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linux/arch/arm64/kvm
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Kalesh Singh ce3354318a KVM: arm64: Add guard pages for KVM nVHE hypervisor stack 
Map the stack pages in the flexible private VA range and allocate
guard pages below the stack as unbacked VA space. The stack is aligned
so that any valid stack address has PAGE_SHIFT bit as 1 - this is used
for overflow detection (implemented in a subsequent patch in the series).

Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220420214317.3303360-4-kaleshsingh@google.com
2022-04-28 20:53:13 +01:00
..
hyp KVM: arm64: Introduce pkvm_alloc_private_va_range() 2022-04-28 20:53:13 +01:00
vgic KVM: arm64: vgic: Remove unnecessary type castings 2022-04-06 10:42:55 +01:00
.gitignore KVM: arm64: Generate hyp_constants.h for the host 2021-12-06 08:37:03 +00:00
arch_timer.c KVM: Add helpers to wake/query blocking vCPU 2021-12-08 04:24:54 -05:00
arm.c KVM: arm64: Add guard pages for KVM nVHE hypervisor stack 2022-04-28 20:53:13 +01:00
debug.c KVM: arm64: Emulate the OS Lock 2022-02-08 14:23:41 +00:00
fpsimd.c KVM: arm64: Add comments for context flush and sync callbacks 2022-02-08 14:42:59 +00:00
guest.c KVM: arm64: fix typos in comments 2022-03-18 14:04:15 +00:00
handle_exit.c KVM: arm64: fix typos in comments 2022-03-18 14:04:15 +00:00
hypercalls.c KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated 2022-02-24 13:58:52 +00:00
inject_fault.c KVM: arm64: Move AArch32 exceptions over to AArch64 sysregs 2020-11-10 11:22:51 +00:00
irq.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 422 2019-06-05 17:37:15 +02:00
Kconfig RISCV: 2022-01-16 16:15:14 +02:00
Makefile KVM: arm64: Align the VMID allocation with the arm64 ASID 2022-02-08 14:57:03 +00:00
mmio.c KVM: arm64: Generalise VM features into a set of flags 2022-03-18 14:02:33 +00:00
mmu.c KVM: arm64: Add guard pages for KVM nVHE hypervisor stack 2022-04-28 20:53:13 +01:00
pkvm.c KVM: arm64: Move host EL1 code out of hyp/ directory 2021-12-06 08:37:03 +00:00
pmu-emul.c KVM: arm64: Generalise VM features into a set of flags 2022-03-18 14:02:33 +00:00
pmu.c KVM: arm64: Disable PMU support in protected mode 2021-03-19 12:02:19 +00:00
psci.c KVM: arm64: Drop unneeded minor version check from PSCI v1.x handler 2022-04-06 10:39:39 +01:00
pvtime.c KVM: arm64: Use kvm_write_guest_lock when init stolen time 2020-12-03 19:02:18 +00:00
reset.c KVM: arm64: mixed-width check should be skipped for uninitialized vCPUs 2022-04-06 12:29:45 +01:00
sys_regs.c ARM: 2022-03-24 11:58:57 -07:00
sys_regs.h KVM: arm64: Refactor sys_regs.h,c for nVHE reuse 2021-08-20 11:12:17 +01:00
trace.h KVM: arm64: Move virt/kvm/arm to arch/arm64 2020-05-16 15:03:59 +01:00
trace_arm.h KVM: Move arm64's MMU notifier trace events to generic code 2021-04-17 08:30:56 -04:00
trace_handle_exit.h KVM: arm64: Upgrade trace_kvm_arm_set_dreg32() to 64bit 2021-08-20 11:12:18 +01:00
trng.c KVM: arm64: Implement the TRNG hypervisor call 2021-01-25 22:19:31 +00:00
va_layout.c KVM: arm64: Generate final CTR_EL0 value when running in Protected mode 2021-03-25 11:00:33 +00:00
vgic-sys-reg-v3.c KVM: arm64: Drop is_aarch32 trap attribute 2020-11-10 11:22:52 +00:00
vmid.c KVM: arm64: Make active_vmids invalid on vCPU schedule out 2022-02-08 14:57:04 +00:00