linux-kernel - [PATCH v4 09/45] powerpc/ptdump: Add _PAGE

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Message-Id: <324c3d860717e8e91fca3bb6c0f8b23e1644a404.1589866984.git.christophe.leroy@csgroup.eu>
Date:   Tue, 19 May 2020 05:48:51 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v4 09/45] powerpc/ptdump: Add _PAGE_COHERENT flag

For platforms using shared.c (4xx, Book3e, Book3s/32),
also handle the _PAGE_COHERENT flag with corresponds to the
M bit of the WIMG flags.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/mm/ptdump/shared.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/powerpc/mm/ptdump/shared.c b/arch/powerpc/mm/ptdump/shared.c
index dab5d8028a9b..634b83aa3487 100644
--- a/arch/powerpc/mm/ptdump/shared.c
+++ b/arch/powerpc/mm/ptdump/shared.c
@@ -40,6 +40,11 @@ static const struct flag_info flag_array[] = {
 		.val	= _PAGE_NO_CACHE,
 		.set	= "i",
 		.clear	= " ",
+	}, {
+		.mask	= _PAGE_COHERENT,
+		.val	= _PAGE_COHERENT,
+		.set	= "m",
+		.clear	= " ",
 	}, {
 		.mask	= _PAGE_GUARDED,
 		.val	= _PAGE_GUARDED,
-- 
2.25.0