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-rw-r--r--arch/sparc64/mm/fault.c5
-rw-r--r--arch/sparc64/mm/hugetlbpage.c12
-rw-r--r--arch/sparc64/mm/init.c48
-rw-r--r--arch/sparc64/mm/tsb.c11
-rw-r--r--arch/sparc64/mm/ultra.S47
5 files changed, 28 insertions, 95 deletions
diff --git a/arch/sparc64/mm/fault.c b/arch/sparc64/mm/fault.c
index 236f4d228d2..ea7d7ae76bc 100644
--- a/arch/sparc64/mm/fault.c
+++ b/arch/sparc64/mm/fault.c
@@ -1,7 +1,7 @@
/*
* arch/sparc64/mm/fault.c: Page fault handlers for the 64-bit Sparc.
*
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1996, 2008 David S. Miller (davem@davemloft.net)
* Copyright (C) 1997, 1999 Jakub Jelinek (jj@ultra.linux.cz)
*/
@@ -18,7 +18,6 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/kprobes.h>
-#include <linux/kallsyms.h>
#include <linux/kdebug.h>
#include <asm/page.h>
@@ -115,7 +114,7 @@ static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
regs->tpc);
printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]);
- print_symbol("RPC: <%s>\n", regs->u_regs[15]);
+ printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]);
printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr);
dump_stack();
unhandled_fault(regs->tpc, current, regs);
diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c
index 6cfab2e4d34..f27d10369e0 100644
--- a/arch/sparc64/mm/hugetlbpage.c
+++ b/arch/sparc64/mm/hugetlbpage.c
@@ -175,7 +175,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
return -ENOMEM;
if (flags & MAP_FIXED) {
- if (prepare_hugepage_range(addr, len))
+ if (prepare_hugepage_range(file, addr, len))
return -EINVAL;
return addr;
}
@@ -195,7 +195,8 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
pgoff, flags);
}
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
+pte_t *huge_pte_alloc(struct mm_struct *mm,
+ unsigned long addr, unsigned long sz)
{
pgd_t *pgd;
pud_t *pud;
@@ -294,6 +295,11 @@ int pmd_huge(pmd_t pmd)
return 0;
}
+int pud_huge(pud_t pud)
+{
+ return 0;
+}
+
struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
pmd_t *pmd, int write)
{
@@ -344,7 +350,7 @@ void hugetlb_prefault_arch_hook(struct mm_struct *mm)
* also executing in this address space.
*/
mm->context.sparc64_ctx_val = ctx;
- on_each_cpu(context_reload, mm, 0, 0);
+ on_each_cpu(context_reload, mm, 0);
}
spin_unlock(&ctx_alloc_lock);
}
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 84898c44dd4..4e821b3ecb0 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -392,51 +392,6 @@ void __kprobes flush_icache_range(unsigned long start, unsigned long end)
}
}
-void show_mem(void)
-{
- unsigned long total = 0, reserved = 0;
- unsigned long shared = 0, cached = 0;
- pg_data_t *pgdat;
-
- printk(KERN_INFO "Mem-info:\n");
- show_free_areas();
- printk(KERN_INFO "Free swap: %6ldkB\n",
- nr_swap_pages << (PAGE_SHIFT-10));
- for_each_online_pgdat(pgdat) {
- unsigned long i, flags;
-
- pgdat_resize_lock(pgdat, &flags);
- for (i = 0; i < pgdat->node_spanned_pages; i++) {
- struct page *page = pgdat_page_nr(pgdat, i);
- total++;
- if (PageReserved(page))
- reserved++;
- else if (PageSwapCache(page))
- cached++;
- else if (page_count(page))
- shared += page_count(page) - 1;
- }
- pgdat_resize_unlock(pgdat, &flags);
- }
-
- printk(KERN_INFO "%lu pages of RAM\n", total);
- printk(KERN_INFO "%lu reserved pages\n", reserved);
- printk(KERN_INFO "%lu pages shared\n", shared);
- printk(KERN_INFO "%lu pages swap cached\n", cached);
-
- printk(KERN_INFO "%lu pages dirty\n",
- global_page_state(NR_FILE_DIRTY));
- printk(KERN_INFO "%lu pages writeback\n",
- global_page_state(NR_WRITEBACK));
- printk(KERN_INFO "%lu pages mapped\n",
- global_page_state(NR_FILE_MAPPED));
- printk(KERN_INFO "%lu pages slab\n",
- global_page_state(NR_SLAB_RECLAIMABLE) +
- global_page_state(NR_SLAB_UNRECLAIMABLE));
- printk(KERN_INFO "%lu pages pagetables\n",
- global_page_state(NR_PAGETABLE));
-}
-
void mmu_info(struct seq_file *m)
{
if (tlb_type == cheetah)
@@ -788,7 +743,6 @@ int numa_cpu_lookup_table[NR_CPUS];
cpumask_t numa_cpumask_lookup_table[MAX_NUMNODES];
#ifdef CONFIG_NEED_MULTIPLE_NODES
-static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
struct mdesc_mblock {
u64 base;
@@ -871,7 +825,7 @@ static void __init allocate_node_data(int nid)
NODE_DATA(nid) = __va(paddr);
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
- NODE_DATA(nid)->bdata = &plat_node_bdata[nid];
+ NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
#endif
p = NODE_DATA(nid);
diff --git a/arch/sparc64/mm/tsb.c b/arch/sparc64/mm/tsb.c
index fe70c8a557b..587f8efb2e0 100644
--- a/arch/sparc64/mm/tsb.c
+++ b/arch/sparc64/mm/tsb.c
@@ -1,9 +1,10 @@
/* arch/sparc64/mm/tsb.c
*
- * Copyright (C) 2006 David S. Miller <davem@davemloft.net>
+ * Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/kernel.h>
+#include <linux/preempt.h>
#include <asm/system.h>
#include <asm/page.h>
#include <asm/tlbflush.h>
@@ -96,12 +97,6 @@ void flush_tsb_user(struct mmu_gather *mp)
#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB)
#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_64K
#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_64K
-#elif defined(CONFIG_SPARC64_PAGE_SIZE_512KB)
-#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_512K
-#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_512K
-#elif defined(CONFIG_SPARC64_PAGE_SIZE_4MB)
-#define HV_PGSZ_IDX_BASE HV_PGSZ_IDX_4MB
-#define HV_PGSZ_MASK_BASE HV_PGSZ_MASK_4MB
#else
#error Broken base page size setting...
#endif
@@ -421,7 +416,9 @@ retry_tsb_alloc:
tsb_context_switch(mm);
/* Now force other processors to do the same. */
+ preempt_disable();
smp_tsb_sync(mm);
+ preempt_enable();
/* Now it is safe to free the old tsb. */
kmem_cache_free(tsb_caches[old_cache_index], old_tsb);
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S
index 9bb2d90a9df..ff1dc44d363 100644
--- a/arch/sparc64/mm/ultra.S
+++ b/arch/sparc64/mm/ultra.S
@@ -480,41 +480,6 @@ xcall_sync_tick:
b rtrap_xcall
ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
- /* NOTE: This is SPECIAL!! We do etrap/rtrap however
- * we choose to deal with the "BH's run with
- * %pil==15" problem (described in asm/pil.h)
- * by just invoking rtrap directly past where
- * BH's are checked for.
- *
- * We do it like this because we do not want %pil==15
- * lockups to prevent regs being reported.
- */
- .globl xcall_report_regs
-xcall_report_regs:
-
-661: rdpr %pstate, %g2
- wrpr %g2, PSTATE_IG | PSTATE_AG, %pstate
- .section .sun4v_2insn_patch, "ax"
- .word 661b
- nop
- nop
- .previous
-
- rdpr %pil, %g2
- wrpr %g0, 15, %pil
- sethi %hi(109f), %g7
- b,pt %xcc, etrap_irq
-109: or %g7, %lo(109b), %g7
-#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_off
- nop
-#endif
- call __show_regs
- add %sp, PTREGS_OFF, %o0
- /* Has to be a non-v9 branch due to the large distance. */
- b rtrap_xcall
- ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
-
#ifdef CONFIG_MAGIC_SYSRQ
.globl xcall_fetch_glob_regs
xcall_fetch_glob_regs:
@@ -531,6 +496,13 @@ xcall_fetch_glob_regs:
stx %g7, [%g1 + GR_SNAP_TNPC]
stx %o7, [%g1 + GR_SNAP_O7]
stx %i7, [%g1 + GR_SNAP_I7]
+ /* Don't try this at home kids... */
+ rdpr %cwp, %g2
+ sub %g2, 1, %g7
+ wrpr %g7, %cwp
+ mov %i7, %g7
+ wrpr %g2, %cwp
+ stx %g7, [%g1 + GR_SNAP_RPC]
sethi %hi(trap_block), %g7
or %g7, %lo(trap_block), %g7
sllx %g2, TRAP_BLOCK_SZ_SHIFT, %g2
@@ -688,6 +660,11 @@ xcall_call_function:
wr %g0, (1 << PIL_SMP_CALL_FUNC), %set_softint
retry
+ .globl xcall_call_function_single
+xcall_call_function_single:
+ wr %g0, (1 << PIL_SMP_CALL_FUNC_SNGL), %set_softint
+ retry
+
.globl xcall_receive_signal
xcall_receive_signal:
wr %g0, (1 << PIL_SMP_RECEIVE_SIGNAL), %set_softint
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-11 16:59:26 +0000