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-rw-r--r--arch/powerpc/include/asm/Kbuild5
-rw-r--r--arch/powerpc/include/asm/topology.h1
-rw-r--r--arch/powerpc/kernel/eeh_driver.c25
-rw-r--r--arch/powerpc/kernel/irq.c8
-rw-r--r--arch/powerpc/kernel/pci_64.c4
-rw-r--r--arch/powerpc/kernel/process.c9
-rw-r--r--arch/powerpc/kernel/reloc_64.S1
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S71
-rw-r--r--arch/powerpc/oprofile/op_model_cell.c3
-rw-r--r--arch/powerpc/platforms/cell/ras.c3
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c1
-rw-r--r--arch/powerpc/platforms/powernv/setup.c13
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c6
-rw-r--r--arch/powerpc/platforms/pseries/setup.c34
-rw-r--r--arch/powerpc/sysdev/ehv_pic.c10
15 files changed, 62 insertions, 132 deletions
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 6c0a955a1b06..3fb1bc432f4f 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -1,7 +1,8 @@
generic-y += clkdev.h
+generic-y += hash.h
+generic-y += mcs_spinlock.h
+generic-y += preempt.h
generic-y += rwsem.h
generic-y += trace_clock.h
-generic-y += preempt.h
generic-y += vtime.h
-generic-y += hash.h
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index d0b5fca6b077..c9202151079f 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -99,7 +99,6 @@ static inline int prrn_is_enabled(void)
#ifdef CONFIG_SMP
#include <asm/cputable.h>
-#define smt_capable() (cpu_has_feature(CPU_FTR_SMT))
#ifdef CONFIG_PPC64
#include <asm/smp.h>
diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index fdc679d309ec..bb61ca58ca6d 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -143,13 +143,30 @@ static void eeh_disable_irq(struct pci_dev *dev)
static void eeh_enable_irq(struct pci_dev *dev)
{
struct eeh_dev *edev = pci_dev_to_eeh_dev(dev);
- struct irq_desc *desc;
if ((edev->mode) & EEH_DEV_IRQ_DISABLED) {
edev->mode &= ~EEH_DEV_IRQ_DISABLED;
-
- desc = irq_to_desc(dev->irq);
- if (desc && desc->depth > 0)
+ /*
+ * FIXME !!!!!
+ *
+ * This is just ass backwards. This maze has
+ * unbalanced irq_enable/disable calls. So instead of
+ * finding the root cause it works around the warning
+ * in the irq_enable code by conditionally calling
+ * into it.
+ *
+ * That's just wrong.The warning in the core code is
+ * there to tell people to fix their assymetries in
+ * their own code, not by abusing the core information
+ * to avoid it.
+ *
+ * I so wish that the assymetry would be the other way
+ * round and a few more irq_disable calls render that
+ * shit unusable forever.
+ *
+ * tglx
+ */
+ if (irqd_irq_disabled(irq_get_irq_data(dev->irq)))
enable_irq(dev->irq);
}
}
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1d0848bba049..ca1cd7459c4a 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -465,7 +465,6 @@ static inline void check_stack_overflow(void)
void __do_irq(struct pt_regs *regs)
{
- struct irq_desc *desc;
unsigned int irq;
irq_enter();
@@ -487,11 +486,8 @@ void __do_irq(struct pt_regs *regs)
/* And finally process it */
if (unlikely(irq == NO_IRQ))
__get_cpu_var(irq_stat).spurious_irqs++;
- else {
- desc = irq_to_desc(irq);
- if (likely(desc))
- desc->handle_irq(irq, desc);
- }
+ else
+ generic_handle_irq(irq);
trace_irq_exit(regs);
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index a9e311f7a9dd..2a4779091a58 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -208,7 +208,6 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
unsigned long in_devfn)
{
struct pci_controller* hose;
- struct list_head *ln;
struct pci_bus *bus = NULL;
struct device_node *hose_node;
@@ -230,8 +229,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
* used on pre-domains setup. We return the first match
*/
- for (ln = pci_root_buses.next; ln != &pci_root_buses; ln = ln->next) {
- bus = pci_bus_b(ln);
+ list_for_each_entry(bus, &pci_root_buses, node) {
if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
break;
bus = NULL;
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 8d4c247f1738..af064d28b365 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1048,6 +1048,15 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
flush_altivec_to_thread(src);
flush_vsx_to_thread(src);
flush_spe_to_thread(src);
+ /*
+ * Flush TM state out so we can copy it. __switch_to_tm() does this
+ * flush but it removes the checkpointed state from the current CPU and
+ * transitions the CPU out of TM mode. Hence we need to call
+ * tm_recheckpoint_new_task() (on the same task) to restore the
+ * checkpointed state back and the TM mode.
+ */
+ __switch_to_tm(src);
+ tm_recheckpoint_new_task(src);
*dst = *src;
diff --git a/arch/powerpc/kernel/reloc_64.S b/arch/powerpc/kernel/reloc_64.S
index 1482327cfeba..d88736fbece6 100644
--- a/arch/powerpc/kernel/reloc_64.S
+++ b/arch/powerpc/kernel/reloc_64.S
@@ -81,6 +81,7 @@ _GLOBAL(relocate)
6: blr
+.balign 8
p_dyn: .llong __dynamic_start - 0b
p_rela: .llong __rela_dyn_start - 0b
p_st: .llong _stext - 0b
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index e66d4ec04d95..818dce344e82 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1504,73 +1504,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
1: addi r8,r8,16
.endr
- /* Save DEC */
- mfspr r5,SPRN_DEC
- mftb r6
- extsw r5,r5
- add r5,r5,r6
- std r5,VCPU_DEC_EXPIRES(r9)
-
-BEGIN_FTR_SECTION
- b 8f
-END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
- /* Turn on TM so we can access TFHAR/TFIAR/TEXASR */
- mfmsr r8
- li r0, 1
- rldimi r8, r0, MSR_TM_LG, 63-MSR_TM_LG
- mtmsrd r8
-
- /* Save POWER8-specific registers */
- mfspr r5, SPRN_IAMR
- mfspr r6, SPRN_PSPB
- mfspr r7, SPRN_FSCR
- std r5, VCPU_IAMR(r9)
- stw r6, VCPU_PSPB(r9)
- std r7, VCPU_FSCR(r9)
- mfspr r5, SPRN_IC
- mfspr r6, SPRN_VTB
- mfspr r7, SPRN_TAR
- std r5, VCPU_IC(r9)
- std r6, VCPU_VTB(r9)
- std r7, VCPU_TAR(r9)
-#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
- mfspr r5, SPRN_TFHAR
- mfspr r6, SPRN_TFIAR
- mfspr r7, SPRN_TEXASR
- std r5, VCPU_TFHAR(r9)
- std r6, VCPU_TFIAR(r9)
- std r7, VCPU_TEXASR(r9)
-#endif
- mfspr r8, SPRN_EBBHR
- std r8, VCPU_EBBHR(r9)
- mfspr r5, SPRN_EBBRR
- mfspr r6, SPRN_BESCR
- mfspr r7, SPRN_CSIGR
- mfspr r8, SPRN_TACR
- std r5, VCPU_EBBRR(r9)
- std r6, VCPU_BESCR(r9)
- std r7, VCPU_CSIGR(r9)
- std r8, VCPU_TACR(r9)
- mfspr r5, SPRN_TCSCR
- mfspr r6, SPRN_ACOP
- mfspr r7, SPRN_PID
- mfspr r8, SPRN_WORT
- std r5, VCPU_TCSCR(r9)
- std r6, VCPU_ACOP(r9)
- stw r7, VCPU_GUEST_PID(r9)
- std r8, VCPU_WORT(r9)
-8:
-
- /* Save and reset AMR and UAMOR before turning on the MMU */
-BEGIN_FTR_SECTION
- mfspr r5,SPRN_AMR
- mfspr r6,SPRN_UAMOR
- std r5,VCPU_AMR(r9)
- std r6,VCPU_UAMOR(r9)
- li r6,0
- mtspr SPRN_AMR,r6
-END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
-
/* Unset guest mode */
li r0, KVM_GUEST_MODE_NONE
stb r0, HSTATE_IN_GUEST(r13)
@@ -2203,7 +2136,7 @@ BEGIN_FTR_SECTION
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif
mfspr r6,SPRN_VRSAVE
- stw r6,VCPU_VRSAVE(r3)
+ stw r6,VCPU_VRSAVE(r31)
mtlr r30
mtmsrd r5
isync
@@ -2240,7 +2173,7 @@ BEGIN_FTR_SECTION
bl .load_vr_state
END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
#endif
- lwz r7,VCPU_VRSAVE(r4)
+ lwz r7,VCPU_VRSAVE(r31)
mtspr SPRN_VRSAVE,r7
mtlr r30
mr r4,r31
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 1f0ebdeea5f7..863d89386f60 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -1121,8 +1121,7 @@ oprof_cpufreq_notify(struct notifier_block *nb, unsigned long val, void *data)
int ret = 0;
struct cpufreq_freqs *frq = data;
if ((val == CPUFREQ_PRECHANGE && frq->old < frq->new) ||
- (val == CPUFREQ_POSTCHANGE && frq->old > frq->new) ||
- (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE))
+ (val == CPUFREQ_POSTCHANGE && frq->old > frq->new))
set_spu_profiling_frequency(frq->new, spu_cycle_reset);
return ret;
}
diff --git a/arch/powerpc/platforms/cell/ras.c b/arch/powerpc/platforms/cell/ras.c
index 5ec1e47a0d77..e865d748179b 100644
--- a/arch/powerpc/platforms/cell/ras.c
+++ b/arch/powerpc/platforms/cell/ras.c
@@ -123,7 +123,8 @@ static int __init cbe_ptcal_enable_on_node(int nid, int order)
area->nid = nid;
area->order = order;
- area->pages = alloc_pages_exact_node(area->nid, GFP_KERNEL|GFP_THISNODE,
+ area->pages = alloc_pages_exact_node(area->nid,
+ GFP_KERNEL|__GFP_THISNODE,
area->order);
if (!area->pages) {
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 49318385d4fa..4a0a64fe25df 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -83,7 +83,6 @@ static struct timer_list spuloadavg_timer;
#define MIN_SPU_TIMESLICE max(5 * HZ / (1000 * SPUSCHED_TICK), 1)
#define DEF_SPU_TIMESLICE (100 * HZ / (1000 * SPUSCHED_TICK))
-#define MAX_USER_PRIO (MAX_PRIO - MAX_RT_PRIO)
#define SCALE_PRIO(x, prio) \
max(x * (MAX_PRIO - prio) / (MAX_USER_PRIO / 2), MIN_SPU_TIMESLICE)
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 110f4fbd319f..81a7a0a79be7 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -26,7 +26,6 @@
#include <linux/of_fdt.h>
#include <linux/interrupt.h>
#include <linux/bug.h>
-#include <linux/cpuidle.h>
#include <linux/pci.h>
#include <asm/machdep.h>
@@ -225,16 +224,6 @@ static int __init pnv_probe(void)
return 1;
}
-void powernv_idle(void)
-{
- /* Hook to cpuidle framework if available, else
- * call on default platform idle code
- */
- if (cpuidle_idle_call()) {
- power7_idle();
- }
-}
-
define_machine(powernv) {
.name = "PowerNV",
.probe = pnv_probe,
@@ -244,7 +233,7 @@ define_machine(powernv) {
.show_cpuinfo = pnv_show_cpuinfo,
.progress = pnv_progress,
.machine_shutdown = pnv_shutdown,
- .power_save = powernv_idle,
+ .power_save = power7_idle,
.calibrate_decr = generic_calibrate_decr,
.dma_set_mask = pnv_dma_set_mask,
#ifdef CONFIG_KEXEC
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index efe61374f6ea..203cbf0dc101 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -37,15 +37,15 @@ find_bus_among_children(struct pci_bus *bus,
struct device_node *dn)
{
struct pci_bus *child = NULL;
- struct list_head *tmp;
+ struct pci_bus *tmp;
struct device_node *busdn;
busdn = pci_bus_to_OF_node(bus);
if (busdn == dn)
return bus;
- list_for_each(tmp, &bus->children) {
- child = find_bus_among_children(pci_bus_b(tmp), dn);
+ list_for_each_entry(tmp, &bus->children, node) {
+ child = find_bus_among_children(tmp, dn);
if (child)
break;
};
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 972df0ffd4dc..2db8cc691bf4 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -39,7 +39,6 @@
#include <linux/irq.h>
#include <linux/seq_file.h>
#include <linux/root_dev.h>
-#include <linux/cpuidle.h>
#include <linux/of.h>
#include <linux/kexec.h>
@@ -356,29 +355,24 @@ early_initcall(alloc_dispatch_log_kmem_cache);
static void pseries_lpar_idle(void)
{
- /* This would call on the cpuidle framework, and the back-end pseries
- * driver to go to idle states
+ /*
+ * Default handler to go into low thread priority and possibly
+ * low power mode by cedeing processor to hypervisor
*/
- if (cpuidle_idle_call()) {
- /* On error, execute default handler
- * to go into low thread priority and possibly
- * low power mode by cedeing processor to hypervisor
- */
- /* Indicate to hypervisor that we are idle. */
- get_lppaca()->idle = 1;
+ /* Indicate to hypervisor that we are idle. */
+ get_lppaca()->idle = 1;
- /*
- * Yield the processor to the hypervisor. We return if
- * an external interrupt occurs (which are driven prior
- * to returning here) or if a prod occurs from another
- * processor. When returning here, external interrupts
- * are enabled.
- */
- cede_processor();
+ /*
+ * Yield the processor to the hypervisor. We return if
+ * an external interrupt occurs (which are driven prior
+ * to returning here) or if a prod occurs from another
+ * processor. When returning here, external interrupts
+ * are enabled.
+ */
+ cede_processor();
- get_lppaca()->idle = 0;
- }
+ get_lppaca()->idle = 0;
}
/*
diff --git a/arch/powerpc/sysdev/ehv_pic.c b/arch/powerpc/sysdev/ehv_pic.c
index b74085cea1af..2d20f10a4203 100644
--- a/arch/powerpc/sysdev/ehv_pic.c
+++ b/arch/powerpc/sysdev/ehv_pic.c
@@ -28,8 +28,6 @@
#include <asm/ehv_pic.h>
#include <asm/fsl_hcalls.h>
-#include "../../../kernel/irq/settings.h"
-
static struct ehv_pic *global_ehv_pic;
static DEFINE_SPINLOCK(ehv_pic_lock);
@@ -113,17 +111,13 @@ static unsigned int ehv_pic_type_to_vecpri(unsigned int type)
int ehv_pic_set_irq_type(struct irq_data *d, unsigned int flow_type)
{
unsigned int src = virq_to_hw(d->irq);
- struct irq_desc *desc = irq_to_desc(d->irq);
unsigned int vecpri, vold, vnew, prio, cpu_dest;
unsigned long flags;
if (flow_type == IRQ_TYPE_NONE)
flow_type = IRQ_TYPE_LEVEL_LOW;
- irq_settings_clr_level(desc);
- irq_settings_set_trigger_mask(desc, flow_type);
- if (flow_type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW))
- irq_settings_set_level(desc);
+ irqd_set_trigger_type(d, flow_type);
vecpri = ehv_pic_type_to_vecpri(flow_type);
@@ -144,7 +138,7 @@ int ehv_pic_set_irq_type(struct irq_data *d, unsigned int flow_type)
ev_int_set_config(src, vecpri, prio, cpu_dest);
spin_unlock_irqrestore(&ehv_pic_lock, flags);
- return 0;
+ return IRQ_SET_MASK_OK_NOCOPY;
}
static struct irq_chip ehv_pic_irq_chip = {
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-23 18:45:35 +0300