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authorWill Deacon <will@kernel.org>2022-03-14 19:05:13 +0000
committerWill Deacon <will@kernel.org>2022-03-14 19:08:31 +0000
commit641d804157294d9b19bdfe6a2cdbd5d25939a048 (patch)
treed4e06201998b94999fc1e1ea7cea95b334da9630 /arch/arm64/include/asm/insn.h
parentMerge branch 'for-next/fpsimd' into for-next/core (diff)
parentarm64: Do not include __READ_ONCE() block in assembly files (diff)
downloadlinux-dev-641d804157294d9b19bdfe6a2cdbd5d25939a048.tar.xz
linux-dev-641d804157294d9b19bdfe6a2cdbd5d25939a048.zip
Merge branch 'for-next/spectre-bhb' into for-next/core
Merge in the latest Spectre mess to fix up conflicts with what was already queued for 5.18 when the embargo finally lifted. * for-next/spectre-bhb: (21 commits) arm64: Do not include __READ_ONCE() block in assembly files 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 ...
Diffstat (limited to 'arch/arm64/include/asm/insn.h')
-rw-r--r--arch/arm64/include/asm/insn.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index 0b6b31307e68..1e5760d567ae 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -65,6 +65,7 @@ enum aarch64_insn_hint_cr_op {
AARCH64_INSN_HINT_PSB = 0x11 << 5,
AARCH64_INSN_HINT_TSB = 0x12 << 5,
AARCH64_INSN_HINT_CSDB = 0x14 << 5,
+ AARCH64_INSN_HINT_CLEARBHB = 0x16 << 5,
AARCH64_INSN_HINT_BTI = 0x20 << 5,
AARCH64_INSN_HINT_BTIC = 0x22 << 5,