diff options
| author | Olof Johansson <olof@lixom.net> | 2007-04-23 11:11:55 -0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-04-24 08:06:59 -0400 |
| commit | 687304014f7ca8e2fbb3feaefef356b4a0da65ad (patch) | |
| tree | 2212a33688e74d8c8bef0affe67cabbf5a14e03c /include/asm-powerpc/paca.h | |
| parent | 6cfef5b27e49e826125f12637ee0d7210a896044 (diff) | |
[POWERPC] Save trap number in bad_stack
Save the trap number in the case of getting a bad stack in an exception
handler. It is sometimes useful to know what exception it was that caused
this to happen. Without this, no trap number is reported.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/paca.h')
| -rw-r--r-- | include/asm-powerpc/paca.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index 4de851d91f96..cf95274f735e 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h | |||
| @@ -94,6 +94,7 @@ struct paca_struct { | |||
| 94 | u64 stab_rr; /* stab/slb round-robin counter */ | 94 | u64 stab_rr; /* stab/slb round-robin counter */ |
| 95 | u64 saved_r1; /* r1 save for RTAS calls */ | 95 | u64 saved_r1; /* r1 save for RTAS calls */ |
| 96 | u64 saved_msr; /* MSR saved here by enter_rtas */ | 96 | u64 saved_msr; /* MSR saved here by enter_rtas */ |
| 97 | u16 trap_save; /* Used when bad stack is encountered */ | ||
| 97 | u8 soft_enabled; /* irq soft-enable flag */ | 98 | u8 soft_enabled; /* irq soft-enable flag */ |
| 98 | u8 hard_enabled; /* set if irqs are enabled in MSR */ | 99 | u8 hard_enabled; /* set if irqs are enabled in MSR */ |
| 99 | u8 io_sync; /* writel() needs spin_unlock sync */ | 100 | u8 io_sync; /* writel() needs spin_unlock sync */ |