diff options
| author | David S. Miller | 2006-02-02 10:20:18 +0100 |
|---|---|---|
| committer | David S. Miller | 2006-03-20 10:11:33 +0100 |
| commit | 7bec08e38a7d0f088994f6eec9b6374652ea71fb (patch) | |
| tree | df0c24e8417d08aff3d3de7d9dc7b13c4e05931b /arch/sparc64/kernel/ttable.S | |
| parent | [SPARC64]: Access TSB with physical addresses when possible. (diff) | |
| download | kernel-qcow2-linux-7bec08e38a7d0f088994f6eec9b6374652ea71fb.tar.gz kernel-qcow2-linux-7bec08e38a7d0f088994f6eec9b6374652ea71fb.tar.xz kernel-qcow2-linux-7bec08e38a7d0f088994f6eec9b6374652ea71fb.zip | |
[SPARC64]: Correctable ECC errors cannot occur at trap level > 0.
The are distrupting, which by the sparc v9 definition means they
can only occur when interrupts are enabled in the %pstate register.
This never occurs in any of the trap handling code running at
trap levels > 0.
So just mark it as an unexpected trap.
This allows us to kill off the cee_stuff member of struct thread_info.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/ttable.S')
| -rw-r--r-- | arch/sparc64/kernel/ttable.S | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/arch/sparc64/kernel/ttable.S b/arch/sparc64/kernel/ttable.S index 2fb7a33993c0..99531424c598 100644 --- a/arch/sparc64/kernel/ttable.S +++ b/arch/sparc64/kernel/ttable.S @@ -222,23 +222,7 @@ tl1_resv05c: BTRAPTL1(0x5c) BTRAPTL1(0x5d) BTRAPTL1(0x5e) BTRAPTL1(0x5f) tl1_ivec: TRAP_IVEC tl1_paw: TRAPTL1(do_paw_tl1) tl1_vaw: TRAPTL1(do_vaw_tl1) - - /* The grotty trick to save %g1 into current->thread.cee_stuff - * is because when we take this trap we could be interrupting - * trap code already using the trap alternate global registers. - * - * We cross our fingers and pray that this store/load does - * not cause yet another CEE trap. - */ -tl1_cee: membar #Sync - stx %g1, [%g6 + TI_CEE_STUFF] - ldxa [%g0] ASI_AFSR, %g1 - membar #Sync - stxa %g1, [%g0] ASI_AFSR - membar #Sync - ldx [%g6 + TI_CEE_STUFF], %g1 - retry - +tl1_cee: BTRAPTL1(0x63) tl1_iamiss: BTRAPTL1(0x64) BTRAPTL1(0x65) BTRAPTL1(0x66) BTRAPTL1(0x67) tl1_damiss: #include "dtlb_miss.S" |