OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:12 AM	rwxr-xr-x
📄 Kbuild	703 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acenv.h	541 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acpi.h	4.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 alternative.h	7.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arch_gicv3.h	3.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_timer.h	4.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arm-cci.h	794 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-bug.h	1.45 KB	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-uaccess.h	2.09 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 assembler.h	13.51 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic.h	8.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic_ll_sc.h	10.61 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic_lse.h	14.82 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 barrier.h	3.78 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bitops.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	452 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 boot.h	384 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 brk-imm.h	706 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	2.23 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cacheflush.h	4.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	1.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 clocksource.h	192 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	7.98 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat.h	7.15 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compiler.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu.h	1.84 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu_ops.h	2.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpucaps.h	1.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	19.14 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpuidle.h	401 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputype.h	8.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 current.h	517 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 daifflags.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcc.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug-monitors.h	3.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 device.h	886 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dmi.h	850 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 efi.h	4.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 elf.h	5.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 esr.h	9.02 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exception.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exec.h	868 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	1000 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.91 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimd.h	4.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimdmacros.h	5.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	1.92 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 futex.h	3.41 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hardirq.h	2.08 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hugetlb.h	2.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	4.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hwcap.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hypervisor.h	144 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 insn.h	16.03 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 io.h	7.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 irq.h	307 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_work.h	228 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	2.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.68 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kasan.h	1.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kernel-pgtable.h	4.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	3.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	1.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_arm.h	8.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_asm.h	4.26 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_coproc.h	2.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_emulate.h	10.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_host.h	15.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_hyp.h	5.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_mmio.h	1.3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_mmu.h	11.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 linkage.h	114 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 lse.h	1.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 memblock.h	720 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 memory.h	9.16 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu.h	2.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu_context.h	6.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	266 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	2.8 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 neon.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 numa.h	1.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 page-def.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	1.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 paravirt.h	458 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	878 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 percpu.h	7.48 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 perf_event.h	3.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-hwdef.h	9.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-prot.h	4.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-types.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	21.55 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 probes.h	1022 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 proc-fns.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 processor.h	6.52 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ptdump.h	1.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	9 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 sdei.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 seccomp.h	714 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 shmparam.h	965 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal32.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 simd.h	1.39 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 smp.h	4.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_plat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 spinlock_types.h	1.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stack_pointer.h	247 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	2.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 stage2_pgtable-nopmd.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable-nopud.h	1.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable.h	4.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 suspend.h	1.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sync_bitops.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sysreg.h	25.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 system_misc.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 timex.h	883 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlb.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlbflush.h	5.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 topology.h	1.29 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 traps.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 uaccess.h	12.01 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 unistd.h	1.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd32.h	27.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	777 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso_datapage.h	1.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vectors.h	1.75 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 virt.h	3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vmap_stack.h	769 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 word-at-a-time.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 xen	-	05/09/2024 07:14:16 AM	rwxr-xr-x

Name

Size

Modified

Perms

📁 ..

05/09/2024 07:14:12 AM

rwxr-xr-x

📄 Kbuild

703 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 acenv.h

541 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 acpi.h

4.34 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 alternative.h

7.63 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 arch_gicv3.h

3.44 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 arch_timer.h

4.87 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 arm-cci.h

794 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 asm-bug.h

1.45 KB

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-uaccess.h

2.09 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 assembler.h

13.51 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 atomic.h

8.35 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 atomic_ll_sc.h

10.61 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 atomic_lse.h

14.82 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 barrier.h

3.78 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 bitops.h

1.9 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 bitrev.h

452 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 boot.h

384 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 brk-imm.h

706 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 bug.h

1.09 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 cache.h

2.23 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 cacheflush.h

4.87 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 checksum.h

1.35 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 clocksource.h

192 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cmpxchg.h

7.98 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 compat.h

7.15 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 compiler.h

1.18 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 cpu.h

1.84 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 cpu_ops.h

2.73 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 cpucaps.h

1.87 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 cpufeature.h

19.14 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 cpuidle.h

401 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 cputype.h

8.1 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 current.h

517 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 daifflags.h

1.59 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 dcc.h

1.36 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 debug-monitors.h

3.76 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 device.h

886 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 dma-mapping.h

2.42 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 dmi.h

850 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 efi.h

4.57 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 elf.h

5.7 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 esr.h

9.02 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 exception.h

1.21 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 exec.h

868 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 extable.h

815 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 fb.h

1000 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 fixmap.h

2.91 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 fpsimd.h

4.21 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 fpsimdmacros.h

5.62 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 ftrace.h

1.92 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 futex.h

3.41 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 hardirq.h

2.08 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 hugetlb.h

2.71 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hw_breakpoint.h

4.46 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hwcap.h

1.86 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 hypervisor.h

144 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 insn.h

16.03 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 io.h

7.72 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 irq.h

307 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 irq_work.h

228 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 irqflags.h

2.3 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 jump_label.h

1.68 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kasan.h

1.16 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kernel-pgtable.h

4.03 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kexec.h

2.42 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kgdb.h

3.79 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kprobes.h

1.74 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kvm_arm.h

8.38 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kvm_asm.h

4.26 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kvm_coproc.h

2.04 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kvm_emulate.h

10.38 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kvm_host.h

15.73 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kvm_hyp.h

5.79 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 kvm_mmio.h

1.3 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 kvm_mmu.h

11.72 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 linkage.h

114 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 lse.h

1.26 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 memblock.h

720 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 memory.h

9.16 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 mmu.h

2.76 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 mmu_context.h

6.35 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 mmzone.h

266 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 module.h

2.8 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 neon.h

815 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 numa.h

1.33 KB

06/16/2023 05:32:39 PM

rw-r--r--

📄 page-def.h

1.17 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 page.h

1.61 KB

01/28/2018 09:20:33 PM

rw-r--r--

📄 paravirt.h

458 bytes

01/28/2018 09:20:33 PM

rw-r--r--

📄 pci.h

878 bytes

01/28/2018 09:20:33 PM

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📁 xen

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rwxr-xr-x

Editing: mmu_context.h

/*
 * Based on arch/arm/include/asm/mmu_context.h
 *
 * Copyright (C) 1996 Russell King.
 * Copyright (C) 2012 ARM Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __ASM_MMU_CONTEXT_H
#define __ASM_MMU_CONTEXT_H

#ifndef __ASSEMBLY__

#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/sched/hotplug.h>
#include <linux/mm_types.h>

#include <asm/cacheflush.h>
#include <asm/cpufeature.h>
#include <asm/proc-fns.h>
#include <asm-generic/mm_hooks.h>
#include <asm/cputype.h>
#include <asm/pgtable.h>
#include <asm/sysreg.h>
#include <asm/tlbflush.h>

static inline void contextidr_thread_switch(struct task_struct *next)
{
	if (!IS_ENABLED(CONFIG_PID_IN_CONTEXTIDR))
		return;

write_sysreg(task_pid_nr(next), contextidr_el1);
	isb();
}

/*
 * Set TTBR0 to empty_zero_page. No translations will be possible via TTBR0.
 */
static inline void cpu_set_reserved_ttbr0(void)
{
	unsigned long ttbr = __pa_symbol(empty_zero_page);

write_sysreg(ttbr, ttbr0_el1);
	isb();
}

static inline void cpu_switch_mm(pgd_t *pgd, struct mm_struct *mm)
{
	BUG_ON(pgd == swapper_pg_dir);
	cpu_set_reserved_ttbr0();
	cpu_do_switch_mm(virt_to_phys(pgd),mm);
}

/*
 * TCR.T0SZ value to use when the ID map is active. Usually equals
 * TCR_T0SZ(VA_BITS), unless system RAM is positioned very high in
 * physical memory, in which case it will be smaller.
 */
extern u64 idmap_t0sz;

static inline bool __cpu_uses_extended_idmap(void)
{
	return (!IS_ENABLED(CONFIG_ARM64_VA_BITS_48) &&
		unlikely(idmap_t0sz != TCR_T0SZ(VA_BITS)));
}

/*
 * Set TCR.T0SZ to its default value (based on VA_BITS)
 */
static inline void __cpu_set_tcr_t0sz(unsigned long t0sz)
{
	unsigned long tcr;

if (!__cpu_uses_extended_idmap())
		return;

tcr = read_sysreg(tcr_el1);
	tcr &= ~TCR_T0SZ_MASK;
	tcr |= t0sz << TCR_T0SZ_OFFSET;
	write_sysreg(tcr, tcr_el1);
	isb();
}

#define cpu_set_default_tcr_t0sz()	__cpu_set_tcr_t0sz(TCR_T0SZ(VA_BITS))
#define cpu_set_idmap_tcr_t0sz()	__cpu_set_tcr_t0sz(idmap_t0sz)

/*
 * Remove the idmap from TTBR0_EL1 and install the pgd of the active mm.
 *
 * The idmap lives in the same VA range as userspace, but uses global entries
 * and may use a different TCR_EL1.T0SZ. To avoid issues resulting from
 * speculative TLB fetches, we must temporarily install the reserved page
 * tables while we invalidate the TLBs and set up the correct TCR_EL1.T0SZ.
 *
 * If current is a not a user task, the mm covers the TTBR1_EL1 page tables,
 * which should not be installed in TTBR0_EL1. In this case we can leave the
 * reserved page tables in place.
 */
static inline void cpu_uninstall_idmap(void)
{
	struct mm_struct *mm = current->active_mm;

cpu_set_reserved_ttbr0();
	local_flush_tlb_all();
	cpu_set_default_tcr_t0sz();

if (mm != &init_mm && !system_uses_ttbr0_pan())
		cpu_switch_mm(mm->pgd, mm);
}

static inline void cpu_install_idmap(void)
{
	cpu_set_reserved_ttbr0();
	local_flush_tlb_all();
	cpu_set_idmap_tcr_t0sz();

cpu_switch_mm(lm_alias(idmap_pg_dir), &init_mm);
}

/*
 * Atomically replaces the active TTBR1_EL1 PGD with a new VA-compatible PGD,
 * avoiding the possibility of conflicting TLB entries being allocated.
 */
static inline void cpu_replace_ttbr1(pgd_t *pgd)
{
	typedef void (ttbr_replace_func)(phys_addr_t);
	extern ttbr_replace_func idmap_cpu_replace_ttbr1;
	ttbr_replace_func *replace_phys;

phys_addr_t pgd_phys = virt_to_phys(pgd);

replace_phys = (void *)__pa_symbol(idmap_cpu_replace_ttbr1);

cpu_install_idmap();
	replace_phys(pgd_phys);
	cpu_uninstall_idmap();
}

/*
 * It would be nice to return ASIDs back to the allocator, but unfortunately
 * that introduces a race with a generation rollover where we could erroneously
 * free an ASID allocated in a future generation. We could workaround this by
 * freeing the ASID from the context of the dying mm (e.g. in arch_exit_mmap),
 * but we'd then need to make sure that we didn't dirty any TLBs afterwards.
 * Setting a reserved TTBR0 or EPD0 would work, but it all gets ugly when you
 * take CPU migration into account.
 */
#define destroy_context(mm)		do { } while(0)
void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);

#define init_new_context(tsk,mm)	({ atomic64_set(&(mm)->context.id, 0); 0; })

#ifdef CONFIG_ARM64_SW_TTBR0_PAN
static inline void update_saved_ttbr0(struct task_struct *tsk,
				      struct mm_struct *mm)
{
	u64 ttbr;

if (!system_uses_ttbr0_pan())
		return;

if (mm == &init_mm)
		ttbr = __pa_symbol(empty_zero_page);
	else
		ttbr = virt_to_phys(mm->pgd) | ASID(mm) << 48;

WRITE_ONCE(task_thread_info(tsk)->ttbr0, ttbr);
}
#else
static inline void update_saved_ttbr0(struct task_struct *tsk,
				      struct mm_struct *mm)
{
}
#endif

static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
	/*
	 * We don't actually care about the ttbr0 mapping, so point it at the
	 * zero page.
	 */
	update_saved_ttbr0(tsk, &init_mm);
}

static inline void __switch_mm(struct mm_struct *next)
{
	unsigned int cpu = smp_processor_id();

/*
	 * init_mm.pgd does not contain any user mappings and it is always
	 * active for kernel addresses in TTBR1. Just set the reserved TTBR0.
	 */
	if (next == &init_mm) {
		cpu_set_reserved_ttbr0();
		return;
	}

check_and_switch_context(next, cpu);
}

static inline void
switch_mm(struct mm_struct *prev, struct mm_struct *next,
	  struct task_struct *tsk)
{
	if (prev != next)
		__switch_mm(next);

/*
	 * Update the saved TTBR0_EL1 of the scheduled-in task as the previous
	 * value may have not been initialised yet (activate_mm caller) or the
	 * ASID has changed since the last run (following the context switch
	 * of another thread of the same process).
	 */
	update_saved_ttbr0(tsk, next);
}

#define deactivate_mm(tsk,mm)	do { } while (0)
#define activate_mm(prev,next)	switch_mm(prev, next, current)

void verify_cpu_asid_bits(void);
void post_ttbr_update_workaround(void);

#endif /* !__ASSEMBLY__ */

#endif /* !__ASM_MMU_CONTEXT_H */