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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt3
-rw-r--r--arch/s390/kernel/alternative.c21
2 files changed, 2 insertions, 22 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index c1134ad5f06d..f1384c7b59c9 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3830,9 +3830,6 @@
noalign [KNL,ARM]
- noaltinstr [S390,EARLY] Disables alternative instructions
- patching (CPU alternatives feature).
-
noapic [SMP,APIC,EARLY] Tells the kernel to not make use of any
IOAPICs that may be present in the system.
diff --git a/arch/s390/kernel/alternative.c b/arch/s390/kernel/alternative.c
index 1ac5f707dd70..7971bc1bf496 100644
--- a/arch/s390/kernel/alternative.c
+++ b/arch/s390/kernel/alternative.c
@@ -7,18 +7,8 @@
#include <asm/facility.h>
#include <asm/nospec-branch.h>
-static int __initdata_or_module alt_instr_disabled;
-
-static int __init disable_alternative_instructions(char *str)
-{
- alt_instr_disabled = 1;
- return 0;
-}
-
-early_param("noaltinstr", disable_alternative_instructions);
-
-static void __init_or_module __apply_alternatives(struct alt_instr *start,
- struct alt_instr *end)
+void __init_or_module apply_alternatives(struct alt_instr *start,
+ struct alt_instr *end)
{
struct alt_instr *a;
u8 *instr, *replacement;
@@ -37,13 +27,6 @@ static void __init_or_module __apply_alternatives(struct alt_instr *start,
}
}
-void __init_or_module apply_alternatives(struct alt_instr *start,
- struct alt_instr *end)
-{
- if (!alt_instr_disabled)
- __apply_alternatives(start, end);
-}
-
extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
void __init apply_alternative_instructions(void)
{