OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/17/2022 06:42:15 AM	rwxr-xr-x
📄 Kbuild	224 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acenv.h	1.27 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 acpi-ext.h	590 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acpi.h	4.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 agp.h	857 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-prototypes.h	890 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asmmacro.h	3.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic.h	9.47 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 barrier.h	2.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitops.h	10.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	404 bytes	11/01/2022 04:52:05 PM	rw-r--r--
📄 bugs.h	436 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cacheflush.h	1.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	2.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 clocksource.h	276 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu.h	456 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputime.h	855 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 current.h	418 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cyclone.h	442 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 delay.h	1.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 device.h	323 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 div64.h	31 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma.h	466 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dmi.h	343 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 early_ioremap.h	428 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 elf.h	9.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 emergency-restart.h	149 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 esi.h	887 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 exception.h	1.13 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 export.h	115 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	330 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	569 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fpswa.h	1.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	748 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 futex.h	2.56 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 gcc_intrin.h	368 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hardirq.h	564 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hpsim.h	364 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 hugetlb.h	1.67 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_irq.h	6.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 idle.h	200 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 intrinsics.h	306 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 io.h	11.77 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 iommu.h	555 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 iommu_table.h	175 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 iosapic.h	3.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq.h	1.02 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_regs.h	34 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_remapping.h	142 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	2.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kdebug.h	1.64 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	1.57 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kmap_types.h	260 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	3.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kregs.h	6.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 libata-portmap.h	225 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 linkage.h	398 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 local.h	31 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 local64.h	33 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec.h	12.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_dig.h	449 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_dig_vtd.h	558 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_hpsim.h	544 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_hpzx1.h	544 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_hpzx1_swiotlb.h	632 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_init.h	1.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_sn2.h	4.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 machvec_uv.h	684 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mca.h	5.91 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mca_asm.h	7.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 meminit.h	2.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mman.h	432 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu.h	374 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmu_context.h	5.29 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 mmzone.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	1.1 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 msidef.h	1.4 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 native	-	11/17/2022 06:42:19 AM	rwxr-xr-x
📄 nodedata.h	1.85 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 numa.h	2.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	6.49 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pal.h	53.39 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 param.h	439 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 parport.h	534 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 patch.h	1.19 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	2.83 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 percpu.h	1.32 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 perfmon.h	4.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	2.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	20.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 processor.h	17.98 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 ptrace.h	5.2 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 rwsem.h	3.82 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sal.h	26.51 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	1.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 segment.h	162 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 serial.h	446 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 shmparam.h	445 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal.h	749 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp.h	3.21 KB	01/28/2018 09:20:33 PM	rw-r--r--
📁 sn	-	11/17/2022 06:42:20 AM	rwxr-xr-x
📄 sparsemem.h	621 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	6.92 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock_types.h	475 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	659 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 swiotlb.h	344 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 switch_to.h	2.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.06 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 termios.h	1.88 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	4.66 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 timex.h	1.47 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 tlb.h	8.42 KB	11/01/2022 04:52:05 PM	rw-r--r--
📄 tlbflush.h	2.33 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 topology.h	1.58 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 types.h	828 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uaccess.h	9.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unaligned.h	337 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 uncached.h	463 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unwind.h	5.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 user.h	2.25 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ustack.h	403 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📁 uv	-	11/17/2022 06:42:20 AM	rwxr-xr-x
📄 vga.h	657 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 xor.h	1.12 KB	01/28/2018 09:20:33 PM	rw-r--r--

Name

Size

Modified

Perms

📁 ..

11/17/2022 06:42:15 AM

rwxr-xr-x

📄 Kbuild

224 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 acenv.h

1.27 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 acpi-ext.h

590 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 acpi.h

4.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 agp.h

857 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 asm-offsets.h

35 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 asm-prototypes.h

890 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 asmmacro.h

3.29 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 atomic.h

9.47 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 barrier.h

2.36 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 bitops.h

10.84 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 bug.h

404 bytes

11/01/2022 04:52:05 PM

rw-r--r--

📄 bugs.h

436 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cache.h

771 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cacheflush.h

1.71 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 checksum.h

2.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 clocksource.h

276 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cpu.h

456 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cputime.h

855 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 current.h

418 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cyclone.h

442 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 delay.h

1.7 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 device.h

323 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 div64.h

31 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 dma-mapping.h

1.17 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 dma.h

466 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 dmi.h

343 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 early_ioremap.h

428 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 elf.h

9.83 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 emergency-restart.h

149 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 esi.h

887 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 exception.h

1.13 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 export.h

115 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 extable.h

330 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 fb.h

569 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 fpswa.h

1.88 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 ftrace.h

748 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 futex.h

2.56 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 gcc_intrin.h

368 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 hardirq.h

564 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 hpsim.h

364 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 hugetlb.h

1.67 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hw_irq.h

6.33 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 idle.h

200 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 intrinsics.h

306 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 io.h

11.77 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 iommu.h

555 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 iommu_table.h

175 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 iosapic.h

3.16 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 irq.h

1.02 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 irq_regs.h

34 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 irq_remapping.h

142 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 irqflags.h

2.11 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kdebug.h

1.64 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kexec.h

1.57 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kmap_types.h

260 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 kprobes.h

3.82 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kregs.h

6.73 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 libata-portmap.h

225 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 linkage.h

398 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 local.h

31 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 local64.h

33 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec.h

12.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_dig.h

449 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_dig_vtd.h

558 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_hpsim.h

544 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_hpzx1.h

544 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_hpzx1_swiotlb.h

632 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_init.h

1.33 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_sn2.h

4.71 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 machvec_uv.h

684 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 mca.h

5.91 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 mca_asm.h

7.18 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 meminit.h

2.24 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 mman.h

432 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 mmu.h

374 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 mmu_context.h

5.29 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 mmzone.h

1.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 module.h

1.1 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 msidef.h

1.4 KB

01/28/2018 09:20:33 PM

rw-r--r--

📁 native

11/17/2022 06:42:19 AM

rwxr-xr-x

📄 nodedata.h

1.85 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 numa.h

2.18 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 page.h

6.49 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pal.h

53.39 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 param.h

439 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 parport.h

534 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 patch.h

1.19 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pci.h

2.83 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 percpu.h

1.32 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 perfmon.h

4.33 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pgalloc.h

2.84 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 pgtable.h

20.92 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 processor.h

17.98 KB

11/01/2022 04:52:05 PM

rw-r--r--

📄 ptrace.h

5.2 KB

11/01/2022 04:52:05 PM

rw-r--r--

📄 rwsem.h

3.82 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 sal.h

26.51 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 sections.h

1.35 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 segment.h

162 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 serial.h

446 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 shmparam.h

445 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 signal.h

749 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 smp.h

3.21 KB

01/28/2018 09:20:33 PM

rw-r--r--

📁 sn

11/17/2022 06:42:20 AM

rwxr-xr-x

📄 sparsemem.h

621 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 spinlock.h

6.92 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 spinlock_types.h

475 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 string.h

659 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 swiotlb.h

344 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 switch_to.h

2.89 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 syscall.h

2.06 KB

11/01/2022 04:52:05 PM

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Editing: rwsem.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * R/W semaphores for ia64
 *
 * Copyright (C) 2003 Ken Chen <kenneth.w.chen@intel.com>
 * Copyright (C) 2003 Asit Mallick <asit.k.mallick@intel.com>
 * Copyright (C) 2005 Christoph Lameter <cl@linux.com>
 *
 * Based on asm-i386/rwsem.h and other architecture implementation.
 *
 * The MSW of the count is the negated number of active writers and
 * waiting lockers, and the LSW is the total number of active locks.
 *
 * The lock count is initialized to 0 (no active and no waiting lockers).
 *
 * When a writer subtracts WRITE_BIAS, it'll get 0xffffffff00000001 for
 * the case of an uncontended lock. Readers increment by 1 and see a positive
 * value when uncontended, negative if there are writers (and maybe) readers
 * waiting (in which case it goes to sleep).
 */

#ifndef _ASM_IA64_RWSEM_H
#define _ASM_IA64_RWSEM_H

#ifndef _LINUX_RWSEM_H
#error "Please don't include <asm/rwsem.h> directly, use <linux/rwsem.h> instead."
#endif

#include <asm/intrinsics.h>

#define RWSEM_UNLOCKED_VALUE		__IA64_UL_CONST(0x0000000000000000)
#define RWSEM_ACTIVE_BIAS		(1L)
#define RWSEM_ACTIVE_MASK		(0xffffffffL)
#define RWSEM_WAITING_BIAS		(-0x100000000L)
#define RWSEM_ACTIVE_READ_BIAS		RWSEM_ACTIVE_BIAS
#define RWSEM_ACTIVE_WRITE_BIAS		(RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS)

/*
 * lock for reading
 */
static inline int
___down_read (struct rw_semaphore *sem)
{
	long result = ia64_fetchadd8_acq((unsigned long *)&sem->count.counter, 1);

return (result < 0);
}

static inline void
__down_read (struct rw_semaphore *sem)
{
	if (___down_read(sem))
		rwsem_down_read_failed(sem);
}

static inline int
__down_read_killable (struct rw_semaphore *sem)
{
	if (___down_read(sem))
		if (IS_ERR(rwsem_down_read_failed_killable(sem)))
			return -EINTR;

return 0;
}

/*
 * lock for writing
 */
static inline long
___down_write (struct rw_semaphore *sem)
{
	long old, new;

do {
		old = atomic_long_read(&sem->count);
		new = old + RWSEM_ACTIVE_WRITE_BIAS;
	} while (atomic_long_cmpxchg_acquire(&sem->count, old, new) != old);

return old;
}

static inline void
__down_write (struct rw_semaphore *sem)
{
	if (___down_write(sem))
		rwsem_down_write_failed(sem);
}

static inline int
__down_write_killable (struct rw_semaphore *sem)
{
	if (___down_write(sem)) {
		if (IS_ERR(rwsem_down_write_failed_killable(sem)))
			return -EINTR;
	}

return 0;
}

/*
 * unlock after reading
 */
static inline void
__up_read (struct rw_semaphore *sem)
{
	long result = ia64_fetchadd8_rel((unsigned long *)&sem->count.counter, -1);

if (result < 0 && (--result & RWSEM_ACTIVE_MASK) == 0)
		rwsem_wake(sem);
}

/*
 * unlock after writing
 */
static inline void
__up_write (struct rw_semaphore *sem)
{
	long old, new;

do {
		old = atomic_long_read(&sem->count);
		new = old - RWSEM_ACTIVE_WRITE_BIAS;
	} while (atomic_long_cmpxchg_release(&sem->count, old, new) != old);

if (new < 0 && (new & RWSEM_ACTIVE_MASK) == 0)
		rwsem_wake(sem);
}

/*
 * trylock for reading -- returns 1 if successful, 0 if contention
 */
static inline int
__down_read_trylock (struct rw_semaphore *sem)
{
	long tmp;
	while ((tmp = atomic_long_read(&sem->count)) >= 0) {
		if (tmp == atomic_long_cmpxchg_acquire(&sem->count, tmp, tmp+1)) {
			return 1;
		}
	}
	return 0;
}

/*
 * trylock for writing -- returns 1 if successful, 0 if contention
 */
static inline int
__down_write_trylock (struct rw_semaphore *sem)
{
	long tmp = atomic_long_cmpxchg_acquire(&sem->count,
			RWSEM_UNLOCKED_VALUE, RWSEM_ACTIVE_WRITE_BIAS);
	return tmp == RWSEM_UNLOCKED_VALUE;
}

/*
 * downgrade write lock to read lock
 */
static inline void
__downgrade_write (struct rw_semaphore *sem)
{
	long old, new;

do {
		old = atomic_long_read(&sem->count);
		new = old - RWSEM_WAITING_BIAS;
	} while (atomic_long_cmpxchg_release(&sem->count, old, new) != old);

if (old < 0)
		rwsem_downgrade_wake(sem);
}

#endif /* _ASM_IA64_RWSEM_H */