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linux/arch/arm64/include/asm
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Marc Zyngier f359182291 arm64: Provide an 'upgrade to VHE' stub hypercall 
As we are about to change the way a VHE system boots, let's
provide the core helper, in the form of a stub hypercall that
enables VHE and replicates the full EL1 context at EL2, thanks
to EL1 and VHE-EL2 being extremely similar.

On exception return, the kernel carries on at EL2. Fancy!

Nothing calls this new hypercall yet, so no functional change.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: David Brazdil <dbrazdil@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210208095732.3267263-5-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
2021-02-08 12:51:26 +00:00
..
vdso
vdso/treewide: Add vdso_data pointer argument to __arch_get_hw_counter()
2020-08-06 10:57:30 +02:00
xen
xen/arm: do not setup the runstate info page if kpti is enabled
2020-10-04 18:41:33 -05:00
acenv.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
acpi.h
arm64/acpi: disallow AML memory opregions to access kernel memory
2020-07-14 18:02:03 +01:00
alternative-macros.h
arm64: alternatives: Split up alternative.h
2020-11-09 21:49:34 +00:00
alternative.h
arm64: alternatives: Split up alternative.h
2020-11-09 21:49:34 +00:00
arch_gicv3.h
irqchip/gic-v3: Support pseudo-NMIs when SCR_EL3.FIQ == 0
2020-09-13 17:52:04 +01:00
arch_timer.h
arm64: arch_timer: Allow an workaround descriptor to disable compat vdso
2020-07-08 21:57:51 +01:00
archrandom.h
arm64: random: Remove no longer needed prototypes
2020-10-07 14:17:20 +01:00
arm_dsu_pmu.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
arm-cci.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
asm_pointer_auth.h
arm64: simplify ptrauth initialization
2020-04-28 11:23:21 +01:00
asm-bug.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
asm-offsets.h
…
asm-prototypes.h
arm64: asm-prototypes: Fix fat-fingered typo in comment
2019-01-10 11:11:46 +00:00
asm-uaccess.h
Merge branch 'for-next/misc' into for-next/core
2020-12-09 18:04:48 +00:00
assembler.h
arm64: Turn the MMU-on sequence into a macro
2021-02-08 12:51:26 +00:00
atomic_ll_sc.h
arm64: Move the LSE gas support detection to Kconfig
2020-01-15 12:50:48 +00:00
atomic_lse.h
arm64: lse: fix LSE atomics with LLVM's integrated assembler
2020-01-16 17:25:10 +00:00
atomic.h
arm64: make atomic helpers __always_inline
2021-01-13 15:09:06 +00:00
barrier.h
iommu/arm-smmu-v3: Ensure queue is read after updating prod pointer
2020-09-28 22:57:43 +01:00
bitops.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
bitrev.h
…
boot.h
arm64: get rid of TEXT_OFFSET
2020-09-07 15:00:52 +01:00
brk-imm.h
arm64: kprobes: Use BRK instead of single-step when executing instructions out-of-line
2020-11-03 14:03:38 +00:00
bug.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
cache.h
arm64: kasan: align allocations for HW_TAGS
2020-12-22 12:55:08 -08:00
cacheflush.h
arch, mm: make kernel_page_present() always available
2020-12-15 12:13:43 -08:00
checksum.h
arm64: csum: Fix handling of bad packets
2020-07-30 17:01:38 +01:00
clocksource.h
arm64: Introduce asm/vdso/clocksource.h
2020-03-21 15:23:55 +01:00
cmpxchg.h
arm64: fix unreachable code issue with cmpxchg
2019-09-17 12:11:50 +01:00
compat.h
compat: lift compat_s64 and compat_u64 to <asm-generic/compat.h>
2020-09-17 13:00:46 -04:00
compiler.h
arm64: use a common .arch preamble for inline assembly
2020-08-28 11:15:15 +01:00
cpu_ops.h
arm64: fix some spelling mistakes in the comments by codespell
2020-09-07 14:18:50 +01:00
cpu.h
Revert "arm64: initialize per-cpu offsets earlier"
2020-10-09 11:24:17 +01:00
cpucaps.h
Merge remote-tracking branch 'origin/kvm-arm64/psci-relay' into kvmarm-master/next
2020-12-09 10:00:24 +00:00
cpufeature.h
ARM:
2020-12-20 10:44:05 -08:00
cpuidle.h
…
cputype.h
arm64: Add MIDR value for KRYO2XX gold/silver CPU cores
2020-11-13 09:47:08 +00:00
current.h
…
daifflags.h
arm64: entry: fix non-NMI kernel<->kernel transitions
2020-11-30 12:11:38 +00:00
dcc.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 284
2019-06-05 17:36:37 +02:00
debug-monitors.h
arm64: kprobes: Use BRK instead of single-step when executing instructions out-of-line
2020-11-03 14:03:38 +00:00
device.h
arm64: Remove dev->archdata.iommu pointer
2020-06-30 11:59:49 +02:00
dmi.h
…
efi.h
efi: stub: get rid of efi_get_max_fdt_addr()
2020-12-09 08:37:27 +01:00
el2_setup.h
arm64: Fix labels in el2_setup macros
2021-02-08 12:51:26 +00:00
elf.h
Split the old READ_IMPLIES_EXEC workaround from executable PT_GNU_STACK
2020-06-05 13:45:21 -07:00
esr.h
arm64: mte: add in-kernel MTE helpers
2020-12-22 12:55:07 -08:00
exception.h
arm64: entry: suppress W=1 prototype warnings
2020-12-15 12:38:02 +00:00
exec.h
arm64: uaccess: remove set_fs()
2020-12-02 19:49:11 +00:00
extable.h
arm64: Improve diagnostics when trapping BRK with FAULT_BRK_IMM
2020-09-18 16:35:54 +01:00
fb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
fixmap.h
arm64/fixmap: make notes of fixed_addresses more precisely
2020-08-08 19:25:04 +01:00
fpsimd.h
arm64/sve: Implement a helper to load SVE registers from FPSIMD state
2020-09-21 18:06:33 +01:00
fpsimdmacros.h
arm64/sve: Implement a helper to flush SVE registers
2020-09-21 18:06:33 +01:00
ftrace.h
arm64: implement ftrace with regs
2019-11-06 14:17:35 +00:00
futex.h
arm64: uaccess: rename privileged uaccess routines
2020-12-02 19:49:10 +00:00
hardirq.h
arm64: irqstat: Get rid of duplicated declaration
2020-11-23 10:31:05 +01:00
hugetlb.h
arm64/hugetlb: Reserve CMA areas for gigantic pages on 16K and 64K configs
2020-07-15 13:38:03 +01:00
hw_breakpoint.h
arm64: remove pointless __KERNEL__ guards
2019-08-05 11:06:33 +01:00
hwcap.h
Merge branch 'for-next/mte' into for-next/core
2020-10-02 12:16:11 +01:00
hyp_image.h
kvm: arm64: Move nVHE hyp namespace macros to hyp_image.h
2020-09-30 08:33:52 +01:00
hypervisor.h
…
image.h
docs: arm64: convert docs to ReST and rename to .rst
2019-06-14 14:20:27 -06:00
insn.h
arm64: alternatives: Split up alternative.h
2020-11-09 21:49:34 +00:00
io.h
Add and use a generic version of devmem_is_allowed()
2020-12-11 12:30:26 -08:00
irq_work.h
arm64: Kill __smp_cross_call and co
2020-09-17 16:37:28 +01:00
irq.h
arm64: Use the new GENERIC_IRQ_MULTI_HANDLER
2018-08-03 12:14:09 +02:00
irqflags.h
arm64: Implement arch_irqs_disabled()
2020-08-26 12:41:55 +02:00
jump_label.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
kasan.h
kasan, arm64: move initialization message
2020-12-22 12:55:07 -08:00
Kbuild
local64.h: make <asm/local64.h> mandatory
2020-12-29 15:36:49 -08:00
kernel-pgtable.h
arm64: consistently use reserved_pg_dir
2020-11-10 17:30:40 +00:00
kexec.h
Revert "arm64: kexec: make dtb_mem always enabled"
2020-01-10 16:00:50 +00:00
kgdb.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
kprobes.h
arm64: kprobes: Remove redundant kprobe_step_ctx
2020-11-10 17:12:30 +00:00
kvm_arm.h
KVM: arm64: Trap host SMCs in protected mode
2020-12-04 10:08:36 +00:00
kvm_asm.h
ARM:
2020-12-20 10:44:05 -08:00
kvm_emulate.h
Merge branch 'kvm-master' into kvm-next
2021-01-07 18:06:52 -05:00
kvm_host.h
KVM: arm64: Declutter host PSCI 0.1 handling
2020-12-22 12:56:44 +00:00
kvm_hyp.h
KVM: arm64: Bootstrap PSCI SMC handler in nVHE EL2
2020-12-04 10:08:34 +00:00
kvm_mmu.h
Merge remote-tracking branch 'origin/kvm-arm64/psci-relay' into kvmarm-master/next
2020-12-09 10:00:24 +00:00
kvm_pgtable.h
KVM: arm64: Add support for relaxing stage-2 perms in generic page-table code
2020-09-11 15:51:15 +01:00
kvm_ptrauth.h
KVM: arm64: Update context references from host to hyp
2020-09-15 18:39:02 +01:00
kvm_ras.h
arm64: KVM/mm: Move SEA handling behind a single 'claim' interface
2019-02-07 23:10:45 +01:00
kvm_types.h
KVM: arm64: Use common KVM implementation of MMU memory caches
2020-07-09 13:29:43 -04:00
linkage.h
arm64: Don't insert a BTI instruction at inner labels
2020-06-24 14:24:29 +01:00
lse.h
arm64: lse: Fix LSE atomics with LLVM
2020-02-18 18:10:49 +00:00
memory.h
kasan, arm64: implement HW_TAGS runtime
2020-12-22 12:55:08 -08:00
mman.h
arm64: mte: Validate the PROT_MTE request via arch_validate_flags()
2020-09-04 12:46:07 +01:00
mmu_context.h
asm-generic: mmu-context cleanup
2020-12-15 23:58:04 -08:00
mmu.h
KVM: arm64: Move BP hardening helpers into spectre.h
2020-11-16 10:40:18 +00:00
mmzone.h
…
module.h
arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
2020-04-23 10:50:26 +09:00
module.lds.h
kbuild: preprocess module linker script
2020-09-25 00:36:41 +09:00
mte-def.h
arm64: mte: switch GCR_EL1 in kernel entry and exit
2020-12-22 12:55:07 -08:00
mte-kasan.h
arm64: mte: switch GCR_EL1 in kernel entry and exit
2020-12-22 12:55:07 -08:00
mte.h
arm64: mte: switch GCR_EL1 in kernel entry and exit
2020-12-22 12:55:07 -08:00
neon-intrinsics.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
neon.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
numa.h
arm64/mm: return cpu_all_mask when node is NUMA_NO_NODE
2020-09-21 22:05:01 +01:00
page-def.h
arm64/mm: Unify CONT_PTE_SHIFT
2020-09-11 16:33:43 +01:00
page.h
arm64: mte: Add PROT_MTE support to mmap() and mprotect()
2020-09-04 12:46:07 +01:00
paravirt.h
arm64: Retrieve stolen time as paravirtualized guest
2019-10-21 19:20:31 +01:00
pci.h
arm64: Enable PCI write-combine resources under sysfs
2020-09-18 14:05:13 +01:00
percpu.h
KVM: arm64: Support per_cpu_ptr in nVHE hyp code
2020-12-04 10:08:34 +00:00
perf_event.h
arm64: perf: Add support caps under sysfs
2020-09-28 14:53:45 +01:00
pgalloc.h
asm-generic: pgalloc: provide generic pgd_free()
2020-08-07 11:33:26 -07:00
pgtable-hwdef.h
kasan: arm64: set TCR_EL1.TBID1 when enabled
2020-11-25 16:53:19 +00:00
pgtable-prot.h
ARM:
2020-10-23 11:17:56 -07:00
pgtable-types.h
arm64: add support for folded p4d page tables
2020-06-04 19:06:21 -07:00
pgtable.h
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
pointer_auth.h
arm64: sync kernel APIAKey when installing
2020-04-21 15:52:56 +01:00
preempt.h
sched/rt, arm64: Use CONFIG_PREEMPTION
2019-12-08 14:37:32 +01:00
probes.h
arm64/fpsimd: add <asm/insn.h> to <asm/kprobes.h> to fix fpsimd build
2020-11-23 10:59:00 +00:00
proc-fns.h
arm64: mm: convert cpu_do_switch_mm() to C
2020-02-27 14:30:50 +00:00
processor.h
arm64: Remove arm64_dma32_phys_limit and its uses
2021-01-12 17:49:25 +00:00
ptdump.h
arm64: mm: convert mm/dump.c to use walk_page_range()
2020-02-04 03:05:25 +00:00
ptrace.h
Merge branch 'kvm-master' into kvm-next
2021-01-07 18:06:52 -05:00
pvclock-abi.h
KVM: arm64: Implement PV_TIME_FEATURES call
2019-10-21 19:20:27 +01:00
rwonce.h
arm64: lto: Strengthen READ_ONCE() to acquire when CONFIG_LTO=y
2020-11-09 21:49:34 +00:00
scs.h
scs: Move scs_overflow_check() out of architecture code
2020-05-18 17:47:40 +01:00
sdei.h
arm64: Use the correct style for SPDX License Identifier
2019-04-16 16:28:01 +01:00
seccomp.h
arm64: Enable seccomp architecture tracking
2020-11-20 11:16:34 -08:00
sections.h
KVM: arm64: Add .hyp.data..ro_after_init ELF section
2020-12-04 10:08:33 +00:00
shmparam.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
signal32.h
arm64: remove pointless __KERNEL__ guards
2019-08-05 11:06:33 +01:00
signal.h
arm64: expose FAR_EL1 tag bits in siginfo
2020-11-23 18:17:39 +00:00
simd.h
arm64: fpsimd: Make sure SVE setup is complete before SIMD is used
2020-01-14 17:11:21 +00:00
smp_plat.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
smp.h
arm64: Make cpu_logical_map() take unsigned int
2020-12-04 08:44:24 +00:00
sparsemem.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
spectre.h
Merge remote-tracking branch 'origin/kvm-arm64/csv3' into kvmarm-master/queue
2020-12-03 19:12:24 +00:00
spinlock_types.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
spinlock.h
arm64/spinlock: fix a -Wunused-function warning
2020-02-10 11:29:24 +00:00
stack_pointer.h
…
stackprotector.h
arm64: initialize ptrauth keys for kernel booting task
2020-03-18 09:50:20 +00:00
stacktrace.h
arm64: stacktrace: Make stack walk callback consistent with generic code
2020-09-18 14:24:16 +01:00
stage2_pgtable.h
KVM: arm64: Remove unused page-table code
2020-09-11 15:51:15 +01:00
stat.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
string.h
kasan, arm64: expand CONFIG_KASAN checks
2020-12-22 12:55:08 -08:00
suspend.h
arm64: Preserve register x18 when CPU is suspended
2020-05-15 16:35:50 +01:00
sync_bitops.h
arm64, locking/atomics: Use instrumented atomics
2018-11-01 11:01:40 +01:00
syscall_wrapper.h
arm64: simplify syscall wrapper ifdeffery
2019-10-14 10:55:00 +01:00
syscall.h
arm64: compat: Ensure upper 32 bits of x0 are zero on syscall return
2020-07-16 11:41:31 +01:00
sysreg.h
Merge branch 'kvm-master' into kvm-next
2021-01-07 18:06:52 -05:00
system_misc.h
arm64: expose FAR_EL1 tag bits in siginfo
2020-11-23 18:17:39 +00:00
thread_info.h
arm64: make _TIF_WORK_MASK bits contiguous
2020-12-16 14:08:47 -08:00
timex.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
tlb.h
arm64: tlb: Set the TTL field in flush_tlb_range
2020-07-07 11:23:47 +01:00
tlbflush.h
arm64: use a common .arch preamble for inline assembly
2020-08-28 11:15:15 +01:00
topology.h
arm64: wrap and generalise counter read functions
2020-11-13 20:05:10 +00:00
traps.h
arm64: expose FAR_EL1 tag bits in siginfo
2020-11-23 18:17:39 +00:00
uaccess.h
arm64: Move PSTATE.TCO setting to separate functions
2021-01-07 11:39:01 +00:00
unistd32.h
epoll: fix compat syscall wire up of epoll_pwait2
2020-12-20 10:01:38 -08:00
unistd.h
epoll: wire up syscall epoll_pwait2
2020-12-19 11:18:38 -08:00
uprobes.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
vdso.h
arm64/vdso: Add time namespace page
2020-07-24 13:15:20 +01:00
vermagic.h
arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
2020-04-23 10:50:26 +09:00
virt.h
arm64: Provide an 'upgrade to VHE' stub hypercall
2021-02-08 12:51:26 +00:00
vmalloc.h
mm/vmalloc: Add empty <asm/vmalloc.h> headers and use them from <linux/vmalloc.h>
2019-12-10 10:12:55 +01:00
vmap_stack.h
mm: reorder includes after introduction of linux/pgtable.h
2020-06-09 09:39:13 -07:00
word-at-a-time.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
xor.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00