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-rw-r--r--arch/powerpc/kernel/cputable.c2
-rw-r--r--arch/powerpc/kernel/ibmebus.c2
-rw-r--r--arch/powerpc/kernel/iommu.c2
-rw-r--r--arch/powerpc/kernel/irq.c12
-rw-r--r--arch/powerpc/kernel/misc_64.S6
-rw-r--r--arch/powerpc/kernel/pci_32.c12
-rw-r--r--arch/powerpc/kernel/pci_64.c10
-rw-r--r--arch/powerpc/kernel/process.c10
-rw-r--r--arch/powerpc/kernel/prom.c2
-rw-r--r--arch/powerpc/kernel/smp.c6
-rw-r--r--arch/powerpc/kernel/time.c8
-rw-r--r--arch/powerpc/kernel/traps.c3
12 files changed, 40 insertions, 35 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 47a613cdd77..95382f99440 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -268,7 +268,7 @@ struct cpu_spec cpu_specs[] = {
.cpu_user_features = COMMON_USER_POWER6,
.icache_bsize = 128,
.dcache_bsize = 128,
- .num_pmcs = 8,
+ .num_pmcs = 6,
.oprofile_cpu_type = "ppc64/power6",
.oprofile_type = PPC_OPROFILE_POWER4,
.oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 124dbcba94a..39db7a3affe 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -319,7 +319,7 @@ EXPORT_SYMBOL(ibmebus_unregister_driver);
int ibmebus_request_irq(struct ibmebus_dev *dev,
u32 ist,
- irqreturn_t (*handler)(int, void*, struct pt_regs *),
+ irq_handler_t handler,
unsigned long irq_flags, const char * devname,
void *dev_id)
{
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ba069407172..f88a2a675d9 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -75,7 +75,7 @@ static unsigned long iommu_range_alloc(struct iommu_table *tbl,
/* This allocator was derived from x86_64's bit string search */
/* Sanity check */
- if (unlikely(npages) == 0) {
+ if (unlikely(npages == 0)) {
if (printk_ratelimit())
WARN_ON(1);
return DMA_ERROR_CODE;
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index c3f58f2f9f5..5e37bf14ef2 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -187,6 +187,7 @@ void fixup_irqs(cpumask_t map)
void do_IRQ(struct pt_regs *regs)
{
+ struct pt_regs *old_regs = set_irq_regs(regs);
unsigned int irq;
#ifdef CONFIG_IRQSTACKS
struct thread_info *curtp, *irqtp;
@@ -216,7 +217,7 @@ void do_IRQ(struct pt_regs *regs)
* The value -2 is for buggy hardware and means that this IRQ
* has already been handled. -- Tom
*/
- irq = ppc_md.get_irq(regs);
+ irq = ppc_md.get_irq();
if (irq != NO_IRQ && irq != NO_IRQ_IGNORE) {
#ifdef CONFIG_IRQSTACKS
@@ -230,18 +231,19 @@ void do_IRQ(struct pt_regs *regs)
handler = &__do_IRQ;
irqtp->task = curtp->task;
irqtp->flags = 0;
- call_handle_irq(irq, desc, regs, irqtp, handler);
+ call_handle_irq(irq, desc, irqtp, handler);
irqtp->task = NULL;
if (irqtp->flags)
set_bits(irqtp->flags, &curtp->flags);
} else
#endif
- generic_handle_irq(irq, regs);
+ generic_handle_irq(irq);
} else if (irq != NO_IRQ_IGNORE)
/* That's not SMP safe ... but who cares ? */
ppc_spurious_interrupts++;
irq_exit();
+ set_irq_regs(old_regs);
#ifdef CONFIG_PPC_ISERIES
if (get_lppaca()->int_dword.fields.decr_int) {
@@ -570,8 +572,8 @@ unsigned int irq_create_mapping(struct irq_host *host,
}
EXPORT_SYMBOL_GPL(irq_create_mapping);
-extern unsigned int irq_create_of_mapping(struct device_node *controller,
- u32 *intspec, unsigned int intsize)
+unsigned int irq_create_of_mapping(struct device_node *controller,
+ u32 *intspec, unsigned int intsize)
{
struct irq_host *host;
irq_hw_number_t hwirq;
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 41521b30c3c..c70e20708a1 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -52,12 +52,12 @@ _GLOBAL(call_do_softirq)
blr
_GLOBAL(call_handle_irq)
- ld r8,0(r7)
+ ld r8,0(r6)
mflr r0
std r0,16(r1)
mtctr r8
- stdu r1,THREAD_SIZE-112(r6)
- mr r1,r6
+ stdu r1,THREAD_SIZE-112(r5)
+ mr r1,r5
bctrl
ld r1,0(r1)
ld r0,16(r1)
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 9b49f8691d2..0d9ff72e285 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -441,14 +441,14 @@ update_bridge_base(struct pci_bus *bus, int i)
end = res->end - off;
io_base_lo = (start >> 8) & PCI_IO_RANGE_MASK;
io_limit_lo = (end >> 8) & PCI_IO_RANGE_MASK;
- if (end > 0xffff) {
- pci_write_config_word(dev, PCI_IO_BASE_UPPER16,
- start >> 16);
- pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16,
- end >> 16);
+ if (end > 0xffff)
io_base_lo |= PCI_IO_RANGE_TYPE_32;
- } else
+ else
io_base_lo |= PCI_IO_RANGE_TYPE_16;
+ pci_write_config_word(dev, PCI_IO_BASE_UPPER16,
+ start >> 16);
+ pci_write_config_word(dev, PCI_IO_LIMIT_UPPER16,
+ end >> 16);
pci_write_config_byte(dev, PCI_IO_BASE, io_base_lo);
pci_write_config_byte(dev, PCI_IO_LIMIT, io_limit_lo);
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 78d3c0fc8df..9bae8a5bf67 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -199,8 +199,14 @@ struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
pci_setup_pci_controller(phb);
phb->arch_data = dev;
phb->is_dynamic = mem_init_done;
- if (dev)
- PHB_SET_NODE(phb, of_node_to_nid(dev));
+ if (dev) {
+ int nid = of_node_to_nid(dev);
+
+ if (nid < 0 || !node_online(nid))
+ nid = -1;
+
+ PHB_SET_NODE(phb, nid);
+ }
return phb;
}
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 7b2f6452ba7..f3d4dd580dd 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -341,13 +341,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
static int instructions_to_print = 16;
-#ifdef CONFIG_PPC64
-#define BAD_PC(pc) ((REGION_ID(pc) != KERNEL_REGION_ID) && \
- (REGION_ID(pc) != VMALLOC_REGION_ID))
-#else
-#define BAD_PC(pc) ((pc) < KERNELBASE)
-#endif
-
static void show_instructions(struct pt_regs *regs)
{
int i;
@@ -366,7 +359,8 @@ static void show_instructions(struct pt_regs *regs)
* bad address because the pc *should* only be a
* kernel address.
*/
- if (BAD_PC(pc) || __get_user(instr, (unsigned int __user *)pc)) {
+ if (!__kernel_text_address(pc) ||
+ __get_user(instr, (unsigned int __user *)pc)) {
printk("XXXXXXXX ");
} else {
if (regs->nip == pc)
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index eb913f80bfb..865b9648d0d 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -724,7 +724,7 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE));
#ifdef CONFIG_CMDLINE
- if (l == 0 || (l == 1 && (*p) == 0))
+ if (p == NULL || l == 0 || (l == 1 && (*p) == 0))
strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif /* CONFIG_CMDLINE */
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 6a9bc9ce54e..35c6309bdb7 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -115,7 +115,7 @@ void __devinit smp_generic_kick_cpu(int nr)
}
#endif
-void smp_message_recv(int msg, struct pt_regs *regs)
+void smp_message_recv(int msg)
{
switch(msg) {
case PPC_MSG_CALL_FUNCTION:
@@ -127,11 +127,11 @@ void smp_message_recv(int msg, struct pt_regs *regs)
break;
case PPC_MSG_DEBUGGER_BREAK:
if (crash_ipi_function_ptr) {
- crash_ipi_function_ptr(regs);
+ crash_ipi_function_ptr(get_irq_regs());
break;
}
#ifdef CONFIG_DEBUGGER
- debugger_ipi(regs);
+ debugger_ipi(get_irq_regs());
break;
#endif /* CONFIG_DEBUGGER */
/* FALLTHROUGH */
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 85b9244a098..5b59bc18dfe 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -51,6 +51,7 @@
#include <linux/rtc.h>
#include <linux/jiffies.h>
#include <linux/posix-timers.h>
+#include <linux/irq.h>
#include <asm/io.h>
#include <asm/processor.h>
@@ -643,6 +644,7 @@ static void iSeries_tb_recal(void)
*/
void timer_interrupt(struct pt_regs * regs)
{
+ struct pt_regs *old_regs;
int next_dec;
int cpu = smp_processor_id();
unsigned long ticks;
@@ -653,9 +655,10 @@ void timer_interrupt(struct pt_regs * regs)
do_IRQ(regs);
#endif
+ old_regs = set_irq_regs(regs);
irq_enter();
- profile_tick(CPU_PROFILING, regs);
+ profile_tick(CPU_PROFILING);
calculate_steal_time();
#ifdef CONFIG_PPC_ISERIES
@@ -703,7 +706,7 @@ void timer_interrupt(struct pt_regs * regs)
#ifdef CONFIG_PPC_ISERIES
if (hvlpevent_is_pending())
- process_hvlpevents(regs);
+ process_hvlpevents();
#endif
#ifdef CONFIG_PPC64
@@ -715,6 +718,7 @@ void timer_interrupt(struct pt_regs * regs)
#endif
irq_exit();
+ set_irq_regs(old_regs);
}
void wakeup_decrementer(void)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index d9f10f2fc37..5ed4c2ceb5c 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -900,14 +900,13 @@ void kernel_fp_unavailable_exception(struct pt_regs *regs)
void altivec_unavailable_exception(struct pt_regs *regs)
{
-#if !defined(CONFIG_ALTIVEC)
if (user_mode(regs)) {
/* A user program has executed an altivec instruction,
but this kernel doesn't support altivec. */
_exception(SIGILL, regs, ILL_ILLOPC, regs->nip);
return;
}
-#endif
+
printk(KERN_EMERG "Unrecoverable VMX/Altivec Unavailable Exception "
"%lx at %lx\n", regs->trap, regs->nip);
die("Unrecoverable VMX/Altivec Unavailable Exception", regs, SIGABRT);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-09-02 08:36:15 +0000