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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
[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: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
authored by
Keith Owens
and committed by
Tony Luck
e619ae0b
a2a97982
+1
-1
include/asm-ia64/ptrace.h
+1
-1
include/asm-ia64/ptrace.h
···
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unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
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unsigned long ar_pfs; /* prev function state */
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unsigned long ar_rsc; /* RSE configuration */
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-
/* The following two are valid only if cr_ipsr.cpl > 0: */
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+
/* The following two are valid only if cr_ipsr.cpl > 0 || ti->flags & _TIF_MCA_INIT */
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unsigned long ar_rnat; /* RSE NaT */
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unsigned long ar_bspstore; /* RSE bspstore */
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+2
include/asm-ia64/thread_info.h
+2
include/asm-ia64/thread_info.h
···
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#define TIF_SIGDELAYED 5 /* signal delayed from MCA/INIT/NMI/PMI context */
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#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */
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#define TIF_MEMDIE 17
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#define TIF_MCA_INIT 18 /* this task is processing MCA or INIT */
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#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
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#define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
···
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#define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED)
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#define _TIF_SIGDELAYED (1 << TIF_SIGDELAYED)
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#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
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+
#define _TIF_MCA_INIT (1 << TIF_MCA_INIT)
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/* "work to do on user-return" bits */
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#define TIF_ALLWORK_MASK (_TIF_NOTIFY_RESUME|_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SIGDELAYED)