Re: [gentoo-hardened] BFS

[Alex Efros]

Hi!

On Sun, Jun 10, 2012 at 04:59:27PM +0300, Alex Efros wrote:
> If anyone interested, I've fixed BFS patch for 3.2.11-hardened:
> http://powerman.name/download/kernel/3.2-hardened-sched-bfs-416.patch

Update for 3.4.2-hardened-r1:
http://powerman.name/download/kernel/3.4-hardened-sched-bfs-424.patch


Here is diff from original patch:
--- /usr/src/3.4-sched-bfs-424.patch	2012-07-22 10:56:58.883010665 +0300
+++ /usr/src/3.4-hardened-sched-bfs-424.patch	2012-07-22 11:23:30.631273337 +0300
@@ -493,12 +493,18 @@
 ===================================================================
 --- linux-3.4-ck3.orig/include/linux/init_task.h	2012-06-01 21:37:22.000000000 +1000
 +++ linux-3.4-ck3/include/linux/init_task.h	2012-07-03 14:00:08.123680821 +1000
-@@ -132,12 +132,70 @@ extern struct cred init_cred;
+@@ -132,18 +132,77 @@ extern struct cred init_cred;
  # define INIT_PERF_EVENTS(tsk)
  #endif
  
 -#define INIT_TASK_COMM "swapper"
 -
+ #ifdef CONFIG_X86
+ #define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO,
+ #else
+ #define INIT_TASK_THREAD_INFO
+ #endif
+ 
  /*
   *  INIT_TASK is used to set up the first task table, touch at
   * your own risk!. Base=0, limit=0x1fffff (=2MB)
@@ -534,6 +540,7 @@
 +	RCU_INIT_POINTER(.cred, &init_cred),				\
 +	.comm		= INIT_TASK_COMM,				\
 +	.thread		= INIT_THREAD,					\
++	INIT_TASK_THREAD_INFO						\
 +	.fs		= &init_fs,					\
 +	.files		= &init_files,					\
 +	.signal		= &init_signals,				\
@@ -980,9 +987,9 @@
  static int max_sched_granularity_ns = NSEC_PER_SEC;	/* 1 second */
  static int min_wakeup_granularity_ns;			/* 0 usecs */
 @@ -256,6 +261,7 @@ static int max_extfrag_threshold = 1000;
+ 	},
  #endif
  
- static struct ctl_table kern_table[] = {
 +#ifndef CONFIG_SCHED_BFS
  	{
  		.procname	= "sched_child_runs_first",

-- 
			WBR, Alex.