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| author |   Catalin Marinas <catalin.marinas@arm.com> | 2022-09-30 09:18:26 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-09-30 09:18:26 +0100 |
| commit | 53630a1f6186e9df5fb75e9b55328e22b64de150 (patch) | |
| tree | cce45ad34594ae21ee6b2f7b37e6aadfc00715ec /Documentation/admin-guide | |
| parent | Merge branch 'for-next/alternatives' into for-next/core (diff) | |
| parent | arm64/kprobe: Optimize the performance of patching single-step slot (diff) | |
| download | linux-dev-53630a1f6186e9df5fb75e9b55328e22b64de150.tar.xz linux-dev-53630a1f6186e9df5fb75e9b55328e22b64de150.zip | |
Merge branch 'for-next/misc' into for-next/core
* for-next/misc:
: Miscellaneous patches
arm64/kprobe: Optimize the performance of patching single-step slot
ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
arm64/mm: fold check for KFENCE into can_set_direct_map()
arm64: uaccess: simplify uaccess_mask_ptr()
arm64: mte: move register initialization to C
arm64: mm: handle ARM64_KERNEL_USES_PMD_MAPS in vmemmap_populate()
arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()
arm64: support huge vmalloc mappings
arm64: spectre: increase parameters that can be used to turn off bhb mitigation individually
arm64: run softirqs on the per-CPU IRQ stack
arm64: compat: Implement misalignment fixups for multiword loads
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 426fa892d311..dc3a939da2c0 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3207,6 +3207,7 @@ spectre_v2_user=off [X86] spec_store_bypass_disable=off [X86,PPC] ssbd=force-off [ARM64] + nospectre_bhb [ARM64] l1tf=off [X86] mds=off [X86] tsx_async_abort=off [X86] @@ -3613,7 +3614,7 @@ nohugeiomap [KNL,X86,PPC,ARM64] Disable kernel huge I/O mappings. - nohugevmalloc [PPC] Disable kernel huge vmalloc mappings. + nohugevmalloc [KNL,X86,PPC,ARM64] Disable kernel huge vmalloc mappings. nosmt [KNL,S390] Disable symmetric multithreading (SMT). Equivalent to smt=1. @@ -3631,6 +3632,10 @@ vulnerability. System may allow data leaks with this option. + nospectre_bhb [ARM64] Disable all mitigations for Spectre-BHB (branch + history injection) vulnerability. System may allow data leaks + with this option. + nospec_store_bypass_disable [HW] Disable all mitigations for the Speculative Store Bypass vulnerability |