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Linus Torvalds 5e60366d56 fallthrough fixes for Clang for 5.11-rc1 
Hi Linus,
 
 Please, pull the following patches that fix many fall-through warnings
 when building with Clang 12.0.0 and this[1] change reverted. Notice
 that in order to enable -Wimplicit-fallthrough for Clang, such change[1]
 is meant to be reverted at some point. So, these patches help to move
 in that direction.
 
 - powerpc: boot: include compiler_attributes.h (Nick Desaulniers)
 - Revert "lib: Revert use of fallthrough pseudo-keyword in lib/" (Nick Desaulniers)
 - powerpc: fix -Wimplicit-fallthrough (Nick Desaulniers)
 - lib: Fix fall-through warnings for Clang (Gustavo A. R. Silva)
 
 Thanks!
 
 [1] commit e2079e93f562c ("kbuild: Do not enable -Wimplicit-fallthrough for clang for now")
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Merge tag 'fallthrough-fixes-clang-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull fallthrough fixes from Gustavo A. R. Silva:
 "Fix many fall-through warnings when building with Clang 12.0.0
  using -Wimplicit-fallthrough.

   - powerpc: boot: include compiler_attributes.h (Nick Desaulniers)

   - Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
     (Nick Desaulniers)

   - powerpc: fix -Wimplicit-fallthrough (Nick Desaulniers)

   - lib: Fix fall-through warnings for Clang (Gustavo A. R. Silva)"

* tag 'fallthrough-fixes-clang-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  lib: Fix fall-through warnings for Clang
  powerpc: fix -Wimplicit-fallthrough
  Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
  powerpc: boot: include compiler_attributes.h
2020-12-16 00:24:16 -08:00
..
ptrace
powerpc/watchpoint/ptrace: Introduce PPC_DEBUG_FEATURE_DATA_BP_ARCH_31
2020-09-15 22:13:20 +10:00
syscalls
mm/madvise: introduce process_madvise() syscall: an external memory hinting API
2020-10-18 09:27:10 -07:00
trace
powerpc: Add a ppc_inst_as_str() helper
2020-07-23 17:41:36 +10:00
vdso32
Kbuild updates for v5.10
2020-10-22 13:13:57 -07:00
vdso64
Kbuild updates for v5.10
2020-10-22 13:13:57 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
align.c
powerpc: Use fallthrough pseudo-keyword
2020-07-29 21:09:37 +10:00
asm-offsets.c
powerpc/tm: Save and restore AMR on treclaim and trechkpt
2020-10-06 23:22:25 +11:00
audit.c
…
btext.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
cacheinfo.c
powerpc/cacheinfo: Warn if cache object chain becomes unordered
2020-07-30 22:53:48 +10:00
cacheinfo.h
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
2019-06-15 16:52:06 +10:00
compat_audit.c
…
cpu_setup_6xx.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
cpu_setup_44x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cpu_setup_fsl_booke.S
powerpc/booke: Spelling s/date/data/
2019-11-17 01:56:31 -06:00
cpu_setup_pa6t.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
cpu_setup_power.S
powerpc/perf: Initialize power10 PMU registers in cpu setup routine
2020-07-26 23:34:23 +10:00
cpu_setup_ppc970.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
cputable.c
powerpc/64s: Remove TM from Power10 features
2020-10-20 23:33:51 +11:00
crash_dump.c
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
dawr.c
powerpc/watchpoint: Guest support for 2nd DAWR hcall
2020-07-26 23:34:19 +10:00
dbell.c
powerpc: Inline doorbell sending functions
2020-07-29 21:02:09 +10:00
dma-iommu.c
dma-mapping: add a new dma_alloc_pages API
2020-09-25 06:20:47 +02:00
dma-mask.c
…
dma-swiotlb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
dt_cpu_ftrs.c
powerpc: untangle cputable mce include
2020-10-06 23:22:22 +11:00
early_32.c
powerpc/fsl_booke/32: implement KASLR infrastructure
2019-11-13 19:27:40 +11:00
eeh_cache.c
powerpc/eeh_cache: Fix a possible debugfs deadlock
2020-11-02 12:54:20 +11:00
eeh_driver.c
pci-v5.9-changes
2020-08-07 18:48:15 -07:00
eeh_event.c
powerpc/eeh: Fix build with STACKTRACE=n
2019-09-14 00:01:14 +10:00
eeh_pe.c
powerpc/eeh: Delete eeh_pe->config_addr
2020-10-07 22:34:47 +11:00
eeh_sysfs.c
powerpc/eeh: Pass eeh_dev to eeh_ops->resume_notify()
2020-07-26 23:34:20 +10:00
eeh.c
powerpc/eeh: Fix eeh_dev_check_failure() for PE#0
2020-10-22 10:38:53 +11:00
entry_32.S
powerpc: Remove support for PowerPC 601
2020-10-08 21:17:13 +11:00
entry_64.S
powerpc/security: Fix link stack flush instruction
2020-10-08 12:50:52 +11:00
epapr_hcalls.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
epapr_paravirt.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
exceptions-64e.S
powerpc/64e: remove 64s specific interrupt soft-mask code
2020-10-06 23:22:23 +11:00
exceptions-64s.S
powerpc fixes for CVE-2020-4788
2020-11-23 21:16:27 +11:00
fadump.c
powerpc updates for 5.10
2020-10-16 12:21:15 -07:00
firmware.c
powerpc/pseries: Add KVM guest doorbell restrictions
2020-07-29 21:02:10 +10:00
fpu.S
powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
2020-10-08 21:17:13 +11:00
fsl_booke_entry_mapping.S
powerpc/fsl_booke/32: implement KASLR infrastructure
2019-11-13 19:27:40 +11:00
head_8xx.S
powerpc/8xx: Manage _PAGE_ACCESSED through APG bits in L1 entry
2020-11-05 23:34:25 +11:00
head_32.h
powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
2020-10-08 21:17:13 +11:00
head_40x.S
powerpc/40x: Always fault when _PAGE_ACCESSED is not set
2020-11-05 23:34:16 +11:00
head_44x.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
head_64.S
powerpc/64: Remove unused generic_secondary_thread_init()
2020-09-08 22:24:17 +10:00
head_book3s_32.S
powerpc/32s: Use relocation offset when setting early hash table
2020-11-08 20:38:05 +11:00
head_booke.h
powerpc: Remove SYNC on non 6xx
2020-10-08 21:17:12 +11:00
head_fsl_booke.S
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
hw_breakpoint_constraints.c
powerpc/watchpoint: Move DAWR detection logic outside of hw_breakpoint.c
2020-09-15 22:13:19 +10:00
hw_breakpoint.c
powerpc/watchpoint: Move DAWR detection logic outside of hw_breakpoint.c
2020-09-15 22:13:19 +10:00
idle_6xx.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
idle_book3e.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_book3s.S
powerpc/64s: Reimplement power4_idle code in C
2020-01-16 14:59:37 +10:00
idle_e500.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
idle.c
sched/idle: Fix arch_cpu_idle() vs tracing
2020-11-24 16:47:35 +01:00
ima_arch.c
powerpc/ima: Fix secure boot rules in ima arch policy
2020-05-07 17:25:54 +10:00
io-workarounds.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
io.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iomap.c
iomap: constify ioreadX() iomem argument (as in generic implementation)
2020-08-14 19:56:57 -07:00
iommu.c
dma-mapping: introduce dma_get_seg_boundary_nr_pages()
2020-09-03 18:12:15 +02:00
irq.c
powerpc: Remove get_tb_or_rtc()
2020-10-08 21:17:14 +11:00
isa-bridge.c
powerpc: remove __ioremap_at and __iounmap_at
2020-06-02 10:59:10 -07:00
jump_label.c
powerpc: Use a datatype for instructions
2020-05-19 00:10:37 +10:00
kgdb.c
maccess: make get_kernel_nofault() check for minimal type compatibility
2020-06-18 12:10:37 -07:00
kprobes-ftrace.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
kprobes.c
powerpc: kprobes: Use generic kretprobe trampoline handler
2020-09-08 11:52:34 +02:00
kvm_emul.S
powerpc/kvm: Add ifdefs around template code
2019-09-14 00:04:40 +10:00
kvm.c
powerpc/kvm: Explicitly mark kvm guest code as __init
2019-09-14 00:04:40 +10:00
l2cr_6xx.S
powerpc: Drop SYNC_601() ISYNC_601() and SYNC()
2020-10-08 21:17:13 +11:00
legacy_serial.c
tty/serial: Migrate 8250_fsl to use has_sysrq
2019-12-18 15:04:42 +01:00
Makefile
powerpc/32s: Rename head_32.S to head_book3s_32.S
2020-10-08 21:17:14 +11:00
mce_power.c
powerpc/powernv: Machine check handler for POWER10
2020-07-23 17:43:30 +10:00
mce.c
powerpc/mce: Avoid nmi_enter/exit in real mode on pseries hash
2020-10-16 20:13:55 +11:00
misc_32.S
powerpc: Rewrite FSL_BOOKE flush_cache_instruction() in C
2020-09-02 11:00:21 +10:00
misc_64.S
powerpc: Remove SYNC on non 6xx
2020-10-08 21:17:12 +11:00
misc.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
module_32.c
powerpc: module_[32|64].c: replace swap function with built-in one
2020-05-11 23:15:14 +10:00
module_64.c
maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault
2020-06-17 10:57:41 -07:00
module.c
powerpc: Use MODULES_VADDR if defined
2020-07-27 00:01:30 +10:00
msi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
note.S
powerpc: Add PowerPC Capabilities ELF note
2019-08-30 09:40:15 +10:00
nvram_64.c
powerpc updates for 5.8
2020-06-05 12:39:30 -07:00
of_platform.c
powerpc/eeh: Remove eeh_dev_phb_init_dynamic()
2020-07-26 23:34:19 +10:00
optprobes_head.S
powerpc: Add prefixed instructions to instruction data type
2020-05-19 00:10:39 +10:00
optprobes.c
powerpc: Add ppc_inst_as_u64()
2020-05-26 23:36:57 +10:00
paca.c
Merge branch 'fixes' into next
2020-07-18 22:43:55 +10:00
pci_32.c
powerpc/64: Adjust order in pcibios_init()
2019-08-22 23:11:48 +10:00
pci_64.c
powerpc updates for 5.8
2020-06-05 12:39:30 -07:00
pci_dn.c
powerpc/eeh: Rename eeh_{add_to|remove_from}_parent_pe()
2020-07-26 23:34:21 +10:00
pci_of_scan.c
powerpc/pci: Remove pcibios_setup_bus_devices()
2020-01-06 16:25:29 +11:00
pci-common.c
Revert "powerpc/pci: unmap legacy INTx interrupts when a PHB is removed"
2020-10-15 13:42:49 +11:00
pci-hotplug.c
powerpc/eeh: Release EEH device state synchronously
2020-05-18 21:58:44 +10:00
pmc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ppc32.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ppc_save_regs.S
powerpc: Improve ppc_save_regs()
2020-04-04 21:40:57 +11:00
proc_powerpc.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
process.c
powerpc/process: Fix uninitialised variable error
2020-09-18 18:12:46 +10:00
prom_init_check.sh
powerpc/prom_init: Undo relocation before entering secure mode
2019-10-29 15:12:17 +11:00
prom_init.c
powerpc: fix -Wimplicit-fallthrough
2020-11-18 14:18:09 -06:00
prom_parse.c
…
prom.c
powerpc/mm/book3s: Split radix and hash MAX_PHYSMEM limit
2020-09-15 22:13:22 +10:00
reloc_32.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
reloc_64.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rtas_flash.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
rtas_pci.c
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
rtas-proc.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
rtas-rtc.c
…
rtas.c
powerpc/rtas: Restrict RTAS requests from userspace
2020-10-06 23:22:27 +11:00
rtasd.c
powerpc/rtasd: simplify handle_rtas_event(), emit message on events
2020-07-16 13:12:38 +10:00
secure_boot.c
powerpc/pseries: Detect secure and trusted boot state of the system.
2020-07-16 14:49:53 +10:00
security.c
powerpc/security: Fix link stack flush instruction
2020-10-08 12:50:52 +11:00
secvar-ops.c
powerpc/powernv: Add OPAL API interface to access secure variable
2019-11-13 00:33:22 +11:00
secvar-sysfs.c
powerpc: expose secure variables to userspace via sysfs
2019-11-13 00:33:22 +11:00
setup_32.c
powerpc: Remove support for PowerPC 601
2020-10-08 21:17:13 +11:00
setup_64.c
powerpc/64s: flush L1D after user accesses
2020-11-19 23:47:18 +11:00
setup-common.c
powerpc: Fix P10 PVR revision in /proc/cpuinfo for SMT4 cores
2020-08-17 13:11:22 +10:00
setup.h
powerpc/64: Prevent stack protection in early boot
2020-03-25 12:09:38 +11:00
signal_32.c
powerpc/signal_32: Simplify loop in PPC64 save_general_regs()
2020-07-15 12:04:40 +10:00
signal_64.c
powerpc/signal64: Don't opencode page prefaulting
2020-07-15 12:04:40 +10:00
signal.c
arch-cleanup-2020-10-22
2020-10-23 10:06:38 -07:00
signal.h
powerpc/64/sycall: Implement syscall entry/exit logic in C
2020-04-01 13:42:13 +11:00
smp-tbsync.c
…
smp.c
powerpc/smp: Call rcu_cpu_starting() earlier
2020-11-02 12:54:20 +11:00
stacktrace.c
kernel: rename show_stack_loglvl() => show_stack()
2020-06-09 09:39:13 -07:00
suspend.c
PM: hibernate: powerpc: Expose pfn_is_nosave() prototype
2019-06-14 10:48:56 +02:00
swsusp_32.S
powerpc/32: Blacklist functions running with MMU disabled for kprobe
2020-06-02 20:59:11 +10:00
swsusp_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
swsusp_asm64.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 505
2019-06-19 17:11:22 +02:00
swsusp_booke.S
…
swsusp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sys_ppc32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
syscall_64.c
powerpc: Only include kup-radix.h for 64-bit Book3S
2020-11-19 23:47:20 +11:00
syscalls.c
y2038: syscalls: change remaining timeval to __kernel_old_timeval
2019-11-15 14:38:29 +01:00
sysfs.c
powerpc/sysfs: Remove unused 'err' variable in sysfs_create_dscr_default()
2020-09-18 20:05:24 +10:00
systbl_chk.sh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
systbl.S
powerpc/64/sycall: Implement syscall entry/exit logic in C
2020-04-01 13:42:13 +11:00
tau_6xx.c
powerpc/tau: Disable TAU between measurements
2020-09-15 22:13:30 +10:00
time.c
sched/vtime: Consolidate IRQ time accounting
2020-12-02 20:20:05 +01:00
tm.S
powerpc/tm: Save and restore AMR on treclaim and trechkpt
2020-10-06 23:22:25 +11:00
traps.c
powerpc: Fix undetected data corruption with P9N DD2.1 VSX CI load emulation
2020-10-20 07:59:21 +11:00
ucall.S
powerpc/kernel: Add ucall_norets() ultravisor call handler
2019-08-30 09:40:15 +10:00
udbg_16550.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
udbg.c
powerpc/udbg: Make it safe to call udbg_printf() always
2019-10-11 19:33:25 +11:00
uprobes.c
powerpc: fix -Wimplicit-fallthrough
2020-11-18 14:18:09 -06:00
vdso.c
powerpc/vdso: Fix vdso cpu truncation
2020-07-16 13:12:47 +10:00
vecemu.c
powerpc: Define and use get_user_instr() et. al.
2020-05-19 00:10:37 +10:00
vector.S
powerpc: re-initialise lazy FPU/VEC counters on every fault
2020-07-16 13:00:24 +10:00
vmlinux.lds.S
ubsan: enable for all*config builds
2020-12-15 22:46:18 -08:00
watchdog.c
powerpc/watchdog: Use hrtimers for per-CPU heartbeat
2019-04-30 11:31:02 +10:00