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| author | David Kaplan <david.kaplan@amd.com> | 2025-06-25 10:58:04 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-06-26 10:56:39 +0200 |
| commit | ff54ae7314962699749869a3475da7a702ae991a (patch) | |
| tree | 01eb1ba296be4aa67ed3d073bb5642401a5582ad /rust/helpers/xarray.c | |
| parent | 1fd5eb02867ac7db9144bd44c8edfad0189c8e57 (diff) | |
x86/bugs: Use IBPB for retbleed if used by SRSO
If spec_rstack_overflow=ibpb then this mitigates retbleed as well. This
is relevant for AMD Zen1 and Zen2 CPUs which are vulnerable to both bugs.
Signed-off-by: David Kaplan <david.kaplan@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: H . Peter Anvin <hpa@zytor.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250625155805.600376-3-david.kaplan@amd.com
Diffstat (limited to 'rust/helpers/xarray.c')
0 files changed, 0 insertions, 0 deletions