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Christophe Leroy 3160e84aba powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32 
commit feb8e960d780e170e992a70491eec9dd68f4dbf2 upstream.

CONFIG_PPC_KUAP_DEBUG is not selectable because it depends on PPC_32
which doesn't exists.

Fixing it leads to a deadlock due to a vital register getting
clobbered in _switch().

Change dependency to PPC32 and use r0 instead of r4 in _switch()

Fixes: e2fb9f544431 ("powerpc/32: Prepare for Kernel Userspace Access Protection")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/540242f7d4573f7cdf1b3bf46bb35f743b2cd68f.1587124651.git.christophe.leroy@c-s.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-04-29 16:33:25 +02:00
..
syscalls
powerpc: Wire up clone3 syscall
2019-07-29 09:34:27 +10:00
trace
powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
2019-09-18 12:24:55 +10:00
vdso32
powerpc: Fix vDSO clock_getres()
2019-12-17 19:56:47 +01:00
vdso64
powerpc: Fix vDSO clock_getres()
2019-12-17 19:56:47 +01:00
.gitignore
powerpc: improve prom_init_check rule
2019-09-14 00:04:41 +10:00
align.c
powerpc/spe: Mark expected switch fall-throughs
2019-07-31 00:19:34 +10:00
asm-offsets.c
powerpc: Fix vDSO clock_getres()
2019-12-17 19:56:47 +01:00
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
btext.c
powerpc: Rework btext_find_display to use of_stdout and device_type helpers
2018-11-26 22:33:37 +11:00
cacheinfo.c
powerpc updates for 5.3
2019-07-13 16:08:36 -07:00
cacheinfo.h
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
2019-06-15 16:52:06 +10:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cpu_setup_6xx.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
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/64s: Set reserved PCR bits
2019-09-21 08:36:53 +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: fix hardware PMU exception bug on PowerVM compatibility mode systems
2020-03-12 13:00:31 +01:00
crash_dump.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
crash.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
dawr.c
powerpc: Fix compile issue with force DAWR
2019-07-03 15:19:35 +10:00
dbell.c
KVM: PPC: Book3S HV: use smp_mb() when setting/clearing host_ipi flag
2019-09-24 12:46:26 +10:00
dma-iommu.c
powerpc updates for 5.4
2019-09-20 11:48:06 -07:00
dma-mask.c
dma-mapping, powerpc: simplify the arch dma_set_mask override
2019-02-18 22:41:03 +11:00
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/64: Setup a paca before parsing device tree etc.
2020-04-17 10:50:23 +02:00
early_32.c
powerpc/32: use memset() instead of memset_io() to zero BSS
2019-05-03 01:20:26 +10:00
eeh_cache.c
powerpc/eeh: Convert log messages to eeh_edev_* macros
2019-08-22 23:12:47 +10:00
eeh_dev.c
powerpc/eeh: Add bdfn field to eeh_dev
2019-08-22 23:12:46 +10:00
eeh_driver.c
powerpc/eeh: Fix deadlock handling dead PHB
2020-02-28 17:22:17 +01:00
eeh_event.c
powerpc/eeh: Fix build with STACKTRACE=n
2019-09-14 00:01:14 +10:00
eeh_pe.c
powerpc/eeh: Clean up EEH PEs after recovery finishes
2019-09-05 14:22:37 +10:00
eeh_sysfs.c
powerpc/eeh: Add include_passed to eeh_pe_state_clear()
2019-02-05 11:55:43 +11:00
eeh.c
powerpc/eeh: Fix eeh eeh_debugfs_break_device() with SRIOV devices
2019-09-27 09:04:17 +10:00
entry_32.S
powerpc/mm: Fix CONFIG_PPC_KUAP_DEBUG on PPC32
2020-04-29 16:33:25 +02:00
entry_64.S
powerpc/book3s64: Fix link stack flush on context switch
2019-11-29 10:10:31 +01:00
epapr_hcalls.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
epapr_paravirt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266
2019-06-05 17:30:28 +02:00
exceptions-64e.S
powerpc/64: optimise LOAD_REG_IMMEDIATE_SYM()
2019-08-27 13:03:36 +10:00
exceptions-64s.S
powerpc/64s/exception: reduce page fault unnecessary loads
2019-08-30 11:14:59 +10:00
fadump.c
powerpc/fadump: support holes in kernel boot memory area
2019-09-14 00:04:46 +10:00
firmware.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
fpu.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
fsl_booke_entry_mapping.S
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
head_8xx.S
powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss
2020-02-28 17:22:17 +01:00
head_32.h
powerpc/32: replace LOAD_MSR_KERNEL() by LOAD_REG_IMMEDIATE()
2019-08-27 13:03:36 +10:00
head_32.S
powerpc/32s: use CONFIG_PPC_BOOK3S_601 instead of reading PVR
2019-08-28 23:19:33 +10:00
head_40x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
head_44x.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
head_64.S
powerpc/prom: convert PROM_BUG() to standard trap
2019-08-28 11:31:18 +10:00
head_booke.h
powerpc/32: fix build failure on book3e with KVM
2019-06-16 00:03:38 +10:00
head_fsl_booke.S
powerpc/kasan: Fix boot failure with RELOCATABLE && FSL_BOOKE
2020-01-26 10:00:59 +01:00
hw_breakpoint.c
powerpc/watchpoint: Disable watchpoint hit by larx/stcx instructions
2019-09-12 09:27:00 +10:00
idle_6xx.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_book3e.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_book3s.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_e500.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle_power4.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
idle.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
ima_kexec.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
io-workarounds.c
powerpc/mm: rework io-workaround invocation.
2019-08-27 13:03:34 +10:00
io.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iomap.c
powerpc: iomap.c: introduce io{read|write}64_{lo_hi|hi_lo}
2018-04-05 14:59:26 +10:00
iommu.c
Merge branch 'topic/ppc-kvm' into next
2019-08-30 09:52:57 +10:00
irq.c
powerpc/irq: fix stack overflow verification
2019-12-31 16:46:29 +01:00
isa-bridge.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
jump_label.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
kexec_elf_64.c
kexec: add KEXEC_ELF
2019-09-06 23:58:43 +02:00
kgdb.c
powerpc: Activate CONFIG_THREAD_INFO_IN_TASK
2019-02-23 22:31:40 +11:00
kprobes-ftrace.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
kprobes.c
powerpc/kprobes: Ignore traps that happened in real mode
2020-04-17 10:50:23 +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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
legacy_serial.c
powerpc: Use of_node_name_eq for node name comparisons
2018-12-22 21:29:50 +11:00
machine_kexec_32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
machine_kexec_64.c
powerpc/pseries/svm: Unshare all pages before kexecing a new kernel
2019-08-30 09:55:40 +10:00
machine_kexec_file_64.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 285
2019-06-05 17:36:37 +02:00
machine_kexec.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 230
2019-06-19 17:09:06 +02:00
Makefile
powerpc: Make setjmp/longjmp signature standard
2020-04-17 10:50:23 +02:00
mce_power.c
powerpc/mm/mce: Keep irqs disabled during lockless page table walk
2019-09-19 21:24:59 +10:00
mce.c
powerpc/64s/pseries: machine check convert to use common event code
2019-08-30 10:32:35 +10:00
misc_32.S
powerpc: Convert flush_icache_range & friends to C
2020-03-12 13:00:25 +01:00
misc_64.S
powerpc: Convert flush_icache_range & friends to C
2020-03-12 13:00:25 +01:00
misc.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
module_32.c
powerpc updates for 5.3
2019-07-13 16:08:36 -07:00
module_64.c
powerpc updates for 5.3
2019-07-13 16:08:36 -07:00
module.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
module.lds
powerpc/modules: Fix alignment of .toc section in kernel modules
2017-12-11 13:03:35 +11:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
of_platform.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
optprobes_head.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
optprobes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
paca.c
powerpc/64: Prevent stack protection in early boot
2020-04-17 10:50:23 +02:00
pci_32.c
powerpc/64: Adjust order in pcibios_init()
2019-08-22 23:11:48 +10:00
pci_64.c
powerpc/64: Adjust order in pcibios_init()
2019-08-22 23:11:48 +10:00
pci_dn.c
powerpc/sriov: Remove VF eeh_dev state when disabling SR-IOV
2020-02-24 08:36:56 +01:00
pci_of_scan.c
powerpc/of/pci: Rewrite pci_parse_of_flags
2019-08-29 20:24:05 +10:00
pci-common.c
powerpc/64: Adjust order in pcibios_init()
2019-08-22 23:11:48 +10:00
pci-hotplug.c
powerpc/eeh: Fix race when freeing PDNs
2019-09-05 14:22:37 +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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
proc_powerpc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
process.c
powerpc updates for 5.4
2019-09-20 11:48:06 -07:00
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/prom_init: Pass the "os-term" message to hypervisor
2020-04-23 10:36:34 +02:00
prom_parse.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
prom.c
powerpc/fadump: add support to preserve crash data on FADUMP disabled kernel
2019-09-14 00:04:45 +10:00
ptrace32.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ptrace.c
ptrace: move clearing of TIF_SYSCALL_EMU flag to core
2019-06-05 17:51:17 +01:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
rtas_pci.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
rtas-proc.c
powerpc updates for 4.18
2018-06-07 10:23:33 -07:00
rtas-rtc.c
powerpc: use time64_t in read_persistent_clock
2018-06-03 20:43:33 +10:00
rtas.c
powerpc/rtas: allow rescheduling while changing cpu states
2019-08-20 21:22:27 +10:00
rtasd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
security.c
powerpc/security: Fix debugfs data leak on 32-bit
2020-01-26 10:00:59 +01:00
setup_32.c
powerpc/32: drop CPU_FTR_UNIFIED_ID_CACHE
2019-08-28 23:19:33 +10:00
setup_64.c
powerpc/setup_64: Set cache-line-size based on cache-block-size
2020-04-29 16:33:20 +02:00
setup-common.c
powerpc updates for 5.4
2019-09-20 11:48:06 -07:00
setup.h
powerpc/64: Prevent stack protection in early boot
2020-04-17 10:50:23 +02:00
signal_32.c
powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery
2020-02-28 17:22:17 +01:00
signal_64.c
powerpc/64/tm: Don't let userspace set regs->trap via sigreturn
2020-04-17 10:50:22 +02:00
signal.c
powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery
2020-02-28 17:22:17 +01:00
signal.h
powerpc/syscalls: signal_{32, 64} - switch to SYSCALL_DEFINE
2018-05-10 23:25:13 +10:00
smp-tbsync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
smp.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
stacktrace.c
powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
2019-09-18 12:24:55 +10:00
suspend.c
PM: hibernate: powerpc: Expose pfn_is_nosave() prototype
2019-06-14 10:48:56 +02:00
swsusp_32.S
powerpc/32s: fix suspend/resume when IBATs 4-7 are used
2019-06-19 20:05:07 +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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
syscalls.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sysfs.c
powerpc/pseries/svm: Export guest SVM status to user space via sysfs
2019-08-30 09:55:41 +10:00
systbl_chk.sh
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
systbl.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
tau_6xx.c
powerpc/tau: Make some function static
2018-05-25 12:04:44 +10:00
time.c
Revert "powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled"
2020-04-29 16:33:01 +02:00
tm.S
powerpc/tm: update comment about interrupt re-entrancy
2019-07-02 21:39:49 +10:00
traps.c
powerpc/book3s/mm: Update Oops message to print the correct translation in use
2020-01-04 19:18:10 +01:00
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
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
uprobes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
vdso.c
powerpc/32s: drop CPU_FTR_USE_RTC feature
2019-08-28 23:19:33 +10:00
vecemu.c
powerpc: Add a missing include header
2018-05-25 12:04:46 +10:00
vector.S
powerpc/64: Don't trace code that runs with the soft irq mask unreconciled
2019-05-03 01:58:11 +10:00
vmlinux.lds.S
powerpc: Include .BTF section
2020-03-25 08:25:42 +01:00
watchdog.c
powerpc/watchdog: Use hrtimers for per-CPU heartbeat
2019-04-30 11:31:02 +10:00