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OpenCloudOS-Kernel/arch/arc/kernel
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Alexey Brodkin 9bd54517ee arc: unwind: warn only once if DW2_UNWIND is disabled 
If CONFIG_ARC_DW2_UNWIND is disabled every time arc_unwind_core()
gets called following message gets printed in debug console:
----------------->8---------------
CONFIG_ARC_DW2_UNWIND needs to be enabled
----------------->8---------------

That message makes sense if user indeed wants to see a backtrace or
get nice function call-graphs in perf but what if user disabled
unwinder for the purpose? Why pollute his debug console?

So instead we'll warn user about possibly missing feature once and
let him decide if that was what he or she really wanted.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: stable@vger.kernel.org
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 		2016-06-28 11:11:44 +05:30
..
.gitignore ARC: Add some .gitignore entries 2013-08-26 09:40:24 +05:30
Makefile ARC: RIP arc_{get|set}_core_freq() clk API 2016-05-09 09:32:31 +05:30
arc_hostlink.c ARC: Hostlink Pseudo-Driver for Metaware Debugger 2013-02-15 23:16:10 +05:30
arcksyms.c ARC: Build system: Makefiles, Kconfig, Linker script 2013-02-11 20:00:25 +05:30
asm-offsets.c ARCv2: [vdk] dts files and defconfig for HS38 VDK 2015-06-25 06:00:21 +05:30
ctx_sw.c ARC: [plat-eznps] Use dedicated identity auxiliary register. 2016-05-09 09:32:33 +05:30
ctx_sw_asm.S ARC: remove SYNC from __switch_to() 2015-11-17 22:05:30 +05:30
devtree.c ARC: RIP arc_{get|set}_core_freq() clk API 2016-05-09 09:32:31 +05:30
disasm.c ARC: rename kconfig option for unaligned emulation 2014-10-13 14:46:15 +05:30
entry-arcv2.S ARCv2: Enable LOCKDEP 2016-04-22 18:12:31 +05:30
entry-compact.S ARC: [intc-compact] simplify code for 2 priority levels 2016-05-30 22:45:04 +05:30
entry.S ARC: [arcompact] Handle bus error from userspace as Interrupt not exception 2015-11-14 13:12:20 +05:30
fpu.c ARC: Process-creation/scheduling/idle-loop 2013-02-11 20:00:38 +05:30
head.S ARC: boot: Non Master cpus only need to call EARLY_CPU_SETUP once 2015-10-28 16:13:42 +05:30
intc-arcv2.c ARC: [intc-*] switch to linear domain 2016-05-09 09:32:30 +05:30
intc-compact.c ARC: [intc-compact] simplify code for 2 priority levels 2016-05-30 22:45:04 +05:30
irq.c ARC: [intc-*] Do a domain lookup in primary handler for hwirq -> linux virq 2016-05-09 09:32:30 +05:30
kgdb.c ARC: kgdb: generic kgdb_arch_pc() suffices 2014-10-22 16:14:04 -06:00
kprobes.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-15 16:47:22 -08:00
mcip.c ARC: irq: export some IRQs again 2016-05-09 09:32:30 +05:30
module.c ARC: Fix coding style issues 2013-04-09 12:21:14 +05:30
pcibios.c ARC: Add PCI support 2016-03-10 14:44:13 -06:00
perf_event.c Fix typos 2016-05-30 10:07:32 +05:30
process.c exit_thread: remove empty bodies 2016-05-20 17:58:30 -07:00
ptrace.c ARCv2: Support for ARCv2 ISA and HS38x cores 2015-06-22 14:06:55 +05:30
reset.c arc: export symbol for pm_power_off in reset.c 2013-11-06 10:41:44 +05:30
setup.c Fix typos 2016-05-30 10:07:32 +05:30
signal.c Fix typos 2016-05-30 10:07:32 +05:30
smp.c ARC: Mark secondary cpu online only after all HW setup is done 2016-05-09 09:32:32 +05:30
stacktrace.c arc: unwind: warn only once if DW2_UNWIND is disabled 2016-06-28 11:11:44 +05:30
sys.c ARC: ABIv3: fork/vfork wrappers not needed in "no-legacy-syscall" ABI 2013-03-11 19:01:10 +05:30
time.c ARC: clocksource: DT based probe 2016-05-09 09:32:30 +05:30
traps.c ARC: rename unhandled exception handler 2015-04-13 15:14:57 +05:30
troubleshoot.c Fix typos 2016-05-30 10:07:32 +05:30
unaligned.c ARC: change some branchs to jumps to resolve linkage errors 2015-08-20 18:53:15 +05:30
unwind.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching 2016-01-14 16:38:02 -08:00
vmlinux.lds.S ARC: boot: Support Halt-on-reset and Run-on-reset SMP booting modes 2015-10-28 16:08:17 +05:30