1 files changed, 2 insertions, 12 deletions

diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index c3750c2c4113..c85598acb8fd 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -430,22 +430,12 @@ void __init alternative_instructions(void)
  * And on the local CPU you need to be protected again NMI or MCE handlers
  * seeing an inconsistent instruction while you patch.
  */
-void __kprobes text_poke(void *oaddr, unsigned char *opcode, int len)
+void __kprobes text_poke(void *addr, unsigned char *opcode, int len)
 {
-        u8 *addr = oaddr;
-        if (!pte_write(*lookup_address((unsigned long)addr))) {
-                struct page *p[2] = { virt_to_page(addr), virt_to_page(addr+PAGE_SIZE) };
-                addr = vmap(p, 2, VM_MAP, PAGE_KERNEL);
-                if (!addr)
-                        return;
-                addr += ((unsigned long)oaddr) % PAGE_SIZE;
-        }
         memcpy(addr, opcode, len);
         sync_core();
         /* Not strictly needed, but can speed CPU recovery up. Ignore cross cacheline
            case. */
         if (cpu_has_clflush)
-                asm("clflush (%0) " :: "r" (oaddr) : "memory");
-        if (addr != oaddr)
-                vunmap(addr);
+                asm("clflush (%0) " :: "r" (addr) : "memory");
 }