summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorWill Deacon <will@kernel.org>2022-03-14 22:05:13 +0300
committerWill Deacon <will@kernel.org>2022-03-14 22:08:31 +0300
commit641d804157294d9b19bdfe6a2cdbd5d25939a048 (patch)
treed4e06201998b94999fc1e1ea7cea95b334da9630 /include/linux
parent8d93b7a242b2adf36949c10b8eb9cc084a74b59a (diff)
parent52c9f93a9c482251cb0d224faa602ba26d462be8 (diff)
downloadlinux-641d804157294d9b19bdfe6a2cdbd5d25939a048.tar.xz
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 'include/linux')
-rw-r--r--include/linux/arm-smccc.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 63ccb5252190..220c8c60e021 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -92,6 +92,11 @@
ARM_SMCCC_SMC_32, \
0, 0x7fff)
+#define ARM_SMCCC_ARCH_WORKAROUND_3 \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_32, \
+ 0, 0x3fff)
+
#define ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID \
ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
ARM_SMCCC_SMC_32, \