diff options
| author | Olof Johansson <olof@lixom.net> | 2007-04-24 01:11:55 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-04-24 22:06:59 +1000 |
| commit | 687304014f7ca8e2fbb3feaefef356b4a0da65ad (patch) | |
| tree | 2212a33688e74d8c8bef0affe67cabbf5a14e03c /include/asm-powerpc | |
| parent | 6cfef5b27e49e826125f12637ee0d7210a896044 (diff) | |
| download | linux-687304014f7ca8e2fbb3feaefef356b4a0da65ad.tar.gz linux-687304014f7ca8e2fbb3feaefef356b4a0da65ad.tar.bz2 linux-687304014f7ca8e2fbb3feaefef356b4a0da65ad.zip | |
[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')
| -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 { u64 stab_rr; /* stab/slb round-robin counter */ u64 saved_r1; /* r1 save for RTAS calls */ u64 saved_msr; /* MSR saved here by enter_rtas */ + u16 trap_save; /* Used when bad stack is encountered */ u8 soft_enabled; /* irq soft-enable flag */ u8 hard_enabled; /* set if irqs are enabled in MSR */ u8 io_sync; /* writel() needs spin_unlock sync */ |