patch-2.4.20 linux-2.4.20/arch/mips64/sgi-ip27/ip27-klnuma.c

• Lines: 144
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/arch/mips64/sgi-ip27/ip27-klnuma.c
• Orig date: Sun Sep 9 10:43:02 2001

diff -urN linux-2.4.19/arch/mips64/sgi-ip27/ip27-klnuma.c linux-2.4.20/arch/mips64/sgi-ip27/ip27-klnuma.c
@@ -1,143 +0,0 @@
-/*
- * Ported from IRIX to Linux by Kanoj Sarcar, 06/08/00.
- * Copyright 2000 - 2001 Silicon Graphics, Inc.
- * Copyright 2000 - 2001 Kanoj Sarcar (kanoj@sgi.com)
- */
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/mmzone.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-
-#include <asm/page.h>
-#include <asm/smp.h>
-#include <asm/sn/types.h>
-#include <asm/sn/arch.h>
-#include <asm/sn/gda.h>
-#include <asm/mmzone.h>
-#include <asm/sn/klkernvars.h>
-#include <asm/sn/mapped_kernel.h>
-#include <asm/sn/sn_private.h>
-
-extern char _end;
-static cpumask_t ktext_repmask;
-
-/*
- * XXX - This needs to be much smarter about where it puts copies of the
- * kernel.  For example, we should never put a copy on a headless node,
- * and we should respect the topology of the machine.
- */
-void __init setup_replication_mask(int maxnodes)
-{
-	static int 	numa_kernel_replication_ratio;
-	cnodeid_t	cnode;
-
-	/* Set only the master cnode's bit.  The master cnode is always 0. */
-	CPUMASK_CLRALL(ktext_repmask);
-	CPUMASK_SETB(ktext_repmask, 0);
-
-	numa_kernel_replication_ratio = 0;
-#ifdef CONFIG_REPLICATE_KTEXT
-#ifndef CONFIG_MAPPED_KERNEL
-#error Kernel replication works with mapped kernel support. No calias support.
-#endif
-	numa_kernel_replication_ratio = 1;
-#endif
-
-	for (cnode = 1; cnode < numnodes; cnode++) {
-		/* See if this node should get a copy of the kernel */
-		if (numa_kernel_replication_ratio &&
-		    !(cnode % numa_kernel_replication_ratio)) {
-
-			/* Advertise that we have a copy of the kernel */
-			CPUMASK_SETB(ktext_repmask, cnode);
-		}
-	}
-
-	/* Set up a GDA pointer to the replication mask. */
-	GDA->g_ktext_repmask = &ktext_repmask;
-}
-
-
-static __init void set_ktext_source(nasid_t client_nasid, nasid_t server_nasid)
-{
-	kern_vars_t *kvp;
-	cnodeid_t client_cnode;
-
-	client_cnode = NASID_TO_COMPACT_NODEID(client_nasid);
-	
-	kvp = &(PLAT_NODE_DATA(client_cnode)->kern_vars);
-
-	KERN_VARS_ADDR(client_nasid) = (unsigned long)kvp;
-
-	kvp->kv_magic = KV_MAGIC;
-
-	kvp->kv_ro_nasid = server_nasid;
-	kvp->kv_rw_nasid = master_nasid;
-	kvp->kv_ro_baseaddr = NODE_CAC_BASE(server_nasid);
-	kvp->kv_rw_baseaddr = NODE_CAC_BASE(master_nasid);
-	printk("REPLICATION: ON nasid %d, ktext from nasid %d, kdata from nasid %d\n", client_nasid, server_nasid, master_nasid);
-}
-
-/* XXX - When the BTE works, we should use it instead of this. */
-static __init void copy_kernel(nasid_t dest_nasid)
-{
-	extern char _stext, _etext;
-	unsigned long dest_kern_start, source_start, source_end, kern_size;
-
-	source_start = (unsigned long)&_stext;
-	source_end = (unsigned long)&_etext;
-	kern_size = source_end - source_start;
-
-	dest_kern_start = CHANGE_ADDR_NASID(MAPPED_KERN_RO_TO_K0(source_start),
-					    dest_nasid);
-	memcpy((void *)dest_kern_start, (void *)source_start, kern_size);
-}
-
-void __init replicate_kernel_text(int maxnodes)
-{
-	cnodeid_t cnode;
-	nasid_t client_nasid;
-	nasid_t server_nasid;
-
-	server_nasid = master_nasid;
-
-	/* Record where the master node should get its kernel text */
-	set_ktext_source(master_nasid, master_nasid);
-
-	for (cnode = 1; cnode < maxnodes; cnode++) {
-		client_nasid = COMPACT_TO_NASID_NODEID(cnode);
-
-		/* Check if this node should get a copy of the kernel */
-		if (CPUMASK_TSTB(ktext_repmask, cnode)) {
-			server_nasid = client_nasid;
-			copy_kernel(server_nasid);
-		}
-
-		/* Record where this node should get its kernel text */
-		set_ktext_source(client_nasid, server_nasid);
-	}
-}
-
-/*
- * Return pfn of first free page of memory on a node. PROM may allocate
- * data structures on the first couple of pages of the first slot of each 
- * node. If this is the case, getfirstfree(node) > getslotstart(node, 0).
- */
-pfn_t node_getfirstfree(cnodeid_t cnode)
-{
-	unsigned long loadbase = CKSEG0;
-	nasid_t nasid = COMPACT_TO_NASID_NODEID(cnode);
-	unsigned long offset;
-
-#ifdef CONFIG_MAPPED_KERNEL
-	loadbase = CKSSEG + 16777216;
-#endif
-	offset = PAGE_ALIGN((unsigned long)(&_end)) - loadbase;
-	if ((cnode == 0) || (CPUMASK_TSTB(ktext_repmask, cnode)))
-		return (TO_NODE(nasid, offset) >> PAGE_SHIFT);
-	else
-		return (KDM_TO_PHYS(PAGE_ALIGN(SYMMON_STK_ADDR(nasid, 0))) >> 
-								PAGE_SHIFT);
-}
-