x86, 386 removal: Remove CONFIG_INVLPG

All 486+ CPUs support INVLPG, so remove the fallback 386 support
code.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1354132230-21854-6-git-send-email-hpa@linux.intel.com

1 files changed, 3 insertions, 5 deletions

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 60f926cd8b0e..13a6b29e2e5d 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -104,7 +104,7 @@ static void flush_tlb_func(void *info)
                 return;
 
         if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) {
-                if (f->flush_end == TLB_FLUSH_ALL || !cpu_has_invlpg)
+                if (f->flush_end == TLB_FLUSH_ALL)
                         local_flush_tlb();
                 else if (!f->flush_end)
                         __flush_tlb_single(f->flush_start);
@@ -337,10 +337,8 @@ static const struct file_operations fops_tlbflush = {
 
 static int __cpuinit create_tlb_flushall_shift(void)
 {
-        if (cpu_has_invlpg) {
-                debugfs_create_file("tlb_flushall_shift", S_IRUSR | S_IWUSR,
-                        arch_debugfs_dir, NULL, &fops_tlbflush);
-        }
+        debugfs_create_file("tlb_flushall_shift", S_IRUSR | S_IWUSR,
+                            arch_debugfs_dir, NULL, &fops_tlbflush);
         return 0;
 }
 late_initcall(create_tlb_flushall_shift);