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Peter Zijlstra f25a5ec582 irq_work: Introduce arch_irq_work_has_interrupt() 
commit c5c38ef3d7 upstream.

The nohz full code needs irq work to trigger its own interrupt so that
the subsystem can work even when the tick is stopped.

Lets introduce arch_irq_work_has_interrupt() that archs can override to
tell about their support for this ability.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
 		2020-10-14 00:59:25 +03:00
..
dec DEC: Whitespace cleanup 2013-10-29 21:24:44 +01:00
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
ip32 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
lasat MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-ar7 Revert "MIPS: make CAC_ADDR and UNCAC_ADDR account for PHYS_OFFSET" 2013-07-01 15:10:58 +02:00
mach-ath79 mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
mach-au1x00 MIPS: Cleanup CP0 PRId and CP1 FPIR register access masks 2013-09-18 20:25:19 +02:00
mach-bcm47xx MIPS: BCM47XX: add board detection for Linksys WRT54GS V1 2014-01-24 22:39:53 +01:00
mach-bcm63xx MIPS: BCM63XX: use linux/serial_bcm63xx.h 2014-01-23 13:02:36 +01:00
mach-cavium-octeon MIPS: Remove unnecessary platform dma helper functions 2013-10-29 21:24:40 +01:00
mach-cobalt MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-db1x00 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-dec MIPS: DECstation CPU feature overrides 2013-10-29 21:24:46 +01:00
mach-emma2rh MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-generic mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
mach-ip22 MIPS: Optimize current_cpu_type() for better code. 2013-09-17 18:50:53 +02:00
mach-ip27 MIPS: Remove unnecessary platform dma helper functions 2013-10-29 21:24:40 +01:00
mach-ip28 MIPS: Optimize current_cpu_type() for better code. 2013-09-17 18:50:53 +02:00
mach-ip32 MIPS: Remove unnecessary platform dma helper functions 2013-10-29 21:24:40 +01:00
mach-jazz mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
mach-jz4740 MIPS: jz4740: update platform data for JZ4740 usb device controller 2014-01-24 22:39:46 +01:00
mach-lantiq MIPS: Lantiq: Falcon: add cpu-feature-override.h 2013-09-03 23:22:16 +02:00
mach-lasat MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-loongson MIPS: Remove unnecessary platform dma helper functions 2013-10-29 21:24:40 +01:00
mach-loongson1 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-malta MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-netlogic MIPS: Netlogic: Add cpu to node mapping for XLP9XX 2014-01-24 22:39:49 +01:00
mach-pmcs-msp71xx MIPS: MSP71xx: Remove gpio drivers 2013-06-18 00:31:31 +02:00
mach-pnx833x MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-ralink MIPS: ralink: mt7620: Add cpu-feature-override header 2013-09-04 16:58:31 +02:00
mach-rc32434 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-rm MIPS: PMC-Sierra Yosemite: Remove support. 2012-12-13 18:15:30 +01:00
mach-sead3 MIPS: microMIPS: Disable LL/SC and fix linker bug. 2013-05-09 17:55:19 +02:00
mach-sibyte MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mach-tx39xx MIPS: PMC-Sierra Yosemite: Remove support. 2012-12-13 18:15:30 +01:00
mach-tx49xx MIPS: PMC-Sierra Yosemite: Remove support. 2012-12-13 18:15:30 +01:00
mach-vr41xx MIPS: PMC-Sierra Yosemite: Remove support. 2012-12-13 18:15:30 +01:00
mips-boards MIPS: Malta: mux & enable SERIRQ interrupt 2014-01-23 13:02:35 +01:00
netlogic MIPS: Netlogic: Remove XLR early serial setup 2014-01-24 22:39:50 +01:00
octeon MIPS: OCTEON: Supply OCTEON+ USB nodes in internal device trees. 2014-01-23 13:02:35 +01:00
pci MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sgi MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sibyte MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sn MIPS: IP27: Remove pfn_t. 2013-05-08 03:51:58 +02:00
txx9 MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
vr41xx MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
xtalk MIPS: IP27: Fix build errors with CONFIG_PCI disabled. 2013-06-21 18:07:00 +02:00
Kbuild irq_work: Introduce arch_irq_work_has_interrupt() 2020-10-14 00:59:25 +03:00
abi.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
addrspace.h MIPS: Random whitespace clean-ups 2013-11-04 18:19:20 +01:00
amon.h MIPS: APRP: Code formatting clean-ups. 2014-01-22 20:19:02 +01:00
arch_hweight.h MIPS: Create and use asm/arch_hweight.h 2010-08-05 13:26:02 +01:00
asm-offsets.h kbuild: move asm-offsets.h to include/generated 2009-12-12 13:08:14 +01:00
asm.h MIPS: microMIPS: Optimise 'memset' core library function. 2013-05-09 17:55:19 +02:00
asmmacro-32.h MIPS: Support for 64-bit FP with O32 binaries 2014-01-13 23:40:56 +01:00
asmmacro-64.h MIPS: Support for 64-bit FP with O32 binaries 2014-01-13 23:40:56 +01:00
asmmacro.h MIPS: Make local_irq_disable macro safe for non-Mipsr2 2014-03-20 13:46:15 +01:00
atomic.h MIPS: Random whitespace clean-ups 2013-11-04 18:19:20 +01:00
barrier.h arch: Introduce smp_load_acquire(), smp_store_release() 2014-01-12 10:37:17 +01:00
bcache.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
bitops.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
bmips.h MIPS: BMIPS: add a smp ops registration helper 2014-01-22 20:18:52 +01:00
bootinfo.h MIPS: add detect_memory_region() 2013-05-08 01:19:11 +02:00
branch.h MIPS: MIPS16e: Support handling of delay slots. 2013-05-09 17:55:20 +02:00
break.h MIPS: Quit exporting kernel internel break codes to uapi/asm/break.h 2013-02-20 18:24:24 +01:00
bug.h MIPS: Convert BUG() to use unreachable() 2009-12-05 09:10:12 -08:00
bugs.h
…
cache.h MIPS: Rename .data..mostly and properly handle it in linker script 2011-05-10 18:15:24 +01:00
cacheflush.h MIPS: cache: Provide cache flush operations for XFS 2011-10-20 15:00:18 +01:00
cacheops.h MIPS: fix case mismatch in local_r4k_flush_icache_range() 2014-01-15 14:19:42 +07:00
cevt-r4k.h MIPS: MSP: Fix build error 2011-05-10 18:15:24 +01:00
checksum.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
clkdev.h clk: Add common __clk_get(), __clk_put() implementations 2013-12-04 17:19:44 +01:00
clock.h MIPS: clock.h: Remove declaration of cpu_wait. 2013-05-22 01:34:25 +02:00
cmp.h
…
cmpxchg.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
compat-signal.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
compat.h Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2013-03-02 07:44:16 -08:00
compiler.h
…
cop2.h MIPS: Netlogic: COP2 save/restore code 2013-06-13 17:46:41 +02:00
cpu-features.h MIPS: features: Add initial support for Segmentation Control registers 2014-01-22 20:18:58 +01:00
cpu-info.h MIPS: Add support for FTLBs 2014-01-22 20:19:00 +01:00
cpu-type.h MIPS: Add support for interAptiv cores 2014-01-22 20:19:01 +01:00
cpu.h MIPS: Netlogic: Identify XLP 9XX chip 2014-01-24 22:39:48 +01:00
debug.h
…
delay.h MIPS: Make __{,n,u}delay declarations match definitions and generic delay.h 2012-10-16 22:20:03 +02:00
device.h MIPS: Convert DMA to use dma-mapping-common.h 2010-10-29 19:08:31 +01:00
div64.h
…
dma-coherence.h MIPS: improve checks for noncoherent DMA 2014-01-22 20:43:10 +01:00
dma-mapping.h MIPS: Add option to disable software I/O coherency. 2013-05-01 16:32:49 -05:00
dma.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
ds1287.h
…
dsp.h MIPS: DSP: Fix DSP mask for registers. 2013-01-24 13:20:09 +01:00
edac.h
…
elf.h MIPS: Support for 64-bit FP with O32 binaries 2014-01-13 23:40:56 +01:00
errno.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
exec.h Disintegrate asm/system.h for MIPS 2012-03-28 18:30:02 +01:00
fb.h
…
fixmap.h mips: use generic fixmap.h 2014-01-23 16:36:54 -08:00
floppy.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
fpregdef.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
fpu.h MIPS: Replace CONFIG_MIPS64 and CONFIG_MIPS32_R2 2014-03-14 17:49:16 +01:00
fpu_emulator.h MIPS: microMIPS: Floating point support. 2013-05-09 17:55:18 +02:00
ftrace.h MIPS: ftrace: Fix a microMIPS build problem 2014-11-14 08:59:57 -08:00
futex.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
gcmpregs.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
gic.h MIPS: Fix typos and cleanup comment 2013-07-01 15:10:57 +02:00
gio_device.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
gpio.h
…
gt64120.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
hardirq.h
…
hazards.h MIPS: Get rid of the use of .macro in C code. 2013-04-11 15:39:51 +02:00
highmem.h mips: delete non-required instances of include <linux/init.h> 2014-01-24 22:39:56 +01:00
hugetlb.h mm/hugetlb: add more arch-defined huge_pte functions 2013-04-29 15:54:33 -07:00
hw_irq.h atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
i8259.h MIPS: i8259: Convert IRQ controller lock to raw spinlock. 2010-02-27 12:53:38 +01:00
ide.h
…
idle.h MIPS: Idle: Break r4k_wait into two functions and fix it. 2013-05-22 01:34:28 +02:00
inst.h MIPS: MIPS16e: Support handling of delay slots. 2013-05-09 17:55:20 +02:00
io.h MIPS: define write{b,w,l,q}_relaxed 2013-07-01 15:10:59 +02:00
irq.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
irq_cpu.h MIPS: add irqdomain support for the CPU IRQ controller 2013-02-17 01:25:34 +01:00
irq_gt641xx.h
…
irq_regs.h
…
irqflags.h MIPS: Get rid of the use of .macro in C code. 2013-04-11 15:39:51 +02:00
isadep.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
jazz.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
jazzdma.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
jump_label.h compiler/gcc4: Add quirk for 'asm goto' miscompilation bug 2013-10-11 07:39:14 +02:00
kdebug.h MIPS: kprobe: Add support. 2010-08-05 13:26:29 +01:00
kexec.h MIPS: kdump: Add support 2012-12-13 16:46:47 +01:00
kgdb.h kgdb,mips: Individual register get/set for mips 2010-08-05 09:22:21 -05:00
kmap_types.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
kprobes.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
kvm_host.h MIPS: KVM: remove shadow_tlb code 2014-01-24 22:39:56 +01:00
linkage.h consolidate cond_syscall and SYSCALL_ALIAS declarations 2013-03-03 22:55:19 -05:00
local.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
m48t37.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mc146818-time.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mc146818rtc.h
…
mips_machine.h MIPS: move mips_{set,get}_machine_name() to a more generic place 2013-05-08 01:19:07 +02:00
mips_mt.h
…
mipsmtregs.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
mipsprom.h MIPS: SNI: Fix conflicting wrapper symbols for headers. 2011-10-20 15:00:18 +01:00
mipsregs.h MIPS: include linux/types.h 2014-01-23 13:02:37 +01:00
mmu.h MIPS: Preliminary VDSO 2010-04-12 17:26:14 +01:00
mmu_context.h MIPS: mm: Use scratch for PGD when !CONFIG_MIPS_PGD_C0_CONTEXT 2013-10-29 21:24:51 +01:00
mmzone.h
…
module.h MIPS: PMC-Sierra Yosemite: Remove support. 2012-12-13 18:15:30 +01:00
msc01_ic.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
nile4.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
paccess.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
page.h MIPS: Add support for FTLBs 2014-01-22 20:19:00 +01:00
pci.h MIPS: PCI: Use pci_resource_to_user to map pci memory space properly 2013-09-19 00:48:48 +02:00
perf_event.h MIPS, Perf-events: Work with irq_work 2011-03-14 21:07:26 +01:00
pgalloc.h mips: handle pgtable_page_ctor() fail 2013-11-15 09:32:18 +09:00
pgtable-32.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
pgtable-64.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
pgtable-bits.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
pgtable.h consolidate io_remap_pfn_range definitions 2013-06-29 12:46:35 +04:00
pmon.h
…
prefetch.h
…
processor.h MIPS: Cleanup indentation and whitespace 2013-07-01 15:10:57 +02:00
prom.h of: implement pci_address_to_pio as weak function 2013-10-09 20:04:06 -05:00
ptrace.h MIPS: O32/32-bit: Fix bug which can cause incorrect system call restarts 2014-09-17 09:19:14 -07:00
r4k-timer.h MIPS: Synchronize MIPS count one CPU at a time 2012-08-17 10:57:28 +02:00
r4kcache.h MIPS: fix blast_icache32 on loongson2 2014-01-15 14:19:42 +07:00
reboot.h
…
reg.h MIPS: asm/reg.h: Make 32- and 64-bit definitions available at the same time 2014-09-17 09:19:15 -07:00
regdef.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
rm9k-ocd.h
…
rtlx.h MIPS: APRP: Code formatting clean-ups. 2014-01-22 20:19:02 +01:00
seccomp.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
setup.h MIPS: Add 8250/16550 serial early printk driver 2013-10-29 21:24:36 +01:00
sgialib.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sgiarcs.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
shmparam.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
sigcontext.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
siginfo.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
signal.h Fix breakage in MIPS siginfo handling 2013-03-19 19:15:52 +01:00
sim.h mips: switch to generic sys_fork() and sys_clone() 2013-02-03 18:33:02 -05:00
smp-ops.h MIPS: ARC: Fix build of firmware library on uniprocessor. 2011-07-20 23:12:11 +01:00
smp.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
smtc.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
smtc_ipi.h MIPS: SMTC: Avoid queing multiple reschedule IPIs 2009-11-02 12:00:06 +01:00
smtc_proc.h
…
sni.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
socket.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
sparsemem.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
spinlock.h MIPS: Remove redundant instructions from arch_spin_{,try}lock. 2013-04-26 17:18:24 +02:00
spinlock_types.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
spram.h MIPS: SPRAM: Clean up support code a little 2009-11-02 12:00:05 +01:00
stackframe.h MIPS: Move definition of SMP processor id register to header file 2013-10-29 21:23:51 +01:00
stackprotector.h MIPS: initial stack protector support 2013-07-01 15:10:48 +02:00
stacktrace.h MIPS: Add new unwind_stack variant 2011-06-15 14:35:33 +02:00
string.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
switch_to.h MIPS: clean up resume declaration 2014-01-24 22:39:45 +01:00
syscall.h MIPS: Fix syscall tracing interface 2014-03-17 15:38:38 +01:00
termios.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
thread_info.h MIPS: asm: thread_info: Add _TIF_SECCOMP flag 2014-06-16 13:40:32 -07:00
time.h MIPS: Always register R4K clock when selected 2013-10-29 21:25:26 +01:00
timex.h MIPS: Reimplement get_cycles(). 2013-09-18 16:31:49 +02:00
tlb.h MIPS: tlb: Set the EHINV bit for TLBINVF cores when invalidating the TLB 2014-01-22 20:18:59 +01:00
tlbdebug.h
…
tlbflush.h
…
tlbmisc.h MIPS: Fix Jazz 64-bit build error. 2011-12-07 22:01:45 +00:00
topology.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
traps.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
txx9irq.h
…
txx9pio.h
…
txx9tmr.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
types.h UAPI: (Scripted) Disintegrate arch/mips/include/asm 2012-10-09 09:47:14 +01:00
uaccess.h Merge branch 'mti-next' of git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next 2013-05-09 17:57:30 +02:00
uasm.h MIPS: Delete __cpuinit/__CPUINIT usage from MIPS code 2013-07-14 19:36:51 -04:00
unaligned.h MIPS: Avoid spurious make includecheck message 2009-09-30 21:47:02 +02:00
unistd.h MIPS: ftrace: Add support for syscall tracepoints. 2013-10-29 21:25:16 +01:00
user.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
vdso.h MIPS: Preliminary VDSO 2010-04-12 17:26:14 +01:00
vga.h MIPS: Fix VGA_MAP_MEM macro. 2013-09-18 17:13:58 +02:00
vpe.h Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-01-30 17:20:32 -08:00
war.h MIPS: Whitespace cleanup. 2013-02-01 10:00:22 +01:00
watch.h
…
wbflush.h
…