linux/arch/arm64/kernel
Jayachandran C dccc9da22d arm64: Improve parking of stopped CPUs
The current code puts the stopped cpus in an 'yield' instruction loop.
Using a busy loop here is unnecessary, we can use the cpu_park_loop()
function here to do a wfi/wfe.

Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2019-06-25 16:42:09 +01:00
..
probes arm64/kprobes: set VM_FLUSH_RESET_PERMS on kprobe instruction pages 2019-06-24 18:10:39 +01:00
vdso arm64: vdso: Explicitly add build-id option 2019-05-16 11:45:36 +01:00
.gitignore
acpi_numa.c acpi: Create subtable parsing infrastructure 2019-04-04 18:41:12 +02:00
acpi_parking_protocol.c arm64: fix endianness annotation in acpi_parking_protocol.c 2017-06-29 11:33:15 +01:00
acpi.c acpi/arm64: ignore 5.1 FADTs that are reported as 5.0 2019-06-24 18:10:38 +01:00
alternative.c arm64: alternative: Apply alternatives early in boot process 2019-02-06 10:05:20 +00:00
armv8_deprecated.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
asm-offsets.c * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
cacheinfo.c arm64/mm: Correct the cache line size warning with non coherent device 2019-06-17 11:52:47 +01:00
cpu_errata.c arm64: Handle erratum 1418040 as a superset of erratum 1188873 2019-05-23 15:40:30 +01:00
cpu_ops.c arm64: cpu_ops: fix a leaked reference by adding missing of_node_put 2019-04-03 13:50:35 +01:00
cpu-reset.h arm64: kexec: always reset to EL2 if present 2018-07-04 18:34:24 +01:00
cpu-reset.S arm64: kexec_file: invoke the kernel without purgatory 2018-12-06 14:38:53 +00:00
cpufeature.c arm64: Expose FRINT capabilities to userspace 2019-06-25 14:24:00 +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 FRINT capabilities to userspace 2019-06-25 14:24:00 +01:00
crash_core.c arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE 2018-09-11 11:08:49 +01:00
crash_dump.c arm64: kdump: fix small typo 2018-11-02 17:24:17 +00:00
debug-monitors.c arm64: Clear OSDLR_EL1 on CPU boot 2019-04-09 12:38:31 +01:00
efi-entry.S arm64: Add software workaround for Falkor erratum 1041 2018-02-06 22:53:13 +00:00
efi-header.S
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
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: frace: use asm EXPORT_SYMBOL() 2018-12-10 11:50:12 +00:00
entry.S arm64: Fix incorrect irqflag restore for priority masking 2019-06-21 15:50:10 +01:00
fpsimd.c arm64/fpsimd: Don't disable softirq when touching FPSIMD/SVE state 2019-06-04 13:17:37 +01:00
ftrace.c arm64/module: ftrace: deal with place relative nature of PLTs 2019-04-23 13:35:00 +01:00
head.S arm64: Fix size of __early_cpu_boot_status 2019-05-01 14:39:26 +01:00
hibernate-asm.S arm64: mm: Offset TTBR1 to allow 52-bit PTRS_PER_PGD 2018-12-10 18:42:17 +00:00
hibernate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194 2019-05-30 11:29:22 -07:00
hw_breakpoint.c perf/arch/arm64: Implement hw_breakpoint_arch_parse() 2018-06-26 09:07:56 +02:00
hyp-stub.S arm64: hyp-stub: Forbid kprobing of the hyp-stub 2019-02-01 14:10:01 +00:00
image.h Merge branch 'for-next/kexec' into aarch64/for-next/core 2018-12-10 18:57:17 +00:00
insn.c bpf, arm64: use more scalable stadd over ldxr / stxr loop in xadd 2019-04-26 18:53:40 -07:00
io.c arm64: Avoid aligning normal memory pointers in __memcpy_{to,from}io 2017-10-24 16:23:07 +01:00
irq.c arm64: fix kernel stack overflow in kdump capture kernel 2019-06-21 15:50:23 +01:00
jump_label.c jump_label: move 'asm goto' support test to Kconfig 2019-01-06 09:46:51 +09:00
kaslr.c arm64/kernel: kaslr: reduce module randomization range to 2 GB 2019-05-23 11:38:11 +01:00
kexec_image.c arm64: kexec_file: forbid kdump via kexec_file_load() 2018-12-07 15:28:21 +00:00
kgdb.c arm64: debug: Remove redundant user_mode(regs) checks from debug handlers 2019-04-09 11:21:13 +01:00
kuser32.S arm64: compat: Add KUSER_HELPERS config option 2019-04-23 18:01:58 +01:00
machine_kexec_file.c arm64: kexec_file: handle empty command-line 2019-02-05 09:34:49 +00:00
machine_kexec.c arm64: kdump: no need to mark crashkernel pages manually PG_reserved 2019-03-05 21:07:19 -08:00
Makefile arm64: compat: Add KUSER_HELPERS config option 2019-04-23 18:01:58 +01:00
module-plts.c arm64/module: switch to ADRP/ADD sequences for PLT entries 2018-11-27 19:00:45 +00:00
module.c arm64: module: create module allocations without exec permissions 2019-06-24 18:10:39 +01:00
module.lds arm64: ftrace: emit ftrace-mod.o contents through code 2017-12-01 13:04:59 +00:00
paravirt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
pci.c arm64: PCI: Remove node-local allocations when initialising host controller 2018-09-17 16:33:23 -05:00
perf_callchain.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
perf_event.c * ARM: support for SVE and Pointer Authentication in guests, PMU improvements 2019-05-17 10:33:30 -07:00
perf_regs.c compat: Move compat_timespec/ timeval to compat_time.h 2018-04-19 13:29:54 +02:00
pointer_auth.c arm64: ptr auth: Move per-thread keys from thread_info to thread_struct 2018-12-13 16:42:47 +00:00
process.c arm64: Fix incorrect irqflag restore for priority masking 2019-06-21 15:50:10 +01:00
psci.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
ptrace.c arm64: ptrace: add support for syscall emulation 2019-06-05 17:51:24 +01:00
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: kexec_file: invoke the kernel without purgatory 2018-12-06 14:38:53 +00:00
return_address.c arm64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack 2018-12-22 08:21:02 -05:00
sdei.c arm64: fix wrong check of on_sdei_stack in nmi context 2019-04-04 16:02:25 +01:00
setup.c arm64: replace memblock_alloc_low with memblock_alloc 2019-03-27 18:12:41 +00:00
signal32.c arm64: compat: Alloc separate pages for vectors and sigpage 2019-04-23 18:01:31 +01:00
signal.c arm64: fpsimd: Always set TIF_FOREIGN_FPSTATE on task state flush 2019-03-29 14:41:52 +00:00
sigreturn32.S arm64: compat: Split kuser32 2019-04-23 18:01:57 +01:00
sleep.S arm64: kernel: use aff3 instead of aff2 in comment 2019-06-04 14:51:01 +01:00
smccc-call.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
smp_spin_table.c
smp.c arm64: Improve parking of stopped CPUs 2019-06-25 16:42:09 +01:00
ssbd.c arm64: ssbd: Add support for PSTATE.SSBS rather than trapping to EL3 2018-09-14 17:46:19 +01:00
stacktrace.c arm64/stacktrace: Remove the pointless ULONG_MAX marker 2019-04-14 19:58:29 +02:00
suspend.c arm64: mm: Support Common Not Private translations 2018-09-18 12:02:27 +01:00
sys32.c arm64: use the correct function type for __arm64_sys_ni_syscall 2019-05-29 13:46:00 +01:00
sys_compat.c arm64 fixes for -rc1 2019-01-05 11:28:39 -08:00
sys.c arm64: use the correct function type for __arm64_sys_ni_syscall 2019-05-29 13:46:00 +01:00
syscall.c arm64: errata: Add workaround for Cortex-A76 erratum #1463225 2019-05-23 11:38:10 +01:00
time.c arm64: Use ftrace_graph_get_ret_stack() instead of curr_ret_stack 2018-12-22 08:21:02 -05:00
topology.c arm64: topology: re-introduce numa mask check for scheduler MC selection 2018-07-06 13:18:18 +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 signal/arm64: Use force_sig not force_sig_fault for SIGKILL 2019-05-29 11:05:25 +01:00
vdso.c arm64: compat: Add KUSER_HELPERS config option 2019-04-23 18:01:58 +01:00
vmlinux.lds.S arm64: relocatable: fix inconsistencies in linker script and options 2018-12-04 12:48:25 +00:00