x86: mtrr_cleanup safe to get more spare regs now

Delay exit to make sure we can actually get the optimal result in as
many cases as possible.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index bccf57f..ae0ca97 100644 (file)
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -1353,10 +1353,8 @@ static int __init mtrr_cleanup(unsigned address_bits)
                nr_mtrr_spare_reg = num_var_ranges - 1;
        num_reg_good = -1;
        for (i = num_var_ranges - nr_mtrr_spare_reg; i > 0; i--) {
-               if (!min_loss_pfn[i]) {
+               if (!min_loss_pfn[i])
                        num_reg_good = i;
-                       break;
-               }
        }
 
        index_good = -1;