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authorDavid S. Miller <davem@davemloft.net>2006-06-20 01:20:00 -0700
committerDavid S. Miller <davem@davemloft.net>2006-06-20 01:20:00 -0700
commitfd0504c3217d6d1bc8f33f53fb536299cae8feda (patch)
tree4379f5376358d1f54fc183f458614f289ed6d326 /arch/sparc64/kernel/entry.S
parent3185d4d2873a46ca1620d784013f285522091aa0 (diff)
[SPARC64]: Send all device interrupts via one PIL.
This is the first in a series of cleanups that will hopefully allow a seamless attempt at using the generic IRQ handling infrastructure in the Linux kernel. Define PIL_DEVICE_IRQ and vector all device interrupts through there. Get rid of the ugly pil0_dummy_{bucket,desc}, instead vector the timer interrupt directly to a specific handler since the timer interrupt is the only event that will be signaled on PIL 14. The irq_worklist is now in the per-cpu trap_block[]. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/entry.S')
-rw-r--r--arch/sparc64/kernel/entry.S11
1 files changed, 4 insertions, 7 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 6d0b3ed77a0..c87365e59e7 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -22,6 +22,7 @@
#include <asm/estate.h>
#include <asm/auxio.h>
#include <asm/sfafsr.h>
+#include <asm/pil.h>
#define curptr g6
@@ -434,17 +435,13 @@ do_ivec:
sllx %g3, 5, %g3
or %g2, %lo(ivector_table), %g2
add %g2, %g3, %g3
- ldub [%g3 + 0x04], %g4 /* pil */
- mov 1, %g2
- sllx %g2, %g4, %g2
- sllx %g4, 2, %g4
TRAP_LOAD_IRQ_WORK(%g6, %g1)
- lduw [%g6 + %g4], %g5 /* g5 = irq_work(cpu, pil) */
+ lduw [%g6], %g5 /* g5 = irq_work(cpu) */
stw %g5, [%g3 + 0x00] /* bucket->irq_chain = g5 */
- stw %g3, [%g6 + %g4] /* irq_work(cpu, pil) = bucket */
- wr %g2, 0x0, %set_softint
+ stw %g3, [%g6] /* irq_work(cpu) = bucket */
+ wr %g0, 1 << PIL_DEVICE_IRQ, %set_softint
retry
do_ivec_xcall:
mov 0x50, %g1