[PATCH RFC 8/8] powerpc/64: barrier_nospec: Add commandline trigger
From: Michal Suchanek <hidden>
Date: 2018-03-13 18:33:06
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Copypasta from rfi implementation Signed-off-by: Michal Suchanek <redacted> --- arch/powerpc/kernel/setup_64.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 4b67b7b877d9..257f0e6be107 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c@@ -840,6 +840,14 @@ static int __init handle_no_pti(char *p) } early_param("nopti", handle_no_pti); +static int __init handle_no_nospec(char *p) +{ + pr_info("barrier_nospec: disabled on command line."); + no_nospec = true; + return 0; +} +early_param("no_nospec", handle_no_nospec); + static void do_nothing(void *unused) { /*
--
2.13.6