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linux/arch/arm64/kernel
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Anshuman Khandual c73433fc63 arm64/cpufeature: Validate hypervisor capabilities during CPU hotplug 
This validates hypervisor capabilities like VMID width, IPA range for any
hot plug CPU against system finalized values. KVM's view of the IPA space
is used while allowing a given CPU to come up. While here, it factors out
get_vmid_bits() for general use.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org

Suggested-by: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1589248647-22925-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
2020-05-20 15:59:23 +01:00
..
probes
arm64: remove __exception annotations
2019-10-28 11:22:38 +00:00
vdso
SPDX patches for 5.7-rc1.
2020-04-03 13:12:26 -07:00
vdso32
SPDX patches for 5.7-rc1.
2020-04-03 13:12:26 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
acpi_numa.c
acpi: Create subtable parsing infrastructure
2019-04-04 18:41:12 +02:00
acpi_parking_protocol.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
acpi.c
arm64: acpi: fix DAIF manipulation with pNMI
2020-01-22 14:41:22 +00:00
alternative.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
armv8_deprecated.c
arm64: armv8_deprecated: Fix undef_hook mask for thumb setend
2020-04-08 18:19:20 +01:00
asm-offsets.c
arm64: initialize and switch ptrauth kernel keys
2020-03-18 09:50:20 +00:00
cacheinfo.c
arm64 updates for 5.3:
2019-07-08 09:54:55 -07:00
cpu_errata.c
arm64: Mark call_smc_arch_workaround_1 as __maybe_unused
2020-03-11 12:01:59 +00:00
cpu_ops.c
arm64: Introduce get_cpu_ops() helper function
2020-03-24 17:24:19 +00:00
cpu-reset.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
cpu-reset.S
arm64: use mov_q instead of literal ldr
2020-03-24 11:48:24 +00:00
cpufeature.c
arm64/cpufeature: Validate hypervisor capabilities during CPU hotplug
2020-05-20 15:59:23 +01:00
cpuidle.c
arm64: Introduce get_cpu_ops() helper function
2020-03-24 17:24:19 +00:00
cpuinfo.c
Merge branch 'for-next/rng' into for-next/core
2020-01-22 11:38:53 +00:00
crash_core.c
arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE
2018-09-11 11:08:49 +01:00
crash_dump.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
debug-monitors.c
arm64: Remove unneeded rcu_read_lock from debug handlers
2019-08-01 15:00:27 +01:00
efi-entry.S
efi/arm64: Clean EFI stub exit code from cache instead of avoiding it
2020-02-29 10:16:57 +01:00
efi-header.S
efi/libstub: Introduce symbolic constants for the stub major/minor version
2020-02-23 21:59:42 +01:00
efi-rt-wrapper.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
efi.c
mm/pgtable: drop pgtable_t variable from pte_fn_t functions
2019-07-12 11:05:46 -07:00
entry-common.c
arm64: entry: unmask IRQ in el0_sp()
2020-03-11 14:34:28 +00:00
entry-fpsimd.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
entry-ftrace.S
arm64: entry-ftrace.S: Fix missing argument for CONFIG_FUNCTION_GRAPH_TRACER=y
2020-03-11 11:06:48 +00:00
entry.S
Merge branch 'for-next/kernel-ptrauth' into for-next/core
2020-03-25 11:11:08 +00:00
fpsimd.c
arm64: nofpsmid: Handle TIF_FOREIGN_FPSTATE flag cleanly
2020-01-14 17:11:53 +00:00
ftrace.c
arm64: ftrace: minimize ifdeffery
2019-11-06 14:17:36 +00:00
head.S
Merge branch 'for-next/kernel-ptrauth' into for-next/core
2020-03-25 11:11:08 +00:00
hibernate-asm.S
arm64: remove gratuitious/stray .ltorg stanzas
2020-03-04 15:47:47 +00:00
hibernate.c
arm64: hibernate: Use bringup_hibernate_cpu()
2020-03-25 12:59:34 +01:00
hw_breakpoint.c
Printk changes for 5.5
2019-11-25 19:40:40 -08:00
hyp-stub.S
arm64: use mov_q instead of literal ldr
2020-03-24 11:48:24 +00:00
image-vars.h
efi/arm64: Clean EFI stub exit code from cache instead of avoiding it
2020-02-29 10:16:57 +01:00
image.h
arm64/efi: Move variable assignments after SECTIONS
2019-08-14 17:18:15 +01:00
insn.c
arm64: insn: consistently handle exit text
2019-12-04 11:32:20 +00:00
io.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
irq.c
arm64 updates for 5.3:
2019-07-08 09:54:55 -07:00
jump_label.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
kaslr.c
arm64: Fix CONFIG_ARCH_RANDOM=n build
2020-02-11 09:47:01 +00:00
kexec_image.c
arm64: kexec_file: add crash dump support
2020-01-08 17:05:23 +00:00
kgdb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
kuser32.S
docs: arm: convert docs to ReST and rename to *.rst
2019-07-15 09:20:24 -03:00
machine_kexec_file.c
arm64: kexec_file: Fixed code style.
2020-03-17 18:23:20 +00:00
machine_kexec.c
Revert "arm64: kexec: make dtb_mem always enabled"
2020-01-10 16:00:50 +00:00
Makefile
arm64: efi: add efi-entry.o to targets instead of extra-$(CONFIG_EFI)
2020-03-09 18:13:25 +00:00
module-plts.c
arm64: implement ftrace with regs
2019-11-06 14:17:35 +00:00
module.c
arm64: implement ftrace with regs
2019-11-06 14:17:35 +00:00
module.lds
arm64: ftrace: emit ftrace-mod.o contents through code
2017-12-01 13:04:59 +00:00
paravirt.c
arm64: Retrieve stolen time as paravirtualized guest
2019-10-21 19:20:31 +01:00
pci.c
pci-v5.3-changes
2019-07-15 20:44:49 -07:00
perf_callchain.c
arm64: stacktrace: Factor out backtrace initialisation
2019-07-22 11:44:08 +01:00
perf_event.c
arm64: perf: Add support for ARMv8.5-PMU 64-bit counters
2020-03-17 22:50:30 +00:00
perf_regs.c
compat: Move compat_timespec/ timeval to compat_time.h
2018-04-19 13:29:54 +02:00
pointer_auth.c
arm64: install user ptrauth keys at kernel exit time
2020-03-18 09:50:19 +00:00
process.c
arm64 updates for 5.7:
2020-03-31 10:05:01 -07:00
psci.c
arm64: psci: Reduce the waiting time for cpu_psci_cpu_kill()
2019-10-25 16:29:11 +01:00
ptrace.c
arm64: rename ptrauth key structures to be user-specific
2020-03-18 09:50:18 +00:00
reloc_test_core.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
reloc_test_syms.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
relocate_kernel.S
arm64: use mov_q instead of literal ldr
2020-03-24 11:48:24 +00:00
return_address.c
arm64: unwind: Prohibit probing on return_address()
2019-08-01 15:00:26 +01:00
sdei.c
firmware: arm_sdei: use common SMCCC_CONDUIT_*
2019-10-14 10:55:14 +01:00
setup.c
arm64: Introduce get_cpu_ops() helper function
2020-03-24 17:24:19 +00:00
signal32.c
arm64: signal: nofpsimd: Handle fp/simd context for signal frames
2020-01-14 17:11:46 +00:00
signal.c
arm64: signal: nofpsimd: Handle fp/simd context for signal frames
2020-01-14 17:11:46 +00:00
sigreturn32.S
arm64: compat: Split kuser32
2019-04-23 18:01:57 +01:00
sleep.S
arm64: ptrauth: Add bootup/runtime flags for __cpu_setup
2020-03-18 09:50:19 +00:00
smccc-call.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
smp_spin_table.c
arm64: prefer __section from compiler_attributes.h
2019-08-13 18:32:15 +01:00
smp.c
arm64 updates for 5.7:
2020-03-31 10:05:01 -07:00
ssbd.c
Return ENODEV when the selected speculation misfeature is unsupported
2020-01-08 17:27:41 +00:00
stacktrace.c
arm64: unwind: strip PAC from kernel addresses
2020-03-18 09:50:20 +00:00
suspend.c
arm64: mm: Support Common Not Private translations
2018-09-18 12:02:27 +01:00
sys32.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 452
2019-06-19 17:09:08 +02:00
sys_compat.c
arm64: Silence clang warning on mismatched value/register sizes
2019-10-28 09:13:21 +00:00
sys.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 234
2019-06-19 17:09:07 +02:00
syscall.c
arm64: entry: cleanup el0 svc handler naming
2020-01-17 13:22:14 +00:00
time.c
arm64: time: Replace <linux/clk-provider.h> by <linux/of_clk.h>
2020-02-12 17:26:38 +00:00
topology.c
arm64: use activity monitors for frequency invariance
2020-03-06 16:02:50 +00:00
trace-events-emulation.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
traps.c
sched/rt, arm64: Use CONFIG_PREEMPTION
2019-12-08 14:37:32 +01:00
vdso.c
arm64: vdso: don't free unallocated pages
2020-04-15 11:13:16 +01:00
vmlinux.lds.S
arm64 updates for 5.5:
2019-12-06 14:18:01 -08:00