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powerpc/tm: Update cause codes documentation

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Signed-off-by: Michael Neuling <mikey@neuling.org>
Cc: <stable@vger.kernel.org> # 3.9 only
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Michael Neuling 2013-05-26 18:09:38 +00:00 committed by Benjamin Herrenschmidt
parent 35f7097fce
commit 24b92375dc
1 changed files with 1 additions and 0 deletions
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Documentation/powerpc/transactional_memory.txt
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@ -155,6 +155,7 @@ These are defined in <asm/reg.h>, and distinguish different reasons why the
kernel aborted a transaction:
TM_CAUSE_RESCHED Thread was rescheduled.
TM_CAUSE_TLBI Software TLB invalide.
TM_CAUSE_FAC_UNAV FP/VEC/VSX unavailable trap.
TM_CAUSE_SYSCALL Currently unused; future syscalls that must abort
transactions for consistency will use this.