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authorKeith Owens <kaos@sgi.com>2005-09-11 17:20:14 +1000
committerTony Luck <tony.luck@intel.com>2005-09-11 14:02:10 -0700
commite619ae0b96b6ace6629a6a0c6a5db23861ddaa78 (patch)
tree3d3ce1a66a6664646a05d112b830e5750d51e91a /include
parenta2a979821b6ab75a4f143cfaa1c4672cc259ec10 (diff)
[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>
Diffstat (limited to 'include')
-rw-r--r--include/asm-ia64/ptrace.h2
-rw-r--r--include/asm-ia64/thread_info.h2
2 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index c8766def9ee..fc544929ac3 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -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 */
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index b2c79f0694f..cf4a950a0f4 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -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)