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[PATCH] kdump: dynamic per cpu allocation of memory for saving cpu registers
[powerpc.git]
/
include
/
asm-powerpc
/
thread_info.h
diff --git
a/include/asm-powerpc/thread_info.h
b/include/asm-powerpc/thread_info.h
index
e525f49
..
ac1e80e
100644
(file)
--- a/
include/asm-powerpc/thread_info.h
+++ b/
include/asm-powerpc/thread_info.h
@@
-37,8
+37,7
@@
struct thread_info {
int preempt_count; /* 0 => preemptable,
<0 => BUG */
struct restart_block restart_block;
int preempt_count; /* 0 => preemptable,
<0 => BUG */
struct restart_block restart_block;
- /* set by force_successful_syscall_return */
- unsigned char syscall_noerror;
+ void *nvgprs_frame;
/* low level flags - has atomic operations done on it */
unsigned long flags ____cacheline_aligned_in_smp;
};
/* low level flags - has atomic operations done on it */
unsigned long flags ____cacheline_aligned_in_smp;
};
@@
-123,6
+122,9
@@
static inline struct thread_info *current_thread_info(void)
#define TIF_SINGLESTEP 9 /* singlestepping active */
#define TIF_MEMDIE 10
#define TIF_SECCOMP 11 /* secure computing */
#define TIF_SINGLESTEP 9 /* singlestepping active */
#define TIF_MEMDIE 10
#define TIF_SECCOMP 11 /* secure computing */
+#define TIF_RESTOREALL 12 /* Restore all regs (implies NOERROR) */
+#define TIF_SAVE_NVGPRS 13 /* Save r14-r31 in signal frame */
+#define TIF_NOERROR 14 /* Force successful syscall return */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
@@
-136,10
+138,14
@@
static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
#define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
+#define _TIF_RESTOREALL (1<<TIF_RESTOREALL)
+#define _TIF_SAVE_NVGPRS (1<<TIF_SAVE_NVGPRS)
+#define _TIF_NOERROR (1<<TIF_NOERROR)
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
#define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP)
#define _TIF_USER_WORK_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | \
- _TIF_NEED_RESCHED)
+ _TIF_NEED_RESCHED | _TIF_RESTOREALL)
+#define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR|_TIF_SAVE_NVGPRS)
#endif /* __KERNEL__ */
#endif /* __KERNEL__ */