From f03b8a546868fcf43feb455b69b152eb867606b2 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Wed, 15 Feb 2006 00:35:50 -0800 Subject: [SPARC64]: Use different cache sizing defaults on SUN4V. Signed-off-by: David S. Miller --- arch/sparc64/kernel/smp.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) (limited to 'arch/sparc64/kernel/smp.c') diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index c280e67..64046d3 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -78,7 +78,7 @@ void smp_bogo(struct seq_file *m) void __init smp_store_cpu_info(int id) { - int cpu_node; + int cpu_node, def; /* multiplier and counter set by smp_setup_percpu_timer() */ @@ -90,18 +90,32 @@ void __init smp_store_cpu_info(int id) cpu_data(id).idle_volume = 1; + def = ((tlb_type == hypervisor) ? (8 * 1024) : (16 * 1024)); cpu_data(id).dcache_size = prom_getintdefault(cpu_node, "dcache-size", - 16 * 1024); + def); + + def = 32; cpu_data(id).dcache_line_size = - prom_getintdefault(cpu_node, "dcache-line-size", 32); + prom_getintdefault(cpu_node, "dcache-line-size", def); + + def = 16 * 1024; cpu_data(id).icache_size = prom_getintdefault(cpu_node, "icache-size", - 16 * 1024); + def); + + def = 32; cpu_data(id).icache_line_size = - prom_getintdefault(cpu_node, "icache-line-size", 32); + prom_getintdefault(cpu_node, "icache-line-size", def); + + def = ((tlb_type == hypervisor) ? + (3 * 1024 * 1024) : + (4 * 1024 * 1024)); cpu_data(id).ecache_size = prom_getintdefault(cpu_node, "ecache-size", - 4 * 1024 * 1024); + def); + + def = 64; cpu_data(id).ecache_line_size = - prom_getintdefault(cpu_node, "ecache-line-size", 64); + prom_getintdefault(cpu_node, "ecache-line-size", def); + printk("CPU[%d]: Caches " "D[sz(%d):line_sz(%d)] " "I[sz(%d):line_sz(%d)] " -- cgit v1.1