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authorIngo Molnar <mingo@elte.hu>2010-10-30 12:43:08 +0400
committerIngo Molnar <mingo@elte.hu>2010-10-30 12:43:08 +0400
commit169ed55bd30305b933f52bfab32a58671d44ab68 (patch)
tree32e280957474f458901abfce16fa2a1687ef7497 /arch/sparc/mm
parent3d7851b3cdd43a734e5cc4c643fd886ab28ad4d5 (diff)
parent45f81b1c96d9793e47ce925d257ea693ce0b193e (diff)
downloadlinux-169ed55bd30305b933f52bfab32a58671d44ab68.tar.xz
Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/highmem.c48
-rw-r--r--arch/sparc/mm/init_64.c2
-rw-r--r--arch/sparc/mm/srmmu.c8
-rw-r--r--arch/sparc/mm/sun4c.c2
4 files changed, 35 insertions, 25 deletions
diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c
index e139e9cbf5f7..4730eac0747b 100644
--- a/arch/sparc/mm/highmem.c
+++ b/arch/sparc/mm/highmem.c
@@ -29,17 +29,17 @@
#include <asm/tlbflush.h>
#include <asm/fixmap.h>
-void *kmap_atomic(struct page *page, enum km_type type)
+void *__kmap_atomic(struct page *page)
{
- unsigned long idx;
unsigned long vaddr;
+ long idx, type;
/* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
- debug_kmap_atomic(type);
+ type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
@@ -63,44 +63,52 @@ void *kmap_atomic(struct page *page, enum km_type type)
return (void*) vaddr;
}
-EXPORT_SYMBOL(kmap_atomic);
+EXPORT_SYMBOL(__kmap_atomic);
-void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type)
+void __kunmap_atomic(void *kvaddr)
{
-#ifdef CONFIG_DEBUG_HIGHMEM
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
- unsigned long idx = type + KM_TYPE_NR*smp_processor_id();
+ int type;
if (vaddr < FIXADDR_START) { // FIXME
pagefault_enable();
return;
}
- BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN+idx));
+ type = kmap_atomic_idx();
-/* XXX Fix - Anton */
+#ifdef CONFIG_DEBUG_HIGHMEM
+ {
+ unsigned long idx;
+
+ idx = type + KM_TYPE_NR * smp_processor_id();
+ BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN+idx));
+
+ /* XXX Fix - Anton */
#if 0
- __flush_cache_one(vaddr);
+ __flush_cache_one(vaddr);
#else
- flush_cache_all();
+ flush_cache_all();
#endif
- /*
- * force other mappings to Oops if they'll try to access
- * this pte without first remap it
- */
- pte_clear(&init_mm, vaddr, kmap_pte-idx);
-/* XXX Fix - Anton */
+ /*
+ * force other mappings to Oops if they'll try to access
+ * this pte without first remap it
+ */
+ pte_clear(&init_mm, vaddr, kmap_pte-idx);
+ /* XXX Fix - Anton */
#if 0
- __flush_tlb_one(vaddr);
+ __flush_tlb_one(vaddr);
#else
- flush_tlb_all();
+ flush_tlb_all();
#endif
+ }
#endif
+ kmap_atomic_idx_pop();
pagefault_enable();
}
-EXPORT_SYMBOL(kunmap_atomic_notypecheck);
+EXPORT_SYMBOL(__kunmap_atomic);
/* We may be fed a pagetable here by ptep_to_xxx and others. */
struct page *kmap_atomic_to_page(void *ptr)
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 4c2572773b55..2f6ae1d1fb6b 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -88,7 +88,7 @@ static void __init read_obp_memory(const char *property,
struct linux_prom64_registers *regs,
int *num_ents)
{
- int node = prom_finddevice("/memory");
+ phandle node = prom_finddevice("/memory");
int prop_size = prom_getproplen(node, property);
int ents, ret, i;
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index b0b43aa5e45a..92319aa8b662 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1262,7 +1262,8 @@ extern unsigned long bootmem_init(unsigned long *pages_avail);
void __init srmmu_paging_init(void)
{
- int i, cpunode;
+ int i;
+ phandle cpunode;
char node_str[128];
pgd_t *pgd;
pmd_t *pmd;
@@ -1398,7 +1399,8 @@ static void __init srmmu_is_bad(void)
static void __init init_vac_layout(void)
{
- int nd, cache_lines;
+ phandle nd;
+ int cache_lines;
char node_str[128];
#ifdef CONFIG_SMP
int cpu = 0;
@@ -2082,7 +2084,7 @@ static void __init get_srmmu_type(void)
/* Next check for Fujitsu Swift. */
if(psr_typ == 0 && psr_vers == 4) {
- int cpunode;
+ phandle cpunode;
char node_str[128];
/* Look if it is not a TurboSparc emulating Swift... */
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 4289f90f8697..ddd0d86e508e 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -420,7 +420,7 @@ volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
void __init sun4c_probe_memerr_reg(void)
{
- int node;
+ phandle node;
struct linux_prom_registers regs[1];
node = prom_getchild(prom_root_node);