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-rw-r--r--arch/powerpc/Kconfig1
-rw-r--r--arch/powerpc/include/asm/Kbuild1
-rw-r--r--arch/powerpc/include/asm/jump_label.h2
-rw-r--r--arch/powerpc/include/asm/uprobes.h8
-rw-r--r--arch/powerpc/kernel/ibmebus.c14
-rw-r--r--arch/powerpc/kernel/irq.c17
-rw-r--r--arch/powerpc/kernel/vio.c66
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S2
-rw-r--r--arch/powerpc/kvm/e500_mmu_host.c18
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c1
10 files changed, 68 insertions, 62 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index de5c61d5db2c..2f898d63eb96 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -138,6 +138,7 @@ config PPC
select OLD_SIGSUSPEND
select OLD_SIGACTION if PPC32
select HAVE_DEBUG_STACKOVERFLOW
+ select HAVE_IRQ_EXIT_ON_IRQ_STACK
config GENERIC_CSUM
def_bool CPU_LITTLE_ENDIAN
diff --git a/arch/powerpc/include/asm/Kbuild b/arch/powerpc/include/asm/Kbuild
index 704e6f10ae80..d8f9d2f18a23 100644
--- a/arch/powerpc/include/asm/Kbuild
+++ b/arch/powerpc/include/asm/Kbuild
@@ -2,4 +2,5 @@
generic-y += clkdev.h
generic-y += rwsem.h
generic-y += trace_clock.h
+generic-y += preempt.h
generic-y += vtime.h \ No newline at end of file
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h
index ae098c438f00..f016bb699b5f 100644
--- a/arch/powerpc/include/asm/jump_label.h
+++ b/arch/powerpc/include/asm/jump_label.h
@@ -19,7 +19,7 @@
static __always_inline bool arch_static_branch(struct static_key *key)
{
- asm goto("1:\n\t"
+ asm_volatile_goto("1:\n\t"
"nop\n\t"
".pushsection __jump_table, \"aw\"\n\t"
JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t"
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h
index 23016020915e..75c6ecdb8f37 100644
--- a/arch/powerpc/include/asm/uprobes.h
+++ b/arch/powerpc/include/asm/uprobes.h
@@ -37,6 +37,7 @@ typedef ppc_opcode_t uprobe_opcode_t;
struct arch_uprobe {
union {
u8 insn[MAX_UINSN_BYTES];
+ u8 ixol[MAX_UINSN_BYTES];
u32 ainsn;
};
};
@@ -45,11 +46,4 @@ struct arch_uprobe_task {
unsigned long saved_trap_nr;
};
-extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
-extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
-extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
-extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
#endif /* _ASM_UPROBES_H */
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 16a7c2326d48..1114d13ac19f 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -292,6 +292,7 @@ out:
return rc;
return count;
}
+static BUS_ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe);
static ssize_t ibmebus_store_remove(struct bus_type *bus,
const char *buf, size_t count)
@@ -317,13 +318,14 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus,
return -ENODEV;
}
}
+static BUS_ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove);
-
-static struct bus_attribute ibmebus_bus_attrs[] = {
- __ATTR(probe, S_IWUSR, NULL, ibmebus_store_probe),
- __ATTR(remove, S_IWUSR, NULL, ibmebus_store_remove),
- __ATTR_NULL
+static struct attribute *ibmbus_bus_attrs[] = {
+ &bus_attr_probe.attr,
+ &bus_attr_remove.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(ibmbus_bus);
static int ibmebus_bus_bus_match(struct device *dev, struct device_driver *drv)
{
@@ -713,7 +715,7 @@ static struct dev_pm_ops ibmebus_bus_dev_pm_ops = {
struct bus_type ibmebus_bus_type = {
.name = "ibmebus",
.uevent = of_device_uevent_modalias,
- .bus_attrs = ibmebus_bus_attrs,
+ .bus_groups = ibmbus_bus_groups,
.match = ibmebus_bus_bus_match,
.probe = ibmebus_bus_device_probe,
.remove = ibmebus_bus_device_remove,
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index c7cb8c232d2f..ba0165615215 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -594,7 +594,7 @@ void irq_ctx_init(void)
}
}
-static inline void do_softirq_onstack(void)
+void do_softirq_own_stack(void)
{
struct thread_info *curtp, *irqtp;
@@ -612,21 +612,6 @@ static inline void do_softirq_onstack(void)
set_bits(irqtp->flags, &curtp->flags);
}
-void do_softirq(void)
-{
- unsigned long flags;
-
- if (in_interrupt())
- return;
-
- local_irq_save(flags);
-
- if (local_softirq_pending())
- do_softirq_onstack();
-
- local_irq_restore(flags);
-}
-
irq_hw_number_t virq_to_hw(unsigned int virq)
{
struct irq_data *irq_data = irq_get_irq_data(virq);
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index cb92d8204ec7..f99cefbd84e3 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -997,21 +997,36 @@ static struct device_attribute vio_cmo_dev_attrs[] = {
/* sysfs bus functions and data structures for CMO */
#define viobus_cmo_rd_attr(name) \
-static ssize_t \
-viobus_cmo_##name##_show(struct bus_type *bt, char *buf) \
+static ssize_t cmo_##name##_show(struct bus_type *bt, char *buf) \
{ \
return sprintf(buf, "%lu\n", vio_cmo.name); \
-}
+} \
+static BUS_ATTR_RO(cmo_##name)
#define viobus_cmo_pool_rd_attr(name, var) \
static ssize_t \
-viobus_cmo_##name##_pool_show_##var(struct bus_type *bt, char *buf) \
+cmo_##name##_##var##_show(struct bus_type *bt, char *buf) \
{ \
return sprintf(buf, "%lu\n", vio_cmo.name.var); \
+} \
+static BUS_ATTR_RO(cmo_##name##_##var)
+
+viobus_cmo_rd_attr(entitled);
+viobus_cmo_rd_attr(spare);
+viobus_cmo_rd_attr(min);
+viobus_cmo_rd_attr(desired);
+viobus_cmo_rd_attr(curr);
+viobus_cmo_pool_rd_attr(reserve, size);
+viobus_cmo_pool_rd_attr(excess, size);
+viobus_cmo_pool_rd_attr(excess, free);
+
+static ssize_t cmo_high_show(struct bus_type *bt, char *buf)
+{
+ return sprintf(buf, "%lu\n", vio_cmo.high);
}
-static ssize_t viobus_cmo_high_reset(struct bus_type *bt, const char *buf,
- size_t count)
+static ssize_t cmo_high_store(struct bus_type *bt, const char *buf,
+ size_t count)
{
unsigned long flags;
@@ -1021,35 +1036,26 @@ static ssize_t viobus_cmo_high_reset(struct bus_type *bt, const char *buf,
return count;
}
-
-viobus_cmo_rd_attr(entitled);
-viobus_cmo_pool_rd_attr(reserve, size);
-viobus_cmo_pool_rd_attr(excess, size);
-viobus_cmo_pool_rd_attr(excess, free);
-viobus_cmo_rd_attr(spare);
-viobus_cmo_rd_attr(min);
-viobus_cmo_rd_attr(desired);
-viobus_cmo_rd_attr(curr);
-viobus_cmo_rd_attr(high);
-
-static struct bus_attribute vio_cmo_bus_attrs[] = {
- __ATTR(cmo_entitled, S_IRUGO, viobus_cmo_entitled_show, NULL),
- __ATTR(cmo_reserve_size, S_IRUGO, viobus_cmo_reserve_pool_show_size, NULL),
- __ATTR(cmo_excess_size, S_IRUGO, viobus_cmo_excess_pool_show_size, NULL),
- __ATTR(cmo_excess_free, S_IRUGO, viobus_cmo_excess_pool_show_free, NULL),
- __ATTR(cmo_spare, S_IRUGO, viobus_cmo_spare_show, NULL),
- __ATTR(cmo_min, S_IRUGO, viobus_cmo_min_show, NULL),
- __ATTR(cmo_desired, S_IRUGO, viobus_cmo_desired_show, NULL),
- __ATTR(cmo_curr, S_IRUGO, viobus_cmo_curr_show, NULL),
- __ATTR(cmo_high, S_IWUSR|S_IRUSR|S_IWGRP|S_IRGRP|S_IROTH,
- viobus_cmo_high_show, viobus_cmo_high_reset),
- __ATTR_NULL
+static BUS_ATTR_RW(cmo_high);
+
+static struct attribute *vio_bus_attrs[] = {
+ &bus_attr_cmo_entitled.attr,
+ &bus_attr_cmo_spare.attr,
+ &bus_attr_cmo_min.attr,
+ &bus_attr_cmo_desired.attr,
+ &bus_attr_cmo_curr.attr,
+ &bus_attr_cmo_high.attr,
+ &bus_attr_cmo_reserve_size.attr,
+ &bus_attr_cmo_excess_size.attr,
+ &bus_attr_cmo_excess_free.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(vio_bus);
static void vio_cmo_sysfs_init(void)
{
vio_bus_type.dev_attrs = vio_cmo_dev_attrs;
- vio_bus_type.bus_attrs = vio_cmo_bus_attrs;
+ vio_bus_type.bus_groups = vio_bus_groups;
}
#else /* CONFIG_PPC_SMLPAR */
int vio_cmo_entitlement_update(size_t new_entitlement) { return 0; }
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 294b7af28cdd..c71103b8a748 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -1066,7 +1066,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
BEGIN_FTR_SECTION
mfspr r8, SPRN_DSCR
ld r7, HSTATE_DSCR(r13)
- std r8, VCPU_DSCR(r7)
+ std r8, VCPU_DSCR(r9)
mtspr SPRN_DSCR, r7
END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index 1c6a9d729df4..c65593abae8e 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -332,6 +332,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
unsigned long hva;
int pfnmap = 0;
int tsize = BOOK3E_PAGESZ_4K;
+ int ret = 0;
+ unsigned long mmu_seq;
+ struct kvm *kvm = vcpu_e500->vcpu.kvm;
+
+ /* used to check for invalidations in progress */
+ mmu_seq = kvm->mmu_notifier_seq;
+ smp_rmb();
/*
* Translate guest physical to true physical, acquiring
@@ -449,6 +456,12 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1);
}
+ spin_lock(&kvm->mmu_lock);
+ if (mmu_notifier_retry(kvm, mmu_seq)) {
+ ret = -EAGAIN;
+ goto out;
+ }
+
kvmppc_e500_ref_setup(ref, gtlbe, pfn);
kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize,
@@ -457,10 +470,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
/* Clear i-cache for new pages */
kvmppc_mmu_flush_icache(pfn);
+out:
+ spin_unlock(&kvm->mmu_lock);
+
/* Drop refcount on page, so that mmu notifiers can clear it */
kvm_release_pfn_clean(pfn);
- return 0;
+ return ret;
}
/* XXX only map the one-one case, for now use TLB0 */
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 475d4f26fc6e..ac3c2a10dafd 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -698,4 +698,5 @@ void bpf_jit_free(struct sk_filter *fp)
{
if (fp->bpf_func != sk_run_filter)
module_free(NULL, fp->bpf_func);
+ kfree(fp);
}
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-08 08:08:56 +0300