---

yaml --- r: 157359 b: refs/heads/master c: 3793d2f h: refs/heads/master i: 157357: 5dcf1e3 157355: 5af9321 157351: cdfe764 157343: 39d973e v: v3
git-mirror · Sep 6, 2009 · caf1376 · caf1376
1 parent 8e51345
commit caf1376
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Showing 144 changed files with 831 additions and 2,465 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f6f79190866d5b2d06a2114d673f91f54e7c7ce4
+refs/heads/master: 3793d2fc3eac7da11ca44df125cbcedd0b5315d0
diff --git a/trunk/Documentation/keys.txt b/trunk/Documentation/keys.txt
@@ -26,7 +26,7 @@ This document has the following sections:
 	- Notes on accessing payload contents
 	- Defining a key type
 	- Request-key callback service
-	- Garbage collection
+	- Key access filesystem
 
 
 ============
@@ -113,9 +113,6 @@ Each key has a number of attributes:
 
      (*) Dead. The key's type was unregistered, and so the key is now useless.
 
-Keys in the last three states are subject to garbage collection.  See the
-section on "Garbage collection".
-
 
 ====================
 KEY SERVICE OVERVIEW
@@ -757,26 +754,6 @@ The keyctl syscall functions are:
      successful.
 
 
- (*) Install the calling process's session keyring on its parent.
-
-	long keyctl(KEYCTL_SESSION_TO_PARENT);
-
-     This functions attempts to install the calling process's session keyring
-     on to the calling process's parent, replacing the parent's current session
-     keyring.
-
-     The calling process must have the same ownership as its parent, the
-     keyring must have the same ownership as the calling process, the calling
-     process must have LINK permission on the keyring and the active LSM module
-     mustn't deny permission, otherwise error EPERM will be returned.
-
-     Error ENOMEM will be returned if there was insufficient memory to complete
-     the operation, otherwise 0 will be returned to indicate success.
-
-     The keyring will be replaced next time the parent process leaves the
-     kernel and resumes executing userspace.
-
-
 ===============
 KERNEL SERVICES
 ===============
@@ -1254,17 +1231,3 @@ by executing:
 
 In this case, the program isn't required to actually attach the key to a ring;
 the rings are provided for reference.
-
-
-==================
-GARBAGE COLLECTION
-==================
-
-Dead keys (for which the type has been removed) will be automatically unlinked
-from those keyrings that point to them and deleted as soon as possible by a
-background garbage collector.
-
-Similarly, revoked and expired keys will be garbage collected, but only after a
-certain amount of time has passed.  This time is set as a number of seconds in:
-
-	/proc/sys/kernel/keys/gc_delay
diff --git a/trunk/Makefile b/trunk/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 31
-EXTRAVERSION =
+EXTRAVERSION = -rc9
 NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*

diff --git a/trunk/arch/alpha/include/asm/thread_info.h b/trunk/arch/alpha/include/asm/thread_info.h
@@ -75,20 +75,17 @@ register struct thread_info *__current_thread_info __asm__("$8");
 #define TIF_UAC_SIGBUS		7
 #define TIF_MEMDIE		8
 #define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal */
-#define TIF_NOTIFY_RESUME	10	/* callback before returning to user */
 #define TIF_FREEZE		16	/* is freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
-#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 /* Work to do on interrupt/exception return.  */
-#define _TIF_WORK_MASK		(_TIF_SIGPENDING | _TIF_NEED_RESCHED | \
-				 _TIF_NOTIFY_RESUME)
+#define _TIF_WORK_MASK		(_TIF_SIGPENDING | _TIF_NEED_RESCHED)
 
 /* Work to do on any return to userspace.  */
 #define _TIF_ALLWORK_MASK	(_TIF_WORK_MASK		\

diff --git a/trunk/arch/alpha/kernel/signal.c b/trunk/arch/alpha/kernel/signal.c
@@ -20,7 +20,6 @@
 #include <linux/binfmts.h>
 #include <linux/bitops.h>
 #include <linux/syscalls.h>
-#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/sigcontext.h>
@@ -684,11 +683,4 @@ do_notify_resume(struct pt_regs *regs, struct switch_stack *sw,
 {
 	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
 		do_signal(regs, sw, r0, r19);
-
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/arm/include/asm/thread_info.h b/trunk/arch/arm/include/asm/thread_info.h
@@ -130,13 +130,11 @@ extern void vfp_sync_state(struct thread_info *thread);
  *  TIF_SYSCALL_TRACE	- syscall trace active
  *  TIF_SIGPENDING	- signal pending
  *  TIF_NEED_RESCHED	- rescheduling necessary
- *  TIF_NOTIFY_RESUME	- callback before returning to user
  *  TIF_USEDFPU		- FPU was used by this task this quantum (SMP)
  *  TIF_POLLING_NRFLAG	- true if poll_idle() is polling TIF_NEED_RESCHED
  */
 #define TIF_SIGPENDING		0
 #define TIF_NEED_RESCHED	1
-#define TIF_NOTIFY_RESUME	2	/* callback before returning to user */
 #define TIF_SYSCALL_TRACE	8
 #define TIF_POLLING_NRFLAG	16
 #define TIF_USING_IWMMXT	17
@@ -145,7 +143,6 @@ extern void vfp_sync_state(struct thread_info *thread);
 
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
-#define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
 #define _TIF_USING_IWMMXT	(1 << TIF_USING_IWMMXT)

diff --git a/trunk/arch/arm/kernel/entry-common.S b/trunk/arch/arm/kernel/entry-common.S
@@ -51,7 +51,7 @@ fast_work_pending:
 work_pending:
 	tst	r1, #_TIF_NEED_RESCHED
 	bne	work_resched
-	tst	r1, #_TIF_SIGPENDING|_TIF_NOTIFY_RESUME
+	tst	r1, #_TIF_SIGPENDING
 	beq	no_work_pending
 	mov	r0, sp				@ 'regs'
 	mov	r2, why				@ 'syscall'

diff --git a/trunk/arch/arm/kernel/signal.c b/trunk/arch/arm/kernel/signal.c
@@ -12,7 +12,6 @@
 #include <linux/personality.h>
 #include <linux/freezer.h>
 #include <linux/uaccess.h>
-#include <linux/tracehook.h>
 
 #include <asm/elf.h>
 #include <asm/cacheflush.h>
@@ -708,11 +707,4 @@ do_notify_resume(struct pt_regs *regs, unsigned int thread_flags, int syscall)
 {
 	if (thread_flags & _TIF_SIGPENDING)
 		do_signal(&current->blocked, regs, syscall);
-
-	if (thread_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/avr32/include/asm/thread_info.h b/trunk/arch/avr32/include/asm/thread_info.h
@@ -84,7 +84,6 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_MEMDIE		6
 #define TIF_RESTORE_SIGMASK	7	/* restore signal mask in do_signal */
 #define TIF_CPU_GOING_TO_SLEEP	8	/* CPU is entering sleep 0 mode */
-#define TIF_NOTIFY_RESUME	9	/* callback before returning to user */
 #define TIF_FREEZE		29
 #define TIF_DEBUG		30	/* debugging enabled */
 #define TIF_USERSPACE		31      /* true if FS sets userspace */
@@ -97,23 +96,20 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_MEMDIE		(1 << TIF_MEMDIE)
 #define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_CPU_GOING_TO_SLEEP (1 << TIF_CPU_GOING_TO_SLEEP)
-#define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 /* Note: The masks below must never span more than 16 bits! */
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK				\
 	((1 << TIF_SIGPENDING)			\
-	 | _TIF_NOTIFY_RESUME			\
 	 | (1 << TIF_NEED_RESCHED)		\
 	 | (1 << TIF_POLLING_NRFLAG)		\
 	 | (1 << TIF_BREAKPOINT)		\
 	 | (1 << TIF_RESTORE_SIGMASK))
 
 /* work to do on any return to userspace */
-#define _TIF_ALLWORK_MASK	(_TIF_WORK_MASK | (1 << TIF_SYSCALL_TRACE) | \
-				 _TIF_NOTIFY_RESUME)
+#define _TIF_ALLWORK_MASK	(_TIF_WORK_MASK | (1 << TIF_SYSCALL_TRACE))
 /* work to do on return from debug mode */
 #define _TIF_DBGWORK_MASK	(_TIF_WORK_MASK & ~(1 << TIF_BREAKPOINT))
 

diff --git a/trunk/arch/avr32/kernel/entry-avr32b.S b/trunk/arch/avr32/kernel/entry-avr32b.S
@@ -281,7 +281,7 @@ syscall_exit_work:
 	ld.w	r1, r0[TI_flags]
 	rjmp	1b
 
-2:	mov	r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NOTIFY_RESUME
+2:	mov	r2, _TIF_SIGPENDING | _TIF_RESTORE_SIGMASK
 	tst	r1, r2
 	breq	3f
 	unmask_interrupts

diff --git a/trunk/arch/avr32/kernel/signal.c b/trunk/arch/avr32/kernel/signal.c
@@ -16,7 +16,6 @@
 #include <linux/ptrace.h>
 #include <linux/unistd.h>
 #include <linux/freezer.h>
-#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/ucontext.h>
@@ -323,11 +322,4 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, struct thread_info *ti)
 
 	if (ti->flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
 		do_signal(regs, &current->blocked, syscall);
-
-	if (ti->flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/cris/kernel/ptrace.c b/trunk/arch/cris/kernel/ptrace.c
@@ -16,7 +16,6 @@
 #include <linux/errno.h>
 #include <linux/ptrace.h>
 #include <linux/user.h>
-#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
@@ -37,11 +36,4 @@ void do_notify_resume(int canrestart, struct pt_regs *regs,
 	/* deal with pending signal delivery */
 	if (thread_info_flags & _TIF_SIGPENDING)
 		do_signal(canrestart,regs);
-
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/frv/kernel/signal.c b/trunk/arch/frv/kernel/signal.c
@@ -572,8 +572,6 @@ asmlinkage void do_notify_resume(__u32 thread_info_flags)
 	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
 		clear_thread_flag(TIF_NOTIFY_RESUME);
 		tracehook_notify_resume(__frame);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
 	}
 
 } /* end do_notify_resume() */
diff --git a/trunk/arch/h8300/include/asm/thread_info.h b/trunk/arch/h8300/include/asm/thread_info.h
@@ -89,7 +89,6 @@ static inline struct thread_info *current_thread_info(void)
 					   TIF_NEED_RESCHED */
 #define TIF_MEMDIE		4
 #define TIF_RESTORE_SIGMASK	5	/* restore signal mask in do_signal() */
-#define TIF_NOTIFY_RESUME	6	/* callback before returning to user */
 #define TIF_FREEZE		16	/* is freezing for suspend */
 
 /* as above, but as bit values */
@@ -98,7 +97,6 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
-#define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_FREEZE		(1<<TIF_FREEZE)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */

diff --git a/trunk/arch/h8300/kernel/signal.c b/trunk/arch/h8300/kernel/signal.c
@@ -39,7 +39,6 @@
 #include <linux/tty.h>
 #include <linux/binfmts.h>
 #include <linux/freezer.h>
-#include <linux/tracehook.h>
 
 #include <asm/setup.h>
 #include <asm/uaccess.h>
@@ -553,11 +552,4 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
 {
 	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
 		do_signal(regs, NULL);
-
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/ia64/kernel/process.c b/trunk/arch/ia64/kernel/process.c
@@ -192,8 +192,6 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
 	if (test_thread_flag(TIF_NOTIFY_RESUME)) {
 		clear_thread_flag(TIF_NOTIFY_RESUME);
 		tracehook_notify_resume(&scr->pt);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
 	}
 
 	/* copy user rbs to kernel rbs */

diff --git a/trunk/arch/m32r/include/asm/thread_info.h b/trunk/arch/m32r/include/asm/thread_info.h
@@ -149,7 +149,6 @@ static inline unsigned int get_thread_fault_code(void)
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
 #define TIF_SINGLESTEP		3	/* restore singlestep on return to user mode */
 #define TIF_IRET		4	/* return with iret */
-#define TIF_NOTIFY_RESUME	5	/* callback before returning to user */
 #define TIF_RESTORE_SIGMASK	8	/* restore signal mask in do_signal() */
 #define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
@@ -161,7 +160,6 @@ static inline unsigned int get_thread_fault_code(void)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_SINGLESTEP		(1<<TIF_SINGLESTEP)
 #define _TIF_IRET		(1<<TIF_IRET)
-#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)

diff --git a/trunk/arch/m32r/kernel/signal.c b/trunk/arch/m32r/kernel/signal.c
@@ -21,7 +21,6 @@
 #include <linux/stddef.h>
 #include <linux/personality.h>
 #include <linux/freezer.h>
-#include <linux/tracehook.h>
 #include <asm/cacheflush.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
@@ -409,12 +408,5 @@ void do_notify_resume(struct pt_regs *regs, sigset_t *oldset,
 	if (thread_info_flags & _TIF_SIGPENDING)
 		do_signal(regs,oldset);
 
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
-
 	clear_thread_flag(TIF_IRET);
 }
diff --git a/trunk/arch/mips/include/asm/thread_info.h b/trunk/arch/mips/include/asm/thread_info.h
@@ -115,7 +115,6 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
 #define TIF_SYSCALL_AUDIT	3	/* syscall auditing active */
 #define TIF_SECCOMP		4	/* secure computing */
-#define TIF_NOTIFY_RESUME	5	/* callback before returning to user */
 #define TIF_RESTORE_SIGMASK	9	/* restore signal mask in do_signal() */
 #define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
@@ -140,7 +139,6 @@ register struct thread_info *__current_thread_info __asm__("$28");
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
 #define _TIF_SYSCALL_AUDIT	(1<<TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP		(1<<TIF_SECCOMP)
-#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
 #define _TIF_USEDFPU		(1<<TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)

diff --git a/trunk/arch/mips/kernel/signal.c b/trunk/arch/mips/kernel/signal.c
@@ -21,7 +21,6 @@
 #include <linux/compiler.h>
 #include <linux/syscalls.h>
 #include <linux/uaccess.h>
-#include <linux/tracehook.h>
 
 #include <asm/abi.h>
 #include <asm/asm.h>
@@ -701,11 +700,4 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
 	/* deal with pending signal delivery */
 	if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
 		do_signal(regs);
-
-	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
-		clear_thread_flag(TIF_NOTIFY_RESUME);
-		tracehook_notify_resume(regs);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
-	}
 }
diff --git a/trunk/arch/mn10300/kernel/signal.c b/trunk/arch/mn10300/kernel/signal.c
@@ -568,7 +568,5 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
 	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
 		clear_thread_flag(TIF_NOTIFY_RESUME);
 		tracehook_notify_resume(__frame);
-		if (current->replacement_session_keyring)
-			key_replace_session_keyring();
 	}
 }