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-rw-r--r--arch/powerpc/kernel/entry_64.S1
-rw-r--r--arch/powerpc/kernel/fadump.c3
-rw-r--r--arch/powerpc/kernel/hw_breakpoint.c4
-rw-r--r--arch/powerpc/kernel/ptrace.c1
-rw-r--r--arch/powerpc/perf/imc-pmu.c4
-rw-r--r--arch/powerpc/platforms/powernv/copy-paste.h3
-rw-r--r--arch/powerpc/platforms/powernv/idle.c4
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c1
8 files changed, 13 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 24ae3d343084..117c1f6cab66 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -597,6 +597,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT)
* actually hit this code path.
*/
+ isync
slbie r6
slbie r6 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r0
diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c
index 29d2b6050140..d0020bc1f209 100644
--- a/arch/powerpc/kernel/fadump.c
+++ b/arch/powerpc/kernel/fadump.c
@@ -1155,6 +1155,9 @@ void fadump_cleanup(void)
init_fadump_mem_struct(&fdm,
be64_to_cpu(fdm_active->cpu_state_data.destination_address));
fadump_invalidate_dump(&fdm);
+ } else if (fw_dump.dump_registered) {
+ /* Un-register Firmware-assisted dump if it was registered. */
+ fadump_unregister_dump(&fdm);
}
}
diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c
index 53b9c1dfd7d9..ceafad83ef50 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -175,8 +175,8 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp)
if (cpu_has_feature(CPU_FTR_DAWR)) {
length_max = 512 ; /* 64 doublewords */
/* DAWR region can't cross 512 boundary */
- if ((bp->attr.bp_addr >> 10) !=
- ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 10))
+ if ((bp->attr.bp_addr >> 9) !=
+ ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 9))
return -EINVAL;
}
if (info->len >
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index f52ad5bb7109..81750d9624ab 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -2362,6 +2362,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
/* Create a new breakpoint request if one doesn't exist already */
hw_breakpoint_init(&attr);
attr.bp_addr = hw_brk.address;
+ attr.bp_len = 8;
arch_bp_generic_fields(hw_brk.type,
&attr.bp_type);
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index da6ba9ba73ed..b73961b95c34 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -1131,7 +1131,7 @@ static int init_nest_pmu_ref(void)
static void cleanup_all_core_imc_memory(void)
{
- int i, nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
+ int i, nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core);
struct imc_mem_info *ptr = core_imc_pmu->mem_info;
int size = core_imc_pmu->counter_mem_size;
@@ -1239,7 +1239,7 @@ static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent,
if (!pmu_ptr->pmu.name)
return -ENOMEM;
- nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core);
+ nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core);
pmu_ptr->mem_info = kcalloc(nr_cores, sizeof(struct imc_mem_info),
GFP_KERNEL);
diff --git a/arch/powerpc/platforms/powernv/copy-paste.h b/arch/powerpc/platforms/powernv/copy-paste.h
index c9a503623431..e9a6c35f8a29 100644
--- a/arch/powerpc/platforms/powernv/copy-paste.h
+++ b/arch/powerpc/platforms/powernv/copy-paste.h
@@ -42,5 +42,6 @@ static inline int vas_paste(void *paste_address, int offset)
: "b" (offset), "b" (paste_address)
: "memory", "cr0");
- return (cr >> CR0_SHIFT) & CR0_MASK;
+ /* We mask with 0xE to ignore SO */
+ return (cr >> CR0_SHIFT) & 0xE;
}
diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c
index 443d5ca71995..028d6d12ba32 100644
--- a/arch/powerpc/platforms/powernv/idle.c
+++ b/arch/powerpc/platforms/powernv/idle.c
@@ -78,7 +78,7 @@ static int pnv_save_sprs_for_deep_states(void)
uint64_t msr_val = MSR_IDLE;
uint64_t psscr_val = pnv_deepest_stop_psscr_val;
- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
uint64_t pir = get_hard_smp_processor_id(cpu);
uint64_t hsprg0_val = (uint64_t)&paca[cpu];
@@ -741,7 +741,7 @@ static int __init pnv_init_idle_states(void)
int cpu;
pr_info("powernv: idle: Saving PACA pointers of all CPUs in their thread sibling PACA\n");
- for_each_possible_cpu(cpu) {
+ for_each_present_cpu(cpu) {
int base_cpu = cpu_first_thread_sibling(cpu);
int idx = cpu_thread_in_core(cpu);
int i;
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 57f9e55f4352..677b29ef4532 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -3591,7 +3591,6 @@ static void pnv_pci_ioda2_release_pe_dma(struct pnv_ioda_pe *pe)
WARN_ON(pe->table_group.group);
}
- pnv_pci_ioda2_table_free_pages(tbl);
iommu_tce_table_put(tbl);
}