2 files changed, 1 insertions, 23 deletions

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index 458bc1611933..b31c0802e1cc 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -85,14 +85,4 @@ config DOUBLEFAULT
           option saves about 4k and might cause you much additional grey
           hair.
 
-config DEBUG_PARAVIRT
-        bool "Enable some paravirtualization debugging"
-        default n
-        depends on PARAVIRT && DEBUG_KERNEL
-        help
-          Currently deliberately clobbers regs which are allowed to be
-          clobbered in inlined paravirt hooks, even in native mode.
-          If turning this off solves a problem, then DISABLE_INTERRUPTS() or
-          ENABLE_INTERRUPTS() is lying about what registers can be clobbered.
-
 endmenu
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index 9b8e85a8edec..915b6c4d9baf 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -334,19 +334,7 @@ void apply_paravirt(struct paravirt_patch *start, struct paravirt_patch *end)
 
                 used = paravirt_ops.patch(p->instrtype, p->clobbers, p->instr,
                                           p->len);
-#ifdef CONFIG_DEBUG_PARAVIRT
-                {
-                int i;
-                /* Deliberately clobber regs using "not %reg" to find bugs. */
-                for (i = 0; i < 3; i++) {
-                        if (p->len - used >= 2 && (p->clobbers & (1 << i))) {
-                                memcpy(p->instr + used, "\xf7\xd0", 2);
-                                p->instr[used+1] |= i;
-                                used += 2;
-                        }
-                }
-                }
-#endif
+
                 /* Pad the rest with nops */
                 nop_out(p->instr + used, p->len - used);
         }