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05f226391d
linux_dsm_epyc7002/arch/mips
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Corey Minyard 05f226391d MIPS: Ftrace: Fix function tracing return address to match 
Dynamic function tracing was not working on MIPS.  When doing dynamic
tracing, the tracer attempts to match up the passed in address with
the one the compiler creates in the mcount tables.  The MIPS code was
passing in the return address from the tracing function call, but the
compiler tables were the address of the function call.  So they
wouldn't match.

Just subtracting 8 from the return address will give the address of
the function call.  Easy enough.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
[david.daney@cavium.com: Adjusted code comment and patch Subject.]
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/5592/
2013-09-03 14:46:27 +02:00
..
alchemy MIPS: Idle: Consolidate all declarations in <asm/idle.h>. 2013-05-22 01:34:27 +02:00
ar7 MIPS: FW: Remove obsolete header file for MTI platforms. 2013-05-08 12:30:10 +02:00
ath79 MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
bcm47xx MIPS: Set default CPU type for BCM47XX platforms 2013-07-30 18:48:50 +02:00
bcm63xx Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
boot MIPS: Boot: Compressed: Remove -fstack-protector from CFLAGS 2013-07-01 15:10:41 +02:00
cavium-octeon Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-19 15:10:01 -07:00
cobalt MIPS: Idle: Consolidate all declarations in <asm/idle.h>. 2013-05-22 01:34:27 +02:00
configs MIPS: Update cavium_octeon_defconfig 2013-07-01 15:10:55 +02:00
dec MIPS: DEC: remove unbuildable promcon.c 2013-06-18 00:31:29 +02:00
emma MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
fw MIPS: sibyte: Declare the cfe_write() buffer as constant 2013-06-21 18:07:02 +02:00
include MIPS: oprofile: Fix BUG due to smp_processor_id() in preemptible code. 2013-08-05 13:34:22 +02:00
jazz Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-03-02 07:44:16 -08:00
jz4740 MIPS: jz4740: Correct clock gate bit for DMA controller 2013-07-05 11:40:53 +05:30
kernel MIPS: Ftrace: Fix function tracing return address to match 2013-09-03 14:46:27 +02:00
kvm MIPS: kvm: Kconfig: Drop HAVE_KVM dependency from VIRTUALIZATION 2013-07-19 12:45:57 +02:00
lantiq MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
lasat mips: lasat: sysctl: Convert use of typedef ctl_table to struct ctl_table 2013-06-18 00:31:32 +02:00
lib MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
loongson Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-13 14:52:21 -07:00
loongson1 MIPS: Idle: Consolidate all declarations in <asm/idle.h>. 2013-05-22 01:34:27 +02:00
math-emu MIPS: Handle OCTEON BBIT instructions in FPU emulator. 2013-08-20 19:17:40 +02:00
mm MIPS: Fix get_user_page_fast() for mips with cache alias 2013-08-26 15:26:48 +02:00
mti-malta MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
mti-sead3 MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
netlogic Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-07-19 15:10:01 -07:00
oprofile MIPS: oprofile: Fix BUG due to smp_processor_id() in preemptible code. 2013-08-05 13:34:22 +02:00
pci MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
pmcs-msp71xx MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
pnx833x MIPS: PNX833x: PNX8335_PCI_ETHERNET_INT depends on CONFIG_SOC_PNX8335 2013-08-05 13:34:22 +02:00
power MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
powertv MIPS: powertv: Fix arguments for free_reserved_area() 2013-07-30 18:50:31 +02:00
ralink MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
rb532 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sgi-ip22 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sgi-ip27 MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
sgi-ip32 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sibyte MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
sni MIPS: SNI: pcit: Fix build error with CONFIG_PCI=n disabled. 2013-06-25 17:10:28 +02:00
txx9 net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
vr41xx MIPS: Idle: Consolidate all declarations in <asm/idle.h>. 2013-05-22 01:34:27 +02:00
Kbuild KVM/MIPS32: Infrastructure/build files. 2013-05-08 03:55:34 +02:00
Kbuild.platforms MIPS: Delete Wind River ppmc eval board support. 2013-07-01 15:10:53 +02:00
Kconfig MIPS: Set default CPU type for BCM47XX platforms 2013-07-30 18:48:50 +02:00
Kconfig.debug consolidate per-arch stack overflow debugging options 2013-07-04 11:25:39 -07:00
Makefile MIPS: initial stack protector support 2013-07-01 15:10:48 +02:00