 fs/bcachefs/btree_key_cache.c                      |   37 +-
 fs/bcachefs/btree_key_cache_types.h                |   34 +
 fs/bcachefs/btree_trans_commit.c                   |  169 +-
 fs/bcachefs/btree_types.h                          |   35 +-
 fs/bcachefs/btree_update_interior.c                |   30 -
 fs/bcachefs/btree_update_interior.h                |    1 -
 fs/bcachefs/data_update.c                          |   28 +
 fs/bcachefs/disk_groups.c                          |    4 +-
 fs/bcachefs/ec.c                                   |   16 +-
 fs/bcachefs/fs-io-pagecache.c                      |    2 +-
 fs/bcachefs/fs-io-pagecache.h                      |    2 +-
 fs/bcachefs/fs.c                                   |    8 +-
 fs/bcachefs/fsck.c                                 |    2 +-
 fs/bcachefs/inode.c                                |    8 +-
 fs/bcachefs/io_write.c                             |    2 +-
 fs/bcachefs/journal.c                              |   31 -
 fs/bcachefs/journal.h                              |   98 -
 fs/bcachefs/journal_io.c                           |    7 +
 fs/bcachefs/journal_reclaim.c                      |   42 +-
 fs/bcachefs/journal_types.h                        |   26 -
 fs/bcachefs/six.c                                  |    7 +-
 fs/bcachefs/subvolume_types.h                      |    2 +-
 fs/bcachefs/trace.h                                |   11 +-
 fs/bcachefs/xattr.c                                |    9 +
 fs/btrfs/ctree.c                                   |    2 +-
 fs/btrfs/delayed-ref.c                             |    4 +-
 fs/btrfs/extent-tree.c                             |   25 +-
 fs/btrfs/extent-tree.h                             |    3 +-
 fs/btrfs/inode.c                                   |    7 +
 fs/btrfs/ioctl.c                                   |   10 +-
 fs/btrfs/qgroup.c                                  |   10 +-
 fs/btrfs/raid-stripe-tree.c                        |    2 +-
 fs/btrfs/scrub.c                                   |   10 +-
 fs/btrfs/volumes.c                                 |    6 +-
 fs/btrfs/zoned.c                                   |    7 -
 fs/nfsd/cache.h                                    |    4 +-
 fs/nfsd/nfs4state.c                                |    2 +-
 fs/nfsd/nfscache.c                                 |   87 +-
 fs/nfsd/nfssvc.c                                   |   14 +-
 fs/overlayfs/params.c                              |   11 +-
 fs/overlayfs/util.c                                |    2 +-
 fs/smb/client/cifs_spnego.c                        |    4 +-
 fs/smb/client/connect.c                            |    6 +
 fs/smb/client/sess.c                               |   22 +-
 fs/smb/client/smb2transport.c                      |    5 +-
 fs/xfs/Kconfig                                     |    2 +-
 fs/xfs/libxfs/xfs_alloc.c                          |   27 +-
 fs/xfs/libxfs/xfs_defer.c                          |   28 +-
 fs/xfs/libxfs/xfs_defer.h                          |    2 +-
 fs/xfs/libxfs/xfs_inode_buf.c                      |    3 +
 fs/xfs/xfs_inode_item_recover.c                    |   46 +-
 fs/xfs/xfs_log.c                                   |   23 +-
 fs/xfs/xfs_log_recover.c                           |    2 +-
 fs/xfs/xfs_reflink.c                               |    1 +
 include/asm-generic/checksum.h                     |    6 +-
 include/linux/amba/serial.h                        |   28 +-
 include/linux/bpf.h                                |   10 +-
 include/linux/cpuhotplug.h                         |    1 +
 include/linux/export-internal.h                    |    4 +-
 include/linux/hrtimer.h                            |    4 +-
 include/linux/mdio.h                               |    2 +-
 include/linux/perf_event.h                         |   13 +-
 include/linux/serdev.h                             |    8 +-
 include/linux/stackleak.h                          |    6 +
 include/linux/tty.h                                |   19 +-
 include/linux/tty_driver.h                         |    9 +-
 include/linux/tty_port.h                           |    8 +-
 include/linux/virtio_console.h                     |   38 -
 include/linux/virtio_pci_modern.h                  |    7 -
 include/net/netfilter/nf_tables.h                  |    4 +-
 include/net/tc_act/tc_ct.h                         |    9 +
 include/uapi/linux/btrfs_tree.h                    |   24 +-
 include/uapi/linux/virtio_pci.h                    |   11 +
 include/xen/events.h                               |    8 +-
 io_uring/fdinfo.c                                  |    9 +-
 io_uring/sqpoll.c                                  |   12 +-
 kernel/audit_watch.c                               |    2 +-
 kernel/bpf/core.c                                  |    8 +-
 kernel/bpf/verifier.c                              |   87 +-
 kernel/cgroup/cgroup.c                             |   12 -
 kernel/cpu.c                                       |    8 +-
 kernel/events/core.c                               |   17 +
 kernel/futex/core.c                                |    9 +-
 kernel/sched/fair.c                                |  161 +-
 kernel/sys.c                                       |    4 +
 kernel/time/hrtimer.c                              |   33 +-
 lib/Kconfig.debug                                  |   12 +-
 lib/checksum_kunit.c                               |  286 +-
 lib/zstd/common/fse_decompress.c                   |    2 +-
 mm/damon/core.c                                    |    2 +-
 mm/damon/sysfs-schemes.c                           |    5 +
 mm/damon/sysfs.c                                   |    6 +-
 mm/filemap.c                                       |    2 +-
 mm/huge_memory.c                                   |   16 +-
 mm/ksm.c                                           |    2 +-
 mm/memcontrol.c                                    |    3 +-
 mm/userfaultfd.c                                   |    2 +-
 mm/util.c                                          |   10 +
 net/bluetooth/rfcomm/tty.c                         |    2 +-
 net/bridge/netfilter/nf_conntrack_bridge.c         |    2 +-
 net/core/dev.c                                     |    4 +-
 net/core/gso_test.c                                |   14 +-
 net/ipv4/inet_hashtables.c                         |    2 +-
 net/mptcp/pm_netlink.c                             |    5 +-
 net/mptcp/protocol.c                               |   11 +-
 net/mptcp/sockopt.c                                |    3 +
 net/ncsi/ncsi-aen.c                                |    5 -
 net/netfilter/ipset/ip_set_core.c                  |   14 +-
 net/netfilter/nf_tables_api.c                      |   60 +-
 net/netfilter/nft_byteorder.c                      |    5 +-
 net/netfilter/nft_meta.c                           |    2 +-
 net/netfilter/nft_set_rbtree.c                     |    2 -
 net/sched/act_ct.c                                 |    3 +
 net/tipc/netlink_compat.c                          |    1 +
 net/unix/af_unix.c                                 |    9 +-
 samples/ftrace/ftrace-direct-modify.c              |   35 +
 samples/ftrace/ftrace-direct-multi-modify.c        |   41 +
 samples/ftrace/ftrace-direct-multi.c               |   25 +
 samples/ftrace/ftrace-direct-too.c                 |   28 +
 samples/ftrace/ftrace-direct.c                     |   24 +
 scripts/Makefile.lib                               |    4 +-
 scripts/gcc-plugins/latent_entropy_plugin.c        |    4 +-
 scripts/gcc-plugins/randomize_layout_plugin.c      |   10 -
 scripts/kconfig/symbol.c                           |   14 +-
 scripts/mod/modpost.c                              |    6 +-
 sound/pci/hda/cs35l56_hda_i2c.c                    |    4 +
 sound/pci/hda/hda_intel.c                          |    3 +
 sound/pci/hda/patch_realtek.c                      |   29 +-
 tools/power/x86/turbostat/turbostat.c              | 3074 ++++++++++----------
 tools/testing/selftests/bpf/progs/verifier_cfg.c   |   62 +
 .../testing/selftests/bpf/progs/verifier_loops1.c  |    9 +-
 .../selftests/bpf/progs/verifier_precision.c       |   40 +
 tools/testing/selftests/bpf/verifier/calls.c       |    6 +-
 tools/testing/selftests/bpf/verifier/ld_imm64.c    |    8 +-
 tools/testing/selftests/bpf/xskxceiver.c           |   19 +-
 tools/testing/selftests/mm/.gitignore              |    1 +
 tools/testing/selftests/mm/pagemap_ioctl.c         |   23 +-
 tools/testing/selftests/mm/run_vmtests.sh          |    3 +
 tools/testing/selftests/net/mptcp/mptcp_join.sh    |    2 +-
 tools/testing/selftests/riscv/hwprobe/cbo.c        |   24 +-
 tools/testing/selftests/riscv/hwprobe/hwprobe.c    |    4 +-
 tools/testing/selftests/riscv/mm/mmap_test.h       |    3 +
 .../selftests/riscv/vector/v_initval_nolibc.c      |    2 +-
 .../selftests/riscv/vector/vstate_exec_nolibc.c    |    3 +
 .../testing/selftests/riscv/vector/vstate_prctl.c  |    4 +-
 443 files changed, 7415 insertions(+), 4420 deletions(-)
 create mode 100644 arch/riscv/include/asm/arch_hweight.h
 create mode 100644 arch/riscv/include/asm/archrandom.h
 create mode 100644 arch/riscv/include/asm/checksum.h
 create mode 100644 arch/riscv/include/asm/simd.h
 create mode 100644 arch/riscv/include/asm/tlbbatch.h
 create mode 100644 arch/riscv/include/asm/xor.h
 create mode 100644 arch/riscv/kernel/kernel_mode_vector.c
 create mode 100644 arch/riscv/lib/csum.c
 create mode 100644 arch/riscv/lib/riscv_v_helpers.c
 create mode 100644 arch/riscv/lib/uaccess_vector.S
 create mode 100644 arch/riscv/lib/xor.S
 create mode 100644 fs/bcachefs/btree_key_cache_types.h
 delete mode 100644 include/linux/virtio_console.h



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