diff options
| author | Michael Neuling <mikey@neuling.org> | 2013-02-13 16:21:32 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-02-15 16:58:50 +1100 |
| commit | 8b3c34cf0e0ab334a24aad7367cd06a5ba09a898 (patch) | |
| tree | a0dbebeaee859a25117559f7a4aff9c59224d847 /arch/powerpc/kernel/traps.c | |
| parent | f4c3aff2230bfe696a0683073b77446248d7895c (diff) | |
powerpc: New macros for transactional memory support
This adds new macros for saving and restoring checkpointed architected state
from and to the thread_struct.
It also adds some debugging macros for when your brain explodes trying to debug
your transactional memory enabled kernel.
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index a008cf5c0fc..bd5de5deaf5 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -78,6 +78,13 @@ EXPORT_SYMBOL(__debugger_break_match); EXPORT_SYMBOL(__debugger_fault_handler); #endif +/* Transactional Memory trap debug */ +#ifdef TM_DEBUG_SW +#define TM_DEBUG(x...) printk(KERN_INFO x) +#else +#define TM_DEBUG(x...) do { } while(0) +#endif + /* * Trap & Exception support */ @@ -350,6 +357,7 @@ static inline int check_io_access(struct pt_regs *regs) exception is in the MSR. */ #define get_reason(regs) ((regs)->msr) #define get_mc_reason(regs) ((regs)->msr) +#define REASON_TM 0x200000 #define REASON_FP 0x100000 #define REASON_ILLEGAL 0x80000 #define REASON_PRIVILEGED 0x40000 |