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linux/arch/arm64/kernel
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Mark Rutland 76f4e2da45 arm64: kexec: always reset to EL2 if present 
Currently machine_kexec() doesn't reset to EL2 in the case of a
crashdump kernel. This leaves potentially dodgy state active at EL2, and
means that if the crashdump kernel attempts to online secondary CPUs,
these will be booted as mismatched ELs.

Let's reset to EL2, as we do in all other cases, and simplify things. If
EL2 state is corrupt, things are already sufficiently bad that kdump is
unlikely to work, and it's best-effort regardless.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morse <james.morse@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-07-04 18:34:24 +01:00
..
probes
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vdso
arm64 updates for 4.15
2017-11-15 10:56:56 -08:00
.gitignore
…
acpi_numa.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
acpi_parking_protocol.c
arm64: fix endianness annotation in acpi_parking_protocol.c
2017-06-29 11:33:15 +01:00
acpi.c
More ACPI updates for v4.16-rc1
2018-02-09 09:44:25 -08:00
alternative.c
arm64: Avoid flush_icache_range() in alternatives patching code
2018-06-27 18:21:53 +01:00
arm64ksyms.c
arm64: export tishift functions to modules
2018-05-21 19:00:48 +01:00
armv8_deprecated.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
asm-offsets.c
arm64: KVM: Handle guest's ARCH_WORKAROUND_2 requests
2018-05-31 18:00:57 +01:00
cacheinfo.c
arm64: Add support for ACPI based firmware tables
2018-05-17 17:28:09 +01:00
cpu_errata.c
arm64 updates for 4.18:
2018-06-08 11:10:58 -07:00
cpu_ops.c
arm64: cpu_ops: Add missing 'const' qualifiers
2017-12-01 13:05:08 +00:00
cpu-reset.h
arm64: kexec: always reset to EL2 if present
2018-07-04 18:34:24 +01:00
cpu-reset.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
cpufeature.c
arm64: kpti: Use early_param for kpti= command-line option
2018-06-22 17:23:26 +01:00
cpuidle.c
ARM64 / cpuidle: Use new cpuidle macro for entering retention state
2018-01-02 13:50:34 +00:00
cpuinfo.c
arm64: Expose Arm v8.4 features
2018-03-19 18:14:27 +00:00
crash_dump.c
arm64: kdump: provide /proc/vmcore file
2017-04-05 18:31:38 +01:00
debug-monitors.c
arm64: Use arm64_force_sig_info instead of force_sig_info
2018-03-06 18:52:32 +00:00
efi-entry.S
arm64: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
efi-header.S
arm64: efi: split Image code and data into separate PE/COFF sections
2017-04-04 17:50:59 +01:00
efi-rt-wrapper.S
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
efi.c
efi/arm64: Check whether x18 is preserved by runtime services calls
2018-03-09 08:58:22 +01:00
entry32.S
arm64: entry32: remove pointless register assignment
2015-07-10 16:47:13 +01:00
entry-fpsimd.S
arm64/sve: Write ZCR_EL1 on context switch only if changed
2018-05-17 18:19:53 +01:00
entry-ftrace.S
arm64: Fix static use of function graph
2017-11-03 12:05:23 +00:00
entry.S
arm64: ssbd: Introduce thread flag to control userspace mitigation
2018-05-31 17:35:32 +01:00
fpsimd.c
Small update for KVM.
2018-06-12 11:34:04 -07:00
ftrace.c
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
head.S
arm64/kvm: Prohibit guest LOR accesses
2018-02-26 10:48:01 +01:00
hibernate-asm.S
arm64: assembler: Change order of macro arguments in phys_to_ttbr
2018-02-06 22:53:21 +00:00
hibernate.c
arm64: ssbd: Restore mitigation status on CPU resume
2018-05-31 17:35:19 +01:00
hw_breakpoint.c
compat: Move compat_timespec/ timeval to compat_time.h
2018-04-19 13:29:54 +02:00
hyp-stub.S
arm64: hyp-stub: Zero x0 on successful stub handling
2017-04-09 07:49:35 -07:00
image.h
arm64/efi: Make strrchr() available to the EFI namespace
2018-03-05 13:45:38 -06:00
insn.c
arm64: insn: Allow ADD/SUB (immediate) with LSL #12
2018-03-19 13:05:13 +00:00
io.c
arm64: Avoid aligning normal memory pointers in __memcpy_{to,from}io
2017-10-24 16:23:07 +01:00
irq.c
arm64: Add vmap_stack header file
2018-01-13 10:45:03 +00:00
jump_label.c
jump_label: Rename JUMP_LABEL_{EN,DIS}ABLE to JUMP_LABEL_{JMP,NOP}
2015-08-03 11:34:12 +02:00
kaslr.c
arm64/kernel: kaslr: reduce module randomization range to 4 GB
2018-03-08 13:49:26 +00:00
kgdb.c
arm64/debug: Fix registers on sleeping tasks
2018-03-06 18:52:34 +00:00
kuser32.S
arm64: Add __NR_* definitions for compat syscalls
2014-07-10 11:02:40 +01:00
machine_kexec.c
arm64: kexec: always reset to EL2 if present
2018-07-04 18:34:24 +01:00
Makefile
arm64: ssbd: Add prctl interface for per-thread mitigation
2018-05-31 18:00:52 +01:00
module-plts.c
arm64/kernel: rename module_emit_adrp_veneer->module_emit_veneer_for_adrp
2018-04-24 19:07:35 +01:00
module.c
arm64: Avoid flush_icache_range() in alternatives patching code
2018-06-27 18:21:53 +01:00
module.lds
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
paravirt.c
arm64: introduce CONFIG_PARAVIRT, PARAVIRT_TIME_ACCOUNTING and pv_time_ops
2015-12-21 14:40:54 +00:00
pci.c
PCI: Add a generic weak pcibios_align_resource()
2017-08-02 14:53:16 -05:00
perf_callchain.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
perf_event.c
arm_pmu: simplify arm_pmu::handle_irq
2018-05-21 18:07:05 +01:00
perf_regs.c
compat: Move compat_timespec/ timeval to compat_time.h
2018-04-19 13:29:54 +02:00
process.c
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
psci.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
ptrace.c
Small update for KVM.
2018-06-12 11:34:04 -07:00
reloc_test_core.c
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
reloc_test_syms.S
arm64: fix undefined reference to 'printk'
2018-03-19 18:14:25 +00:00
relocate_kernel.S
arm64: Add software workaround for Falkor erratum 1041
2018-02-06 22:53:13 +00:00
return_address.c
arm64: unwind: remove sp from struct stackframe
2017-08-09 14:10:29 +01:00
sdei.c
arm64: sdei: Add trampoline code for remapping the kernel
2018-01-14 18:49:50 +00:00
setup.c
arm64: Move the async/fiq helpers to explicitly set process context flags
2017-11-02 15:55:41 +00:00
signal32.c
arm64: uaccess: Fix omissions from usercopy whitelist
2018-03-28 15:25:44 +01:00
signal.c
arm64: Fix syscall restarting around signal suppressed by tracer
2018-06-08 13:21:39 +01:00
sleep.S
arm64: idmap: Use "awx" flags for .idmap.text .pushsection directives
2018-02-06 22:53:27 +00:00
smccc-call.S
firmware: qcom: scm: Fix interrupted SCM calls
2017-02-03 18:46:33 +00:00
smp_spin_table.c
arm64: Use __pa_symbol for kernel symbols
2017-01-12 15:05:39 +00:00
smp.c
arm64: make secondary_start_kernel() notrace
2018-06-19 14:19:24 +01:00
ssbd.c
arm64: ssbd: Add prctl interface for per-thread mitigation
2018-05-31 18:00:52 +01:00
stacktrace.c
arm64: fix infinite stacktrace
2018-07-04 18:34:23 +01:00
suspend.c
arm64: ssbd: Restore mitigation status on CPU resume
2018-05-31 17:35:19 +01:00
sys32.c
arm64: fix implementation of mmap2 compat syscall
2015-03-19 10:43:51 +00:00
sys_compat.c
signal: Ensure every siginfo we send has all bits initialized
2018-04-25 10:40:51 -05:00
sys.c
mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
2018-04-02 20:16:11 +02:00
time.c
arm64: fix unwind_frame() for filtered out fn for function graph tracing
2018-02-23 13:46:38 +00:00
topology.c
arm64: topology: Avoid checking numa mask for scheduler MC selection
2018-06-07 17:42:11 +01:00
trace-events-emulation.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
traps.c
Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2018-06-04 15:23:48 -07:00
vdso.c
arm64/vdso: Support mremap() for vDSO
2017-08-09 12:16:28 +01:00
vmlinux.lds.S
arm64: remove no-op macro VMLINUX_SYMBOL()
2018-05-15 18:14:24 +01:00