Commit 5c9a92de authored by Peter Zijlstra (Intel)'s avatar Peter Zijlstra (Intel) Committed by Peter Zijlstra
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x86/bugs: Add retbleed=force 



Debug aid, allows running retbleed=force,stuff on non-affected uarchs

Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
parent d82a0345

arch/x86/kernel/cpu/bugs.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

		}