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authorSam Ravnborg <sam@ravnborg.org>2012-05-11 11:35:08 +0000
committerDavid S. Miller <davem@davemloft.net>2012-05-11 19:27:48 -0700
commit582a0baee57b3fd66222f6f922e6fcf4cadb7765 (patch)
treee29383d045ae4097cb045c2611c82fc43d0dbcec /arch/sparc/kernel
parent593fc6ea47882e5953f820ab24a8618f20f0a5c0 (diff)
downloadlinux-582a0baee57b3fd66222f6f922e6fcf4cadb7765.tar.gz
sparc32: remove all uses of ARCH_SUN4C
Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/process_32.c32
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c11
2 files changed, 0 insertions, 43 deletions
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index de81e21cbf6..d8e973dab07 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -67,8 +67,6 @@ struct thread_info *current_set[NR_CPUS];
#ifndef CONFIG_SMP
-#define SUN4C_FAULT_HIGH 100
-
/*
* the idle loop on a Sparc... ;)
*/
@@ -76,36 +74,6 @@ void cpu_idle(void)
{
/* endless idle loop with no priority at all */
for (;;) {
- if (ARCH_SUN4C) {
- static int count = HZ;
- static unsigned long last_jiffies;
- static unsigned long last_faults;
- static unsigned long fps;
- unsigned long now;
- unsigned long faults;
-
- extern unsigned long sun4c_kernel_faults;
- extern void sun4c_grow_kernel_ring(void);
-
- local_irq_disable();
- now = jiffies;
- count -= (now - last_jiffies);
- last_jiffies = now;
- if (count < 0) {
- count += HZ;
- faults = sun4c_kernel_faults;
- fps = (fps + (faults - last_faults)) >> 1;
- last_faults = faults;
-#if 0
- printk("kernel faults / second = %ld\n", fps);
-#endif
- if (fps >= SUN4C_FAULT_HIGH) {
- /*sun4c_grow_kernel_ring();*/
- }
- }
- local_irq_enable();
- }
-
if (pm_idle) {
while (!need_resched())
(*pm_idle)();
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 42b282fa611..627e89af1d7 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -53,8 +53,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
/* See asm-sparc/uaccess.h */
if (len > TASK_SIZE - PAGE_SIZE)
return -ENOMEM;
- if (ARCH_SUN4C && len > 0x20000000)
- return -ENOMEM;
if (!addr)
addr = TASK_UNMAPPED_BASE;
@@ -65,10 +63,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
for (vmm = find_vma(current->mm, addr); ; vmm = vmm->vm_next) {
/* At this point: (!vmm || addr < vmm->vm_end). */
- if (ARCH_SUN4C && addr < 0xe0000000 && 0x20000000 - len < addr) {
- addr = PAGE_OFFSET;
- vmm = find_vma(current->mm, PAGE_OFFSET);
- }
if (TASK_SIZE - PAGE_SIZE - len < addr)
return -ENOMEM;
if (!vmm || addr + len <= vmm->vm_start)
@@ -99,11 +93,6 @@ out:
int sparc_mmap_check(unsigned long addr, unsigned long len)
{
- if (ARCH_SUN4C &&
- (len > 0x20000000 ||
- (addr < 0xe0000000 && addr + len > 0x20000000)))
- return -EINVAL;
-
/* See asm-sparc/uaccess.h */
if (len > TASK_SIZE - PAGE_SIZE || addr + len > TASK_SIZE - PAGE_SIZE)
return -EINVAL;