Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 05:02:12 +00:00
Code Issues Packages Projects Releases Wiki Activity
3bf7edc84a
linux/arch/arm64/kvm
History
Linus Torvalds cd22a8bfcf arm64 Spectre-BHB mitigations based on v5.17-rc3 
- Make EL1 vectors per-cpu
  - Add mitigation sequences to the EL1 and EL2 vectors on vulnerble CPUs
  - Implement ARCH_WORKAROUND_3 for KVM guests
  - Report Vulnerable when unprivileged eBPF is enabled
 -----BEGIN PGP SIGNATURE-----
 
 iQJIBAABCgAyFiEEmVzZdC2f8yLvolS4hFk2x3H8xgYFAmImQMAUHGphbWVzLm1v
 cnNlQGFybS5jb20ACgkQhFk2x3H8xgZPtw//atLbMQvEiUdOUfuwZFA2iwRKQ2xn
 DHDRwN2BBQRT4EPowGGYU/IyGJ/1Mm3JbxRa8uxVsUtd+BTxg9IaUIikHewDP0Pb
 JuiSs5QneA6TErzH0qiFAPCgpzeO2P8I3vm18IsOmHYi5P8+ZvR7FKC5x/nXfcdO
 zZE/vag69hnZzyw1fpG95/MDUR5uN3eM1Y1pexltmQZjhnOyfghBbCpp4itJ5u2n
 FtTXT0A1pTJqjGFujEqBZa7B57ymf+cpZxatsSywK7Lr97iKR7L6As5FBRN0ECEs
 NTZRsWjgRdoOnk1pk5TqJWnctjCvrkLafvu82aiRb9S4uTDI+U85K8yqPna9Wjq+
 63ChQu8s/RTfP395ao55HIySynWYo5FTf2WJ8RXQKEJ6wAI0SLgcO1VfAGq/veIy
 sv+OzG1gh9VZ51fzkaG5vAsk1brjX3YD112xcN718sxaHgTT1y1dAGeG9NbjAU3B
 wzrZEaNtDM2ZFtsGqBN5xOmKdeKOMp/jxiSmOu1nooEbMwHx0YKzpm/L5CbT7MvL
 1b1jcK9uPRob6ZrtQIGEcP5Tkd4w0cNB6r/Ynh29z0nFhaxpsGLnqRIeuPjxJGxm
 Kl4nAu2cb5fdfUzZckelaGEkVqBV3+9785fo4bFpRo96A/H+h4IB/OkEmwtAJvjY
 hqJh/TliXoZwrZ8=
 =bXPh
 -----END PGP SIGNATURE-----

Merge tag 'arm64-spectre-bhb-for-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 spectre fixes from James Morse:
 "ARM64 Spectre-BHB mitigations:

   - Make EL1 vectors per-cpu

   - Add mitigation sequences to the EL1 and EL2 vectors on vulnerble
     CPUs

   - Implement ARCH_WORKAROUND_3 for KVM guests

   - Report Vulnerable when unprivileged eBPF is enabled"

* tag 'arm64-spectre-bhb-for-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting
  arm64: Use the clearbhb instruction in mitigations
  KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated
  arm64: Mitigate spectre style branch history side channels
  arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2
  arm64: Add percpu vectors for EL1
  arm64: entry: Add macro for reading symbol addresses from the trampoline
  arm64: entry: Add vectors that have the bhb mitigation sequences
  arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations
  arm64: entry: Allow the trampoline text to occupy multiple pages
  arm64: entry: Make the kpti trampoline's kpti sequence optional
  arm64: entry: Move trampoline macros out of ifdef'd section
  arm64: entry: Don't assume tramp_vectors is the start of the vectors
  arm64: entry: Allow tramp_alias to access symbols after the 4K boundary
  arm64: entry: Move the trampoline data page before the text page
  arm64: entry: Free up another register on kpti's tramp_exit path
  arm64: entry: Make the trampoline cleanup optional
  KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A
  arm64: spectre: Rename spectre_v4_patch_fw_mitigation_conduit
  arm64: entry.S: Add ventry overflow sanity checks
2022-03-08 09:27:25 -08:00
..
hyp arm64: Use the clearbhb instruction in mitigations 2022-02-24 14:02:44 +00:00
vgic KVM: arm64: vgic: Read HW interrupt pending state from the HW 2022-02-11 11:01:12 +00:00
.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: Allow indirect vectors to be used without SPECTRE_V3A 2022-02-15 17:38:25 +00:00
debug.c KVM: arm64: MDCR_EL2 is a 64-bit register 2021-08-20 11:12:17 +01:00
fpsimd.c KVM: arm64: pkvm: Unshare guest structs during teardown 2021-12-16 12:58:57 +00:00
guest.c KVM: arm64: Change the return type of kvm_vcpu_preferred_target() 2021-11-08 10:48:47 +00:00
handle_exit.c KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs 2022-02-03 09:20:05 +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 RISCV: 2022-01-16 16:15:14 +02:00
mmio.c KVM: arm64: Make kvm_skip_instr() and co private to HYP 2020-11-10 08:34:24 +00:00
mmu.c KVM/arm64 updates for Linux 5.16 2022-01-07 10:42:19 -05:00
pkvm.c KVM: arm64: Move host EL1 code out of hyp/ directory 2021-12-06 08:37:03 +00:00
pmu-emul.c RISCV: 2022-01-16 16:15:14 +02:00
pmu.c KVM: arm64: Disable PMU support in protected mode 2021-03-19 12:02:19 +00:00
psci.c arm64 Spectre-BHB mitigations based on v5.17-rc3 2022-03-08 09:27:25 -08:00
pvtime.c KVM: arm64: Use kvm_write_guest_lock when init stolen time 2020-12-03 19:02:18 +00:00
reset.c RISCV: 2022-01-16 16:15:14 +02:00
sys_regs.c arm64: add ID_AA64ISAR2_EL1 sys register 2021-12-13 18:53:00 +00:00
sys_regs.h KVM: arm64: Refactor sys_regs.h,c for nVHE reuse 2021-08-20 11:12:17 +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
trace.h KVM: arm64: Move virt/kvm/arm to arch/arm64 2020-05-16 15:03:59 +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