Importing "grsecurity-3.1-3.19.2-201503201903.patch"

[people/ms/linux.git] / arch / mips / include / asm / thread_info.h

diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 99eea59604e984b61907a5a6a82feeca9660a609..8fb00051ad48721dd2f5bc52b332105faf06263f 100644 (file)
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -36,6 +36,7 @@ struct thread_info {
                                                 */
        struct restart_block    restart_block;
        struct pt_regs          *regs;
+       long                    syscall;        /* syscall number */
 };
 
 /*
@@ -105,6 +106,9 @@ static inline struct thread_info *current_thread_info(void)
 #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() */
+/* li takes a 32bit immediate */
+#define TIF_GRSEC_SETXID       10      /* update credentials on syscall entry/exit */
+
 #define TIF_USEDFPU            16      /* FPU was used by this task this quantum (SMP) */
 #define TIF_MEMDIE             18      /* is terminating due to OOM killer */
 #define TIF_NOHZ               19      /* in adaptive nohz mode */
@@ -140,14 +144,16 @@ static inline struct thread_info *current_thread_info(void)
 #define _TIF_USEDMSA           (1<<TIF_USEDMSA)
 #define _TIF_MSA_CTX_LIVE      (1<<TIF_MSA_CTX_LIVE)
 #define _TIF_SYSCALL_TRACEPOINT        (1<<TIF_SYSCALL_TRACEPOINT)
+#define _TIF_GRSEC_SETXID      (1<<TIF_GRSEC_SETXID)
 
 #define _TIF_WORK_SYSCALL_ENTRY        (_TIF_NOHZ | _TIF_SYSCALL_TRACE |       \
                                 _TIF_SYSCALL_AUDIT | \
-                                _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP)
+                                _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \
+                                _TIF_GRSEC_SETXID)
 
 /* work to do in syscall_trace_leave() */
 #define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE |       \
-                                _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT)
+                                _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK         \
@@ -155,7 +161,7 @@ static inline struct thread_info *current_thread_info(void)
 /* work to do on any return to u-space */
 #define _TIF_ALLWORK_MASK      (_TIF_NOHZ | _TIF_WORK_MASK |           \
                                 _TIF_WORK_SYSCALL_EXIT |               \
-                                _TIF_SYSCALL_TRACEPOINT)
+                                _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID)
 
 /*
  * We stash processor id into a COP0 register to retrieve it fast