linux-kernel - [PATCH v4 05/21] powerpc/8xx: Fix comment about DIRTY update

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Date:	Fri, 19 Sep 2014 10:36:07 +0200 (CEST)
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
CC:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>,
	scottwood@...escale.com
Subject: [PATCH v4 05/21] powerpc/8xx: Fix comment about DIRTY update

Since commit 2321f33790a6c5b80322d907a92d5739e7521a13, dirty handling is not
handled here anymore. So we fix the comment.

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>

---
Changes in v2:
- None

Changes in v3:
- None

Changes in v4:
- None

 arch/powerpc/kernel/head_8xx.S | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index e4086d6..10054b8 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -479,12 +479,8 @@ InstructionTLBError:
 	EXC_XFER_LITE(0x400, handle_page_fault)
 
 /* This is the data TLB error on the MPC8xx.  This could be due to
- * many reasons, including a dirty update to a pte.  We can catch that
- * one here, but anything else is an error.  First, we track down the
- * Linux pte.  If it is valid, write access is allowed, but the
- * page dirty bit is not set, we will set it and reload the TLB.  For
- * any other case, we bail out to a higher level function that can
- * handle it.
+ * many reasons, including a dirty update to a pte.  We bail out to
+ * a higher level function that can handle it.
  */
 	. = 0x1400
 DataTLBError:
-- 
2.1.0

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