From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Owens Date: Tue, 30 Aug 2005 05:04:24 +0000 Subject: [PATCH 2.6.13 2/7] MCA/INIT: add an extra thread_info flag Message-Id: <20050830050424.7997.56925.sendpatchset@kao2.melbourne.sgi.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Add an extra thread_info flag to indicate the special MCA/INIT stacks. Mainly for debuggers. Signed-off-by: Keith Owens --- ptrace.h | 2 +- thread_info.h | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) Index: linux/include/asm-ia64/ptrace.h =================================--- linux.orig/include/asm-ia64/ptrace.h 2005-06-18 05:48:29.000000000 +1000 +++ linux/include/asm-ia64/ptrace.h 2005-08-01 12:25:33.360883229 +1000 @@ -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 */ Index: linux/include/asm-ia64/thread_info.h =================================--- linux.orig/include/asm-ia64/thread_info.h 2005-08-01 11:49:13.053126287 +1000 +++ linux/include/asm-ia64/thread_info.h 2005-08-01 12:25:48.541555064 +1000 @@ -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)