From: Yinghai Lu <yhlu.kernel@gmail.com>
Date: Mon, 29 Sep 2008 20:39:17 +0000 (-0700)
Subject: x86: mtrr_cleanup safe to get more spare regs now
X-Git-Tag: firefly_0821_release~17842^2^13~9
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=73436a1d2501575f9c2e6ddb26889145e23cefd8;p=firefly-linux-kernel-4.4.55.git

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 bccf57f5b615..ae0ca97e20bd 100644
--- 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;