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499c81507f
linux_dsm_epyc7002/arch/arm64/kernel
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Anna-Maria Gleixner 499c81507f arm64/debug: Remove superfluous SMP function call 
Since commit 1cf4f629d9 ("cpu/hotplug: Move online calls to
hotplugged cpu") it is ensured that callbacks of CPU_ONLINE and
CPU_DOWN_PREPARE are processed on the hotplugged CPU. Due to this SMP
function calls are no longer required.

Replace smp_call_function_single() with a direct call to
clear_os_lock(). The function writes the OSLAR register to clear OS
locking. This does not require to be called with interrupts disabled,
therefore the smp_call_function_single() calling convention is not
preserved.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2016-04-14 18:13:03 +01:00
..
vdso arm64: vdso: Mark vDSO code as read-only 2016-02-16 18:20:23 +00:00
.gitignore
acpi_parking_protocol.c arm64: kernel: acpi: fix ioremap in ACPI parking protocol cpu_postboot 2016-02-26 15:39:52 +00:00
acpi.c
alternative.c
arm64ksyms.c ARM: 8480/2: arm64: add implementation for arm-smccc 2016-01-04 16:24:45 +00:00
armv8_deprecated.c arm64: switch to relative exception tables 2016-02-24 14:57:26 +00:00
asm-offsets.c arm64 updates for 4.6: 2016-03-17 20:03:47 -07:00
cacheinfo.c
cpu_errata.c arm64: Add workaround for Cavium erratum 27456 2016-02-26 15:14:27 +00:00
cpu_ops.c arm64: kernel: implement ACPI parking protocol 2016-02-16 15:12:32 +00:00
cpufeature.c arm64: cpufeature: append additional id_aa64mmfr2 fields to cpufeature 2016-04-13 14:49:23 +01:00
cpuidle.c arm64: cpuidle: make arm_cpuidle_suspend() a bit more efficient 2016-04-13 14:49:23 +01:00
cpuinfo.c arm64: make mrs_s prefixing implicit in read_cpuid 2016-03-04 14:12:46 +00:00
debug-monitors.c arm64/debug: Remove superfluous SMP function call 2016-04-14 18:13:03 +01:00
efi-entry.S arm64: move early boot code to the .init segment 2016-04-14 18:11:30 +01:00
efi.c
entry32.S
entry-fpsimd.S
entry-ftrace.S
entry.S arm64/kernel: fix incorrect EL0 check in inv_entry macro 2016-03-21 12:05:34 +00:00
fpsimd.c arm64: Fix misspellings in comments. 2016-03-04 18:19:17 +00:00
ftrace.c arm64: ftrace: modify a stack frame in a safe way 2015-12-21 17:26:01 +00:00
head.S arm64: move early boot code to the .init segment 2016-04-14 18:11:30 +01:00
hw_breakpoint.c
hyp-stub.S
image.h arm64: move early boot code to the .init segment 2016-04-14 18:11:30 +01:00
insn.c arm64: insn: avoid virt_to_page() translations on core kernel symbols 2016-04-14 16:31:49 +01:00
io.c
irq.c arm64: remove irq_count and do_softirq_own_stack() 2015-12-21 17:26:01 +00:00
jump_label.c
kaslr.c arm64: kaslr: randomize the linear region 2016-02-24 14:57:27 +00:00
kgdb.c arm64: Fix misspellings in comments. 2016-03-04 18:19:17 +00:00
kuser32.S
Makefile arm64: add support for kernel ASLR 2016-02-24 14:57:27 +00:00
module-plts.c arm64: add support for module PLTs 2016-02-24 14:57:24 +00:00
module.c arm64: add support for kernel ASLR 2016-02-24 14:57:27 +00:00
module.lds arm64: add support for module PLTs 2016-02-24 14:57:24 +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 ARM64: PCI: Remove generated include of asm-generic/pci-bridge.h 2016-02-05 16:29:12 -06:00
perf_callchain.c arm64: ftrace: fix a stack tracer's output under function graph tracer 2015-12-21 17:26:02 +00:00
perf_event.c arm64: perf: Move PMU register related defines to asm/perf_event.h 2016-03-29 16:04:57 +01:00
perf_regs.c
process.c arm64: Remove the get_thread_info() function 2016-02-18 17:27:05 +00:00
psci.c ARM: 8511/1: ARM64: kernel: PSCI: move PSCI idle management code to drivers/firmware 2016-02-11 15:33:38 +00:00
ptrace.c arm64: Rework valid_user_regs 2016-03-02 15:49:28 +00:00
return_address.c arm64: ftrace: fix a stack tracer's output under function graph tracer 2015-12-21 17:26:02 +00:00
setup.c arm64: remove the now unneeded relocate_initrd() 2016-04-14 16:20:45 +01:00
signal32.c arm64: Fix misspellings in comments. 2016-03-04 18:19:17 +00:00
signal.c arm64: Rework valid_user_regs 2016-03-02 15:49:28 +00:00
sleep.S arm64: kasan: clear stale stack poison 2016-03-09 15:43:42 -08:00
smccc-call.S ARM: 8480/2: arm64: add implementation for arm-smccc 2016-01-04 16:24:45 +00:00
smp_spin_table.c
smp.c arm64 updates for 4.6: 2016-03-17 20:03:47 -07:00
stacktrace.c arm64: make irq_stack_ptr more robust 2016-02-12 15:53:51 +00:00
suspend.c arm64: unify idmap removal 2016-02-16 15:10:44 +00:00
sys32.c
sys_compat.c
sys.c
time.c arm64: ftrace: fix a stack tracer's output under function graph tracer 2015-12-21 17:26:02 +00:00
topology.c
trace-events-emulation.h
traps.c arm64: make irq_stack_ptr more robust 2016-02-12 15:53:51 +00:00
vdso.c arm64: vdso: avoid virt_to_page() translations on kernel symbols 2016-04-14 16:31:49 +01:00
vmlinux.lds.S arm64: simplify kernel segment mapping granularity 2016-04-14 18:11:44 +01:00