diff options
| author | David S. Miller <davem@davemloft.net> | 2006-01-31 18:33:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:11:22 -0800 |
| commit | 4da808c352c290d3f762933d44d4ab90c2fd65f3 (patch) | |
| tree | da99326440777580a19c345a5b0d52fbf800042b /arch/sparc64/kernel/etrap.S | |
| parent | 4753eb2ac7022b999e5e484f1a5dc001dba22bd3 (diff) | |
[SPARC64]: Fix bogus flush instruction usage.
Some of the trap code was still assuming that alternate
global %g6 was hard coded with current_thread_info().
Let's just consistently flush at KERNBASE when we need
a pipeline synchronization. That's locked into the TLB
and will always work.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/etrap.S')
| -rw-r--r-- | arch/sparc64/kernel/etrap.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/etrap.S b/arch/sparc64/kernel/etrap.S index 8b3b6d720ed5..db7681017299 100644 --- a/arch/sparc64/kernel/etrap.S +++ b/arch/sparc64/kernel/etrap.S @@ -72,7 +72,8 @@ etrap_irq: sethi %hi(sparc64_kern_pri_context), %g2 ldx [%g2 + %lo(sparc64_kern_pri_context)], %g3 stxa %g3, [%l4] ASI_DMMU - flush %l6 + sethi %hi(KERNBASE), %l4 + flush %l4 wr %g0, ASI_AIUS, %asi 2: wrpr %g0, 0x0, %tl mov %g4, %l4 @@ -215,7 +216,8 @@ scetrap: sethi %hi(sparc64_kern_pri_context), %g2 ldx [%g2 + %lo(sparc64_kern_pri_context)], %g3 stxa %g3, [%l4] ASI_DMMU - flush %l6 + sethi %hi(KERNBASE), %l4 + flush %l4 mov ASI_AIUS, %l7 2: mov %g4, %l4 |