diff options
| author | David S. Miller <davem@davemloft.net> | 2006-06-20 01:20:00 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-06-20 01:20:00 -0700 |
| commit | fd0504c3217d6d1bc8f33f53fb536299cae8feda (patch) | |
| tree | 4379f5376358d1f54fc183f458614f289ed6d326 /arch/sparc64/kernel/sun4v_ivec.S | |
| parent | 3185d4d2873a46ca1620d784013f285522091aa0 (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/sun4v_ivec.S')
| -rw-r--r-- | arch/sparc64/kernel/sun4v_ivec.S | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/sparc64/kernel/sun4v_ivec.S b/arch/sparc64/kernel/sun4v_ivec.S index b49a68bdda43..f70e4774649d 100644 --- a/arch/sparc64/kernel/sun4v_ivec.S +++ b/arch/sparc64/kernel/sun4v_ivec.S @@ -5,6 +5,7 @@ #include <asm/cpudata.h> #include <asm/intr_queue.h> +#include <asm/pil.h> .text .align 32 @@ -106,19 +107,13 @@ sun4v_dev_mondo: or %g4, %lo(ivector_table), %g4 add %g4, %g3, %g4 - /* Load IRQ %pil into %g5. */ - ldub [%g4 + 0x04], %g5 - /* Insert ivector_table[] entry into __irq_work[] queue. */ - sllx %g5, 2, %g3 - lduw [%g1 + %g3], %g2 /* g2 = irq_work(cpu, pil) */ + lduw [%g1], %g2 /* g2 = irq_work(cpu) */ stw %g2, [%g4 + 0x00] /* bucket->irq_chain = g2 */ - stw %g4, [%g1 + %g3] /* irq_work(cpu, pil) = bucket */ + stw %g4, [%g1] /* irq_work(cpu) = bucket */ /* Signal the interrupt by setting (1 << pil) in %softint. */ - mov 1, %g2 - sllx %g2, %g5, %g2 - wr %g2, 0x0, %set_softint + wr %g0, 1 << PIL_DEVICE_IRQ, %set_softint sun4v_dev_mondo_queue_empty: retry |