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| author | D Scott Phillips <[email protected]> | 2022-10-11 02:21:40 +0000 |
|---|---|---|
| committer | Catalin Marinas <[email protected]> | 2022-10-12 16:36:06 +0000 |
| commit | 0e5d5ae837c8ce04d2ddb874ec5f920118bd9d31 (patch) | |
| tree | 9551dd36a66919bbadd41c4f07deb1c59de5168e /drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c | |
| parent | arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored (diff) | |
| download | kernel-0e5d5ae837c8ce04d2ddb874ec5f920118bd9d31.tar.gz kernel-0e5d5ae837c8ce04d2ddb874ec5f920118bd9d31.zip | |
arm64: Add AMPERE1 to the Spectre-BHB affected list
Per AmpereOne erratum AC03_CPU_12, "Branch history may allow control of
speculative execution across software contexts," the AMPERE1 core needs the
bhb clearing loop to mitigate Spectre-BHB, with a loop iteration count of
11.
Signed-off-by: D Scott Phillips <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: James Morse <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c')
0 files changed, 0 insertions, 0 deletions