linux-kernel - Re: [PATCH 1/7] ICH Force HPET: Make generic time capable of switching broadcast timer

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Date:	Thu, 28 Jun 2007 10:56:24 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	James Morris <jmorris@...ei.org>
Cc:	Stephen Smalley <sds@...ho.nsa.gov>,
	Eric Paris <eparis@...hat.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] ICH Force HPET: Make generic time capable of
 switching broadcast timer

On Thu, 28 Jun 2007 08:12:48 -0400 (EDT) James Morris <jmorris@...ei.org> wrote:

> > My fix:
> 
> This should work.
> 

uh, OK, surprised.

Completer version:

--- a/security/selinux/hooks.c~git-selinux-disable-mmap_min_addr-by-default
+++ a/security/selinux/hooks.c
@@ -112,9 +112,6 @@ int selinux_enabled = 1;
 /* Original (dummy) security module. */
 static struct security_operations *original_ops = NULL;
 
-/* Did we enable minimum mmap address checking? */
-static int enabled_mmap_min_addr;
-
 /* Minimal support for a secondary security module,
    just to allow the use of the dummy or capability modules.
    The owlsm module can alternatively be used as a secondary
@@ -4917,15 +4914,6 @@ static __init int selinux_init(void)
 					    sizeof(struct inode_security_struct),
 					    0, SLAB_PANIC, NULL, NULL);
 
-	/*
-	 * Tasks cannot mmap below this without the mmap_zero permission.
-	 * If not enabled already, do so by setting it to 64KB.
-	 */
-	if (mmap_min_addr == 0) {
-		enabled_mmap_min_addr = 1;
-		mmap_min_addr = 65536;
-	}
-
 	avc_init();
 
 	original_ops = secondary_ops = security_ops;
@@ -5076,10 +5064,6 @@ int selinux_disable(void)
 	selinux_disabled = 1;
 	selinux_enabled = 0;
 
-	/* Disable minimum mmap address check only if we enabled it */
-	if (enabled_mmap_min_addr)
-		mmap_min_addr = 0;
-
 	/* Reset security_ops to the secondary module, dummy or capability. */
 	security_ops = secondary_ops;
 
_

-
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