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Matthias Schiffer e68a9fb0ef mips: ftrace: fix static function graph tracing 
commit 6fb8656646 upstream.

ftrace_graph_caller was never run after calling ftrace_trace_function,
breaking the function graph tracer. Fix this, bringing it in line with the
x86 implementation.

While we're at it, also streamline the control flow of _mcount a bit to
reduce the number of branches.

This issue was reported before:
https://www.linux-mips.org/archives/linux-mips/2014-11/msg00295.html

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
Tested-by: Matt Redfearn <matt.redfearn@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/18929/
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: stable@vger.kernel.org # v3.17+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-03 11:21:28 +02:00
..
.gitignore
…
8250-platform.c
…
asm-offsets.c
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
2017-10-08 10:14:19 +02:00
binfmt_elfn32.c
…
binfmt_elfo32.c
…
bmips_vec.S
…
branch.c
MIPS: Fix a typo: s/preset/present/ in r2-to-r6 emulation error message
2017-07-27 15:06:08 -07:00
cevt-bcm1480.c
…
cevt-ds1287.c
…
cevt-gt641xx.c
…
cevt-r4k.c
…
cevt-sb1250.c
…
cevt-txx9.c
…
cps-vec-ns16550.S
MIPS: CPS: Early debug using an ns16550-compatible UART
2015-11-11 08:34:25 +01:00
cps-vec.S
MIPS: CPS: drop .set mips64r2 directives
2015-12-22 12:16:32 +01:00
cpu-bugs64.c
…
cpu-probe.c
MIPS: Extend hardware table walking support to MIPS64
2015-11-11 08:35:54 +01:00
crash_dump.c
…
crash.c
MIPS: Fix crash registers on non-crashing CPUs
2017-05-02 21:19:49 -07:00
csrc-bcm1480.c
…
csrc-ioasic.c
…
csrc-r4k.c
MIPS: Don't register r4k sched clock when CPUFREQ enabled
2016-08-20 18:09:26 +02:00
csrc-sb1250.c
…
early_printk_8250.c
…
early_printk.c
…
elf.c
MIPS: Avoid BUG warning in arch_check_elf
2017-05-02 21:19:55 -07:00
entry.S
MIPS: Fix IRQ tracing & lockdep when rescheduling
2017-07-05 14:37:15 +02:00
ftrace.c
…
genex.S
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
2017-10-08 10:14:19 +02:00
gpio_txx9.c
…
head.S
…
i8253.c
…
idle.c
Merge branch '4.3-fixes' into mips-for-linux-next
2015-11-12 11:36:03 +01:00
irq_txx9.c
…
irq-gt641xx.c
…
irq-msc01.c
…
irq-rm7000.c
…
irq.c
MIPS: Introduce irq_stack
2017-04-18 07:14:35 +02:00
jump_label.c
…
kgdb.c
MIPS: KGDB: Use kernel context for sleeping threads
2017-05-02 21:19:55 -07:00
kprobes.c
…
linux32.c
…
machine_kexec.c
…
Makefile
MIPS: CPS: Early debug using an ns16550-compatible UART
2015-11-11 08:34:25 +01:00
mcount.S
mips: ftrace: fix static function graph tracing
2018-07-03 11:21:28 +02:00
mips_ksyms.c
MIPS: uaccess: Take EVA into account in [__]clear_user
2015-12-22 11:58:43 +01:00
mips_machine.c
…
mips-cm.c
MIPS: CM, CPC: Ensure core-other GCRs reflect the correct core
2015-11-11 08:35:18 +01:00
mips-cpc.c
MIPS: CM, CPC: Ensure core-other GCRs reflect the correct core
2015-11-11 08:35:18 +01:00
mips-mt-fpaff.c
…
mips-mt.c
…
mips-r2-to-r6-emul.c
MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
2018-03-22 09:23:25 +01:00
module-rela.c
…
module.c
…
octeon_switch.S
MIPS: Fix octeon FP context switch handling
2015-10-02 19:16:06 +02:00
perf_event_mipsxx.c
…
perf_event.c
…
pm-cps.c
MIPS: pm-cps: Drop manual cache-line alignment of ready_count
2017-07-05 14:37:15 +02:00
pm.c
MIPS: Fix watchpoint restoration
2016-06-07 18:14:30 -07:00
proc.c
MIPS: Fix MIPS I ISA /proc/cpuinfo reporting
2017-07-27 15:06:07 -07:00
process.c
MIPS: prctl: Disallow FRE without FR with PR_SET_FP_MODE requests
2018-06-06 16:46:23 +02:00
prom.c
…
ptrace32.c
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
2018-06-06 16:46:22 +02:00
ptrace.c
MIPS: ptrace: Fix PTRACE_PEEKUSR requests for 64-bit FGRs
2018-06-06 16:46:22 +02:00
r4k_fpu.S
MIPS: Use copy_s.fmt rather than copy_u.fmt
2016-06-07 18:14:31 -07:00
r4k_switch.S
MIPS: Tidy up FPU context switching
2015-09-03 12:08:05 +02:00
r2300_fpu.S
…
r2300_switch.S
MIPS: Fix R2300 FP context switch handling
2015-10-02 19:16:46 +02:00
r6000_fpu.S
…
relocate_kernel.S
…
reset.c
…
rtlx-cmp.c
…
rtlx-mt.c
…
rtlx.c
…
scall32-o32.S
MIPS: Save static registers before sysmips
2017-07-27 15:06:07 -07:00
scall64-64.S
MIPS: Save static registers before sysmips
2017-07-27 15:06:07 -07:00
scall64-n32.S
MIPS: Save static registers before sysmips
2017-07-27 15:06:07 -07:00
scall64-o32.S
MIPS: Save static registers before sysmips
2017-07-27 15:06:07 -07:00
segment.c
MIPS: Declare mips_debugfs_dir in a header
2015-10-26 09:49:42 +01:00
setup.c
MIPS: init: Ensure reserved memory regions are not added to bootmem
2017-11-21 09:21:22 +01:00
signal32.c
MIPS: Initial implementation of a VDSO
2015-11-11 08:36:36 +01:00
signal_n32.c
MIPS: Initial implementation of a VDSO
2015-11-11 08:36:36 +01:00
signal-common.h
MIPS: Save MSA extended context around signals
2015-09-03 12:07:59 +02:00
signal.c
MIPS: Fix sigreturn via VDSO on microMIPS kernel
2016-06-07 18:14:31 -07:00
smp-bmips.c
MIPS: BMIPS: Do not mask IPIs during suspend
2018-03-18 11:17:49 +01:00
smp-cmp.c
…
smp-cps.c
MIPS: CM: make use of mips_cm_{lock,unlock}_other
2015-11-11 08:35:17 +01:00
smp-gic.c
MIPS: CM: make use of mips_cm_{lock,unlock}_other
2015-11-11 08:35:17 +01:00
smp-mt.c
…
smp-up.c
…
smp.c
MIPS: SMP: Fix deadlock & online race
2017-11-15 17:13:12 +01:00
spinlock_test.c
MIPS: Declare mips_debugfs_dir in a header
2015-10-26 09:49:42 +01:00
spram.c
…
stacktrace.c
MIPS: Add LATENCYTOP support
2015-11-11 08:36:46 +01:00
sync-r4k.c
…
syscall.c
MIPS: Save static registers before sysmips
2017-07-27 15:06:07 -07:00
sysrq.c
…
time.c
…
topology.c
…
traps.c
MIPS: Avoid accidental raw backtrace
2017-07-05 14:37:15 +02:00
unaligned.c
MIPS: Fix MSA ld unaligned failure cases
2016-04-20 15:42:08 +09:00
uprobes.c
MIPS: uprobes: fix use of uninitialised variable
2016-10-07 15:23:43 +02:00
vdso.c
MIPS: vDSO: Fix Malta EVA mapping to vDSO page structs
2016-09-30 10:18:38 +02:00
vmlinux.lds.S
MIPS: Ensure bss section ends on a long-aligned address
2017-10-08 10:14:16 +02:00
vpe-cmp.c
…
vpe-mt.c
…
vpe.c
…
watch.c
MIPS: Fix watchpoint restoration
2016-06-07 18:14:30 -07:00