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Message-Id: <20171127204257.654262031@linutronix.de>
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Date: Mon, 27 Nov 2017 21:34:19 +0100
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
        Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>,
        Denys Vlasenko <dvlasenk@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
        Josh Poimboeuf <jpoimboe@redhat.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Peter Zijlstra <peterz@infradead.org>, Rik van Riel <riel@redhat.com>,
        daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com,
        linux-mm@kvack.org, michael.schwarz@iaik.tugraz.at,
        moritz.lipp@iaik.tugraz.at, richard.fellner@student.tugraz.at,
        Juergen Gross <jgross@suse.com>,
        Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: [patch 3/4] x86/mm/debug_pagetables: Use octal file permissions
References: <20171127203416.236563829@linutronix.de>
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 filename=x86-mm-debug_pagetables--Use-octal-file-permissions.patch
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As equested by several reviewers.

Fixes: ca646ac417b8 ("x86/mm/debug_pagetables: Allow dumping current pagetables")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/mm/debug_pagetables.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/arch/x86/mm/debug_pagetables.c
+++ b/arch/x86/mm/debug_pagetables.c
@@ -81,18 +81,18 @@ static void pt_dump_debug_remove_files(v
 
 static int __init pt_dump_debug_init(void)
 {
-	pe_knl = debugfs_create_file("kernel_page_tables", S_IRUSR, NULL, NULL,
+	pe_knl = debugfs_create_file("kernel_page_tables", 0400, NULL, NULL,
 				     &ptdump_fops);
 	if (!pe_knl)
 		return -ENOMEM;
 
-	pe_curknl = debugfs_create_file("current_page_tables_knl", S_IRUSR,
+	pe_curknl = debugfs_create_file("current_page_tables_knl", 0400,
 					NULL, NULL, &ptdump_curknl_fops);
 	if (!pe_curknl)
 		goto err;
 
 #ifdef CONFIG_KAISER
-	pe_curusr = debugfs_create_file("current_page_tables_usr", S_IRUSR,
+	pe_curusr = debugfs_create_file("current_page_tables_usr", 0400,
 					NULL, NULL, &ptdump_curusr_fops);
 	if (!pe_curusr)
 		goto err;