From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Thu, 8 Dec 2005 05:53:34 +0000 (+1100)
Subject: [PATCH] powerpc: Remove debug code in hash path
X-Git-Tag: v3.12-rc1~39001^2~168^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6184b723876cd1a374e2d1094b3c73765d4c31c1;p=kernel%2Fkernel-generic.git

[PATCH] powerpc: Remove debug code in hash path

Some debug code wasn't properly removed from the initial 64k pages
patch, and while it's harmless, it's also slowing down significantly a
very hot code path, thus it should really be removed.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---

diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index a50e5f3..cf1bc11 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -298,18 +298,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	if (!(vflags & HPTE_V_BOLTED))
 		DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r);
 
-#if 1
-	{
-		int i;
-		for (i=0;i<8;i++) {
-			unsigned long w0, w1;
-			plpar_pte_read(0, hpte_group, &w0, &w1);
-			BUG_ON (HPTE_V_COMPARE(hpte_v, w0)
-				&& (w0 & HPTE_V_VALID));
-		}
-	}
-#endif
-
 	/* Now fill in the actual HPTE */
 	/* Set CEC cookie to 0         */
 	/* Zero page = 0               */