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[SPARC64]: Sun4v cross-call sending support.

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Technically the hypervisor call supports sending in a list
of all cpus to get the cross-call, but I only pass in one
cpu at a time for now.

The multi-cpu support is there, just ifdef'd out so it's easy to
enable or delete it later.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2006-02-08 16:41:20 -08:00
parent 5b0c0572fc
commit 1d2f1f90a1
4 changed files with 163 additions and 4 deletions
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6
arch/sparc64/kernel/traps.c
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@@ -2377,7 +2377,11 @@ void __init trap_init(void)
(TRAP_PER_CPU_NONRESUM_KBUF_PA !=
offsetof(struct trap_per_cpu, nonresum_kernel_buf_pa)) ||
(TRAP_PER_CPU_FAULT_INFO !=
offsetof(struct trap_per_cpu, fault_info)))
offsetof(struct trap_per_cpu, fault_info)) ||
(TRAP_PER_CPU_CPU_MONDO_BLOCK_PA !=
offsetof(struct trap_per_cpu, cpu_mondo_block_pa)) ||
(TRAP_PER_CPU_CPU_LIST_PA !=
offsetof(struct trap_per_cpu, cpu_list_pa)))
trap_per_cpu_offsets_are_bolixed_dave();
/* Attach to the address space of init_task. On SMP we