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Zhou Yanjie 3ed14a8d2f MIPS: Ingenic: Disable broken BTB lookup optimization. 
[ Upstream commit 053951dda7 ]

In order to further reduce power consumption, the XBurst core
by default attempts to avoid branch target buffer lookups by
detecting & special casing loops. This feature will cause
BogoMIPS and lpj calculate in error. Set cp0 config7 bit 4 to
disable this feature.

Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: ralf@linux-mips.org
Cc: paul@crapouillou.net
Cc: jhogan@kernel.org
Cc: malat@debian.org
Cc: gregkh@linuxfoundation.org
Cc: tglx@linutronix.de
Cc: allison@lohutok.net
Cc: syq@debian.org
Cc: chenhc@lemote.com
Cc: jiaxun.yang@flygoat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-10-07 18:57:06 +02:00
..
.gitignore
…
8250-platform.c
…
asm-offsets.c
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
binfmt_elfn32.c
…
binfmt_elfo32.c
…
bmips_5xxx_init.S
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bmips_vec.S
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branch.c
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cacheinfo.c
mips: fix cacheinfo
2019-08-29 08:28:27 +02:00
cevt-bcm1480.c
…
cevt-ds1287.c
…
cevt-gt641xx.c
…
cevt-r4k.c
…
cevt-sb1250.c
…
cevt-txx9.c
…
cmpxchg.c
MIPS: fix truncation in __cmpxchg_small for short values
2019-03-05 17:58:53 +01:00
cps-vec-ns16550.S
…
cps-vec.S
…
cpu-bugs64.c
…
cpu-probe.c
MIPS: Ingenic: Disable broken BTB lookup optimization.
2019-10-07 18:57:06 +02:00
crash_dump.c
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crash.c
MIPS: kexec: Mark CPU offline before disabling local IRQ
2018-11-21 09:19:10 +01:00
csrc-bcm1480.c
…
csrc-ioasic.c
…
csrc-r4k.c
…
csrc-sb1250.c
…
early_printk_8250.c
mips: unify prom_putchar() declarations
2018-07-17 09:40:17 -07:00
early_printk.c
mips: unify prom_putchar() declarations
2018-07-17 09:40:17 -07:00
elf.c
…
entry.S
MIPS: Add syscall detection for restartable sequences
2018-06-19 21:13:56 -07:00
ftrace.c
MIPS: function_graph: Simplify with function_graph_enter()
2018-12-05 19:32:10 +01:00
genex.S
MIPS: Fix ejtag handler on SMP
2018-06-24 09:27:27 -07:00
gpio_txx9.c
…
head.S
…
i8253.c
MIPS: kernel: only use i8253 clocksource with periodic clockevent
2019-08-29 08:28:27 +02:00
idle.c
MIPS: Annotate cpu_wait implementations with __cpuidle
2018-06-28 14:18:54 -07:00
irq_txx9.c
…
irq-gt641xx.c
…
irq-msc01.c
…
irq-rm7000.c
…
irq.c
MIPS: irq: Allocate accurate order pages for irq stack
2019-03-10 07:17:20 +01:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-06-04 08:02:34 +02:00
kgdb.c
MIPS: KGDB: fix kgdb support for SMP platforms.
2019-05-10 17:54:07 +02:00
kprobes.c
bpf/error-inject/kprobes: Clear current_kprobe and enable preempt in kprobe
2018-06-21 12:33:19 +02:00
linux32.c
MIPS: Delete unused code in linux32.c
2018-08-01 13:20:27 -07:00
machine_kexec.c
MIPS: kexec: Mark CPU offline before disabling local IRQ
2018-11-21 09:19:10 +01:00
Makefile
…
mcount.S
mips: ftrace: fix static function graph tracing
2018-06-19 15:00:12 -07:00
mips_machine.c
…
mips-cm.c
mips: cm: reprime error cause
2019-02-15 08:10:11 +01:00
mips-cpc.c
…
mips-mt-fpaff.c
…
mips-mt.c
…
mips-r2-to-r6-emul.c
…
module.c
…
octeon_switch.S
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
perf_event_mipsxx.c
MIPS: perf: Fix build with CONFIG_CPU_BMIPS5000 enabled
2019-05-25 18:23:33 +02:00
perf_event.c
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pm-cps.c
MIPS: pm-cps: Block system suspend when a JTAG probe is present
2018-03-09 13:53:26 +00:00
pm.c
…
probes-common.h
…
proc.c
…
process.c
MIPS: Remove function size check in get_frame_info()
2019-03-13 14:02:37 -07:00
prom.c
mips: Make sure dt memory regions are valid
2019-06-15 11:54:05 +02:00
ptrace32.c
MIPS: Correct the 64-bit DSP accumulator register size
2018-07-19 13:47:21 -07:00
ptrace.c
MIPS: Add FP_MODE regset support
2018-07-19 13:58:44 -07:00
r4k_fpu.S
…
r4k_switch.S
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
r2300_fpu.S
…
r2300_switch.S
Kbuild: rename CC_STACKPROTECTOR[_STRONG] config variables
2018-06-14 12:21:18 +09:00
relocate_kernel.S
MIPS: kexec: fix typos
2018-06-24 09:26:01 -07:00
relocate.c
…
reset.c
MIPS: Hang more efficiently on halt/powerdown/restart
2018-03-09 11:22:43 +00:00
rtlx-cmp.c
…
rtlx-mt.c
…
rtlx.c
…
scall32-o32.S
MIPS: Wire up io_pgetevents syscall
2018-06-19 21:14:29 -07:00
scall64-64.S
MIPS: Wire up io_pgetevents syscall
2018-06-19 21:14:29 -07:00
scall64-n32.S
MIPS: Wire up io_pgetevents syscall
2018-06-19 21:14:29 -07:00
scall64-o32.S
MIPS: scall64-o32: Fix indirect syscall number load
2019-05-02 09:58:53 +02:00
segment.c
…
setup.c
MIPS: Fix CONFIG_CMDLINE handling
2018-09-28 12:09:04 -07:00
signal32.c
compat: Move compat_timespec/ timeval to compat_time.h
2018-04-19 13:29:54 +02:00
signal_n32.c
MIPS: Remove nabi_no_regargs
2018-08-01 13:20:15 -07:00
signal_o32.c
MIPS: Remove nabi_no_regargs
2018-08-01 13:20:15 -07:00
signal-common.h
…
signal.c
Merge tag 'mips_4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2018-08-13 19:24:32 -07:00
smp-bmips.c
MIPS: BMIPS: Do not mask IPIs during suspend
2018-03-05 23:35:04 +00:00
smp-cmp.c
…
smp-cps.c
…
smp-mt.c
…
smp-up.c
…
smp.c
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spinlock_test.c
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spram.c
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stacktrace.c
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sync-r4k.c
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syscall.c
mm: add ksys_mmap_pgoff() helper; remove in-kernel calls to sys_mmap_pgoff()
2018-04-02 20:16:11 +02:00
sysrq.c
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time.c
MIPS: Convert update_persistent_clock() to update_persistent_clock64()
2018-05-14 23:58:23 +01:00
topology.c
…
traps.c
Merge tag 'mips_4.19_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2018-08-23 14:23:08 -07:00
unaligned.c
…
uprobes.c
MIPS: uprobes: remove set but not used variable 'epc'
2019-06-25 11:35:56 +08:00
vdso.c
MIPS: math-emu: Write-protect delay slot emulation pages
2019-01-09 17:38:47 +01:00
vmlinux.lds.S
MIPS: Ensure ELF appended dtb is relocated
2019-03-27 14:14:39 +09:00
vpe-cmp.c
…
vpe-mt.c
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vpe.c
MIPS: VPE: Fix spelling mistake: "uneeded" -> "unneeded"
2018-05-14 23:58:23 +01:00
watch.c
…