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Commit e619ae0b authored by Keith Owens's avatar Keith Owens Committed by Tony Luck
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[IA64] MCA/INIT: add an extra thread_info flag 



Add an extra thread_info flag to indicate the special MCA/INIT stacks.
Mainly for debuggers.

Signed-off-by: default avatarKeith Owens <kaos@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent a2a97982

include/asm-ia64/ptrace.h

+1 −1
Original line number Diff line number Diff line
@@ -119,7 +119,7 @@ struct pt_regs { 
	unsigned long ar_unat;		/* interrupted task's NaT register (preserved) */

	unsigned long ar_pfs;		/* prev function state  */

	unsigned long ar_rsc;		/* RSE configuration */

	/* The following two are valid only if cr_ipsr.cpl > 0: */

	/* The following two are valid only if cr_ipsr.cpl > 0 || ti->flags & _TIF_MCA_INIT */

	unsigned long ar_rnat;		/* RSE NaT */

	unsigned long ar_bspstore;	/* RSE bspstore */

include/asm-ia64/thread_info.h

+2 −0
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ struct thread_info { 
#define TIF_SIGDELAYED		5	/* signal delayed from MCA/INIT/NMI/PMI context */

#define TIF_POLLING_NRFLAG	16	/* true if poll_idle() is polling TIF_NEED_RESCHED */

#define TIF_MEMDIE		17

#define TIF_MCA_INIT		18	/* this task is processing MCA or INIT */



#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)

#define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
@@ -85,6 +86,7 @@ struct thread_info { 
#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)

#define _TIF_SIGDELAYED	(1 << TIF_SIGDELAYED)

#define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)

#define _TIF_MCA_INIT		(1 << TIF_MCA_INIT)



/* "work to do on user-return" bits */

#define TIF_ALLWORK_MASK	(_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SIGDELAYED)