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| author | Peter Zijlstra (Intel) <peterz@infradead.org> | 2022-10-17 16:41:20 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-10-17 16:41:20 +0200 |
| commit | 5c9a92dec3235b0c1d51e92860f8014753161593 (patch) | |
| tree | a20e03de222a01a372a741dee1c23a9612004c64 /arch/x86/kernel/cpu/bugs.c | |
| parent | d82a0345cf218f5050f5ad913e1ae6c579105731 (diff) | |
x86/bugs: Add retbleed=force
Debug aid, allows running retbleed=force,stuff on non-affected uarchs
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'arch/x86/kernel/cpu/bugs.c')
| -rw-r--r-- | arch/x86/kernel/cpu/bugs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index e6c23ead1617..b307b83e22be 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -838,6 +838,8 @@ static int __init retbleed_parse_cmdline(char *str) retbleed_cmd = RETBLEED_CMD_STUFF; } else if (!strcmp(str, "nosmt")) { retbleed_nosmt = true; + } else if (!strcmp(str, "force")) { + setup_force_cpu_bug(X86_BUG_RETBLEED); } else { pr_err("Ignoring unknown retbleed option (%s).", str); } |