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sparc64: Fix build errors with gcc-4.6.0

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Most of the warnings emitted (we fail arch/sparc file
builds with -Werror) were legitimate but harmless, however
one case (n2_pcr_write) was a genuine bug.

Based almost entirely upon a patch by Sam Ravnborg.

Reported-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-02-26 23:40:02 -08:00
parent 0399bb5b91
commit c6fee0810d
11 changed files with 36 additions and 35 deletions
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11
arch/sparc/kernel/smp_64.c
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@@ -189,7 +189,7 @@ static inline long get_delta (long *rt, long *master)
void smp_synchronize_tick_client(void)
{
long i, delta, adj, adjust_latency = 0, done = 0;
unsigned long flags, rt, master_time_stamp, bound;
unsigned long flags, rt, master_time_stamp;
#if DEBUG_TICK_SYNC
struct {
long rt; /* roundtrip time */
@@ -208,10 +208,8 @@ void smp_synchronize_tick_client(void)
{
for (i = 0; i < NUM_ROUNDS; i++) {
delta = get_delta(&rt, &master_time_stamp);
if (delta == 0) {
if (delta == 0)
done = 1; /* let's lock on to this... */
bound = rt;
}
if (!done) {
if (i > 0) {
@@ -933,13 +931,12 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu)
void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
{
void *pg_addr;
int this_cpu;
u64 data0;
if (tlb_type == hypervisor)
return;
this_cpu = get_cpu();
preempt_disable();
#ifdef CONFIG_DEBUG_DCFLUSH
atomic_inc(&dcpage_flushes);
@@ -964,7 +961,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page)
}
__local_flush_dcache_page(page);
put_cpu();
preempt_enable();
}
void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)