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| author | David S. Miller <davem@davemloft.net> | 2009-04-01 10:47:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-06-16 13:56:11 +0200 |
| commit | 5a5488d3bb9a23d9884572e5d85dfeefe8749d3d (patch) | |
| tree | afa8db75cdf771257cd5541ed80a606df60f9cf8 /arch/sparc/kernel/traps_64.c | |
| parent | sparc64: Move trap_block[] definitions into a new header file. (diff) | |
| download | linux-5a5488d3bb9a23d9884572e5d85dfeefe8749d3d.tar.xz linux-5a5488d3bb9a23d9884572e5d85dfeefe8749d3d.zip | |
sparc64: Store per-cpu offset in trap_block[]
Surprisingly this actually makes LOAD_PER_CPU_BASE() a little
more efficient.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/traps_64.c')
| -rw-r--r-- | arch/sparc/kernel/traps_64.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c index d809c4ebb48f..d073aabf65ed 100644 --- a/arch/sparc/kernel/traps_64.c +++ b/arch/sparc/kernel/traps_64.c @@ -2509,6 +2509,7 @@ void do_getpsr(struct pt_regs *regs) } struct trap_per_cpu trap_block[NR_CPUS]; +EXPORT_SYMBOL(trap_block); /* This can get invoked before sched_init() so play it super safe * and use hard_smp_processor_id(). @@ -2592,7 +2593,9 @@ void __init trap_init(void) (TRAP_PER_CPU_RESUM_QMASK != offsetof(struct trap_per_cpu, resum_qmask)) || (TRAP_PER_CPU_NONRESUM_QMASK != - offsetof(struct trap_per_cpu, nonresum_qmask))) + offsetof(struct trap_per_cpu, nonresum_qmask)) || + (TRAP_PER_CPU_PER_CPU_BASE != + offsetof(struct trap_per_cpu, __per_cpu_base))) trap_per_cpu_offsets_are_bolixed_dave(); if ((TSB_CONFIG_TSB != |