lisa/android_kernel_xiaomi_sm8350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
2bbb6817c0
android_kernel_xiaomi_sm8350/arch/sparc/kernel
History
Frederic Weisbecker 2bbb6817c0 nohz: Allow rcu extended quiescent state handling seperately from tick stop 
It is assumed that rcu won't be used once we switch to tickless
mode and until we restart the tick. However this is not always
true, as in x86-64 where we dereference the idle notifiers after
the tick is stopped.

To prepare for fixing this, add two new APIs:
tick_nohz_idle_enter_norcu() and tick_nohz_idle_exit_norcu().

If no use of RCU is made in the idle loop between
tick_nohz_enter_idle() and tick_nohz_exit_idle() calls, the arch
must instead call the new *_norcu() version such that the arch doesn't
need to call rcu_idle_enter() and rcu_idle_exit().

Otherwise the arch must call tick_nohz_enter_idle() and
tick_nohz_exit_idle() and also call explicitly:

- rcu_idle_enter() after its last use of RCU before the CPU is put
to sleep.
- rcu_idle_exit() before the first use of RCU after the CPU is woken
up.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: David Miller <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2011-12-11 10:31:36 -08:00
..
.gitignore
apc.c sparc: Add module.h to files previously implicitly using it. 2011-10-31 19:30:54 -04:00
asm-offsets.c
audit.c
auxio_32.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
auxio_64.c sparc64: Fix section mis-match errors. 2011-03-30 17:37:56 -07:00
btext.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
central.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
cherrs.S
chmc.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
compat_audit.c
cpu.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
cpumap.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
cpumap.h
devices.c sparc32: always register a PROM based early console 2011-04-21 15:47:35 -07:00
dma.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
ds.c sparc: Don't do hypervisor calls on non-sun4v in DS driver. 2011-08-11 17:58:59 -07:00
dtlb_miss.S
dtlb_prot.S
ebus.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
entry.h sparc64: Patch sun4v code sequences properly on module load. 2011-11-17 22:44:58 -08:00
entry.S sparc: sun4m SMP: fix wrong shift instruction in IPI handler 2011-07-16 10:45:12 -07:00
etrap_32.S
etrap_64.S
fpu_traps.S
ftrace.c
getsetcc.S
head_32.S sparc32,leon: operate on boot-cpu IRQ controller registers 2011-04-21 16:44:45 -07:00
head_64.S sparc64: Future proof Niagara cpu detection. 2011-09-16 14:21:33 -07:00
helpers.S
hvapi.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
hvcalls.S sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
hvtramp.S
idprom.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
init_task.c Fix common misspellings 2011-03-31 11:26:23 -03:00
iommu_common.h
iommu.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
ioport.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k 2011-07-31 14:30:59 -10:00
irq_32.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
irq_64.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
irq.h sparc32,sun4d: Change IPI IRQ level to prevent collision between IPI and timer interrupt 2011-08-29 09:20:40 -07:00
itlb_miss.S
ivec.S
jump_label.c sparc/jump_label: drop arch_jump_label_text_poke_early() 2011-10-25 11:54:26 -07:00
kernel.h sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
kgdb_32.c
kgdb_64.c
kprobes.c
kstack.h
ktlb.S sparc: Access kernel TSB using physical addressing when possible. 2011-08-05 00:53:57 -07:00
ldc.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
led.c
leon_kernel.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
leon_pci_grpci2.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
leon_pci.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
leon_pmc.c SPARC/LEON: power down instruction different of different LEONs 2011-03-16 18:19:04 -07:00
leon_smp.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
Makefile sparc: Allow handling signals when stack is corrupted. 2011-08-20 17:14:54 -07:00
mdesc.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
misctrap.S
module.c sparc64: Patch sun4v code sequences properly on module load. 2011-11-17 22:44:58 -08:00
muldiv.c
nmi.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
of_device_32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
of_device_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
of_device_common.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
of_device_common.h
pci_common.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
pci_fire.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_impl.h sparc64: rename virt_irq => irq - II 2011-03-16 18:19:03 -07:00
pci_msi.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
pci_psycho.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_sabre.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_schizo.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_sun4v_asm.S
pci_sun4v.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pci_sun4v.h
pci.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
pcic.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
pcr.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
perf_event.c sparc: Detect and handle UltraSPARC-T3 cpu types. 2011-07-27 22:10:10 -07:00
pmc.c sparc: Add module.h to files previously implicitly using it. 2011-10-31 19:30:54 -04:00
power.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
process_32.c sparc, exec: remove redundant addr_limit assignment 2011-09-20 23:12:42 -07:00
process_64.c nohz: Allow rcu extended quiescent state handling seperately from tick stop 2011-12-11 10:31:36 -08:00
prom_32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
prom_64.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
prom_common.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
prom_irqtrans.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
prom.h
psycho_common.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
psycho_common.h
ptrace_32.c
ptrace_64.c sparc64: Fix build errors with gcc-4.6.0 2011-03-16 18:19:15 -07:00
reboot.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
rtrap_32.S
rtrap_64.S
sbus.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
setup_32.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
setup_64.c sparc64: Patch sun4v code sequences properly on module load. 2011-11-17 22:44:58 -08:00
signal32.c sparc: Stash orig_i0 into %g6 instead of %g2 2011-11-15 12:57:00 -08:00
signal_32.c sparc: Stash orig_i0 into %g6 instead of %g2 2011-11-15 12:57:00 -08:00
signal_64.c sparc: Stash orig_i0 into %g6 instead of %g2 2011-11-15 12:57:00 -08:00
sigutil_32.c sparc: Allow handling signals when stack is corrupted. 2011-08-20 17:14:54 -07:00
sigutil_64.c sparc: sigutil: Include <linux/errno.h> 2011-11-13 20:53:25 -08:00
sigutil.h sparc: Allow handling signals when stack is corrupted. 2011-08-20 17:14:54 -07:00
smp_32.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
smp_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
sparc_ksyms_32.c
sparc_ksyms_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
spiterrs.S
sstate.c sparc: Set reboot-cmd using reboot data hypervisor call if available. 2011-08-02 21:28:52 -07:00
stacktrace.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
starfire.c
sun4c_irq.c sparc32: genirq support 2011-04-19 22:11:40 -07:00
sun4d_irq.c Add support for allocating irqs for bootbus devices 2011-06-07 16:06:33 -07:00
sun4d_smp.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
sun4m_irq.c sparc32: genirq support 2011-04-19 22:11:40 -07:00
sun4m_smp.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
sun4v_ivec.S
sun4v_tlb_miss.S
sys32.S All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
sys_sparc32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
sys_sparc_32.c
sys_sparc_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
syscalls.S
sysfs.c sparc: convert old cpumask API into new one 2011-05-16 13:38:07 -07:00
systbls_32.S sparc: Hook up process_vm_{readv,writev} syscalls. 2011-11-01 00:51:30 -07:00
systbls_64.S sparc: Hook up process_vm_{readv,writev} syscalls. 2011-11-01 00:51:30 -07:00
systbls.h
tadpole.c
time_32.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6 2011-05-20 12:59:54 -07:00
time_64.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
trampoline_32.S
trampoline_64.S
traps_32.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
traps_64.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
tsb.S
ttable.S
una_asm_32.S
una_asm_64.S sparc: Fix .size directive for do_int_load 2011-03-16 18:19:15 -07:00
unaligned_32.c sparc: remove several unnecessary module.h include instances 2011-10-31 19:30:54 -04:00
unaligned_64.c sparc: Use hweight64() in popc emulation. 2011-08-02 21:28:50 -07:00
us2e_cpufreq.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
us3_cpufreq.c sparc: Remove unnecessary semicolons 2011-06-07 16:06:34 -07:00
utrap.S
vio.c sparc: add export.h to arch/sparc files as required 2011-10-31 19:30:52 -04:00
viohs.c sparc: move symbol exporters to use export.h not module.h 2011-10-31 19:30:53 -04:00
visemul.c sparc64: Fix masking and shifting in VIS fpcmp emulation. 2011-10-31 01:05:49 -07:00
vmlinux.lds.S sparc: Access kernel TSB using physical addressing when possible. 2011-08-05 00:53:57 -07:00
windows.c
winfixup.S
wof.S
wuf.S