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-rw-r--r--arch/powerpc/include/asm/cputhreads.h1
-rw-r--r--arch/powerpc/include/asm/hmi.h2
-rw-r--r--arch/powerpc/include/asm/paca.h12
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h1
-rw-r--r--arch/powerpc/include/asm/uaccess.h38
-rw-r--r--arch/powerpc/kernel/Makefile2
-rw-r--r--arch/powerpc/kernel/entry_64.S12
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S29
-rw-r--r--arch/powerpc/kernel/kprobes.c2
-rw-r--r--arch/powerpc/kernel/pci-common.c36
-rw-r--r--arch/powerpc/kernel/prom_init.c9
-rw-r--r--arch/powerpc/kernel/signal_32.c14
-rw-r--r--arch/powerpc/kernel/signal_64.c14
-rw-r--r--arch/powerpc/kernel/smp.c2
-rw-r--r--arch/powerpc/kernel/traps.c3
-rw-r--r--arch/powerpc/kvm/Makefile1
-rw-r--r--arch/powerpc/kvm/book3s_hv_hmi.c (renamed from arch/powerpc/kernel/hmi.c)0
-rw-r--r--arch/powerpc/lib/checksum_32.S7
-rw-r--r--arch/powerpc/mm/fault.c2
-rw-r--r--arch/powerpc/mm/slb_low.S7
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_lpbfifo.c1
-rw-r--r--arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c1
-rw-r--r--arch/powerpc/platforms/embedded6xx/holly.c2
-rw-r--r--arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal-dump.c7
-rw-r--r--arch/powerpc/platforms/powernv/opal-elog.c7
-rw-r--r--arch/powerpc/platforms/powernv/pci-ioda.c20
-rw-r--r--arch/powerpc/platforms/pseries/pci.c4
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c7
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/powerpc/sysdev/cpm1.c6
-rw-r--r--arch/powerpc/sysdev/cpm_common.c3
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c2
-rw-r--r--arch/powerpc/sysdev/xics/icp-opal.c12
34 files changed, 184 insertions, 86 deletions
diff --git a/arch/powerpc/include/asm/cputhreads.h b/arch/powerpc/include/asm/cputhreads.h
index 666bef4ebfae..9377bdf42eb8 100644
--- a/arch/powerpc/include/asm/cputhreads.h
+++ b/arch/powerpc/include/asm/cputhreads.h
@@ -3,6 +3,7 @@
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
+#include <asm/cpu_has_feature.h>
/*
* Mapping of threads to cores
diff --git a/arch/powerpc/include/asm/hmi.h b/arch/powerpc/include/asm/hmi.h
index 88b4901ac4ee..85b7a1a21e22 100644
--- a/arch/powerpc/include/asm/hmi.h
+++ b/arch/powerpc/include/asm/hmi.h
@@ -21,7 +21,7 @@
#ifndef __ASM_PPC64_HMI_H__
#define __ASM_PPC64_HMI_H__
-#ifdef CONFIG_PPC_BOOK3S_64
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
#define CORE_TB_RESYNC_REQ_BIT 63
#define MAX_SUBCORE_PER_CORE 4
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 148303e7771f..6a6792bb39fb 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -183,11 +183,6 @@ struct paca_struct {
*/
u16 in_mce;
u8 hmi_event_available; /* HMI event is available */
- /*
- * Bitmap for sibling subcore status. See kvm/book3s_hv_ras.c for
- * more details
- */
- struct sibling_subcore_state *sibling_subcore_state;
#endif
/* Stuff for accurate time accounting */
@@ -202,6 +197,13 @@ struct paca_struct {
struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
#endif
struct kvmppc_host_state kvm_hstate;
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+ /*
+ * Bitmap for sibling subcore status. See kvm/book3s_hv_ras.c for
+ * more details
+ */
+ struct sibling_subcore_state *sibling_subcore_state;
+#endif
#endif
};
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index b5e88e4a171a..c0309c59bed8 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -301,6 +301,7 @@ extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
/* Allocate & free a PCI host bridge structure */
extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev);
extern void pcibios_free_controller(struct pci_controller *phb);
+extern void pcibios_free_controller_deferred(struct pci_host_bridge *bridge);
#ifdef CONFIG_PCI
extern int pcibios_vaddr_is_ioport(void __iomem *address);
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index c1dc6c14deb8..c266227fdd5b 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -308,40 +308,21 @@ extern unsigned long __copy_tofrom_user(void __user *to,
static inline unsigned long copy_from_user(void *to,
const void __user *from, unsigned long n)
{
- unsigned long over;
-
- if (access_ok(VERIFY_READ, from, n)) {
- if (!__builtin_constant_p(n))
- check_object_size(to, n, false);
+ if (likely(access_ok(VERIFY_READ, from, n))) {
+ check_object_size(to, n, false);
return __copy_tofrom_user((__force void __user *)to, from, n);
}
- if ((unsigned long)from < TASK_SIZE) {
- over = (unsigned long)from + n - TASK_SIZE;
- if (!__builtin_constant_p(n - over))
- check_object_size(to, n - over, false);
- return __copy_tofrom_user((__force void __user *)to, from,
- n - over) + over;
- }
+ memset(to, 0, n);
return n;
}
static inline unsigned long copy_to_user(void __user *to,
const void *from, unsigned long n)
{
- unsigned long over;
-
if (access_ok(VERIFY_WRITE, to, n)) {
- if (!__builtin_constant_p(n))
- check_object_size(from, n, true);
+ check_object_size(from, n, true);
return __copy_tofrom_user(to, (__force void __user *)from, n);
}
- if ((unsigned long)to < TASK_SIZE) {
- over = (unsigned long)to + n - TASK_SIZE;
- if (!__builtin_constant_p(n))
- check_object_size(from, n - over, true);
- return __copy_tofrom_user(to, (__force void __user *)from,
- n - over) + over;
- }
return n;
}
@@ -383,8 +364,7 @@ static inline unsigned long __copy_from_user_inatomic(void *to,
return 0;
}
- if (!__builtin_constant_p(n))
- check_object_size(to, n, false);
+ check_object_size(to, n, false);
return __copy_tofrom_user((__force void __user *)to, from, n);
}
@@ -412,8 +392,8 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to,
if (ret == 0)
return 0;
}
- if (!__builtin_constant_p(n))
- check_object_size(from, n, true);
+
+ check_object_size(from, n, true);
return __copy_tofrom_user(to, (__force const void __user *)from, n);
}
@@ -439,10 +419,6 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size)
might_fault();
if (likely(access_ok(VERIFY_WRITE, addr, size)))
return __clear_user(addr, size);
- if ((unsigned long)addr < TASK_SIZE) {
- unsigned long over = (unsigned long)addr + size - TASK_SIZE;
- return __clear_user(addr, size - over) + over;
- }
return size;
}
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index b2027a5cf508..fe4c075bcf50 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -41,7 +41,7 @@ obj-$(CONFIG_VDSO32) += vdso32/
obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_ppc970.o cpu_setup_pa6t.o
obj-$(CONFIG_PPC_BOOK3S_64) += cpu_setup_power.o
-obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o hmi.o
+obj-$(CONFIG_PPC_BOOK3S_64) += mce.o mce_power.o
obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o
obj-$(CONFIG_PPC64) += vdso64/
obj-$(CONFIG_ALTIVEC) += vecemu.o
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 6b8bc0dd09d4..5afd03e5e8b8 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -368,13 +368,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
tabort_syscall:
/* Firstly we need to enable TM in the kernel */
mfmsr r10
- li r13, 1
- rldimi r10, r13, MSR_TM_LG, 63-MSR_TM_LG
+ li r9, 1
+ rldimi r10, r9, MSR_TM_LG, 63-MSR_TM_LG
mtmsrd r10, 0
/* tabort, this dooms the transaction, nothing else */
- li r13, (TM_CAUSE_SYSCALL|TM_CAUSE_PERSISTENT)
- TABORT(R13)
+ li r9, (TM_CAUSE_SYSCALL|TM_CAUSE_PERSISTENT)
+ TABORT(R9)
/*
* Return directly to userspace. We have corrupted user register state,
@@ -382,8 +382,8 @@ tabort_syscall:
* resume after the tbegin of the aborted transaction with the
* checkpointed register state.
*/
- li r13, MSR_RI
- andc r10, r10, r13
+ li r9, MSR_RI
+ andc r10, r10, r9
mtmsrd r10, 1
mtspr SPRN_SRR0, r11
mtspr SPRN_SRR1, r12
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index df6d45eb4115..bffec73dbffc 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -485,7 +485,23 @@ machine_check_fwnmi:
EXCEPTION_PROLOG_0(PACA_EXMC)
machine_check_pSeries_0:
EXCEPTION_PROLOG_1(PACA_EXMC, KVMTEST, 0x200)
- EXCEPTION_PROLOG_PSERIES_1(machine_check_common, EXC_STD)
+ /*
+ * The following is essentially EXCEPTION_PROLOG_PSERIES_1 with the
+ * difference that MSR_RI is not enabled, because PACA_EXMC is being
+ * used, so nested machine check corrupts it. machine_check_common
+ * enables MSR_RI.
+ */
+ ld r12,PACAKBASE(r13)
+ ld r10,PACAKMSR(r13)
+ xori r10,r10,MSR_RI
+ mfspr r11,SPRN_SRR0
+ LOAD_HANDLER(r12, machine_check_common)
+ mtspr SPRN_SRR0,r12
+ mfspr r12,SPRN_SRR1
+ mtspr SPRN_SRR1,r10
+ rfid
+ b . /* prevent speculative execution */
+
KVM_HANDLER_SKIP(PACA_EXMC, EXC_STD, 0x200)
KVM_HANDLER_SKIP(PACA_EXGEN, EXC_STD, 0x300)
KVM_HANDLER_SKIP(PACA_EXSLB, EXC_STD, 0x380)
@@ -969,14 +985,17 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_TYPE_RADIX)
machine_check_common:
mfspr r10,SPRN_DAR
- std r10,PACA_EXGEN+EX_DAR(r13)
+ std r10,PACA_EXMC+EX_DAR(r13)
mfspr r10,SPRN_DSISR
- stw r10,PACA_EXGEN+EX_DSISR(r13)
+ stw r10,PACA_EXMC+EX_DSISR(r13)
EXCEPTION_PROLOG_COMMON(0x200, PACA_EXMC)
FINISH_NAP
RECONCILE_IRQ_STATE(r10, r11)
- ld r3,PACA_EXGEN+EX_DAR(r13)
- lwz r4,PACA_EXGEN+EX_DSISR(r13)
+ ld r3,PACA_EXMC+EX_DAR(r13)
+ lwz r4,PACA_EXMC+EX_DSISR(r13)
+ /* Enable MSR_RI when finished with PACA_EXMC */
+ li r10,MSR_RI
+ mtmsrd r10,1
std r3,_DAR(r1)
std r4,_DSISR(r1)
bl save_nvgprs
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 3ed8ec09b5c9..e785cc9e1ecd 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -29,7 +29,7 @@
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/kdebug.h>
#include <linux/slab.h>
#include <asm/code-patching.h>
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 7fdf324d5b51..e58908066b0e 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -154,6 +154,42 @@ void pcibios_free_controller(struct pci_controller *phb)
EXPORT_SYMBOL_GPL(pcibios_free_controller);
/*
+ * This function is used to call pcibios_free_controller()
+ * in a deferred manner: a callback from the PCI subsystem.
+ *
+ * _*DO NOT*_ call pcibios_free_controller() explicitly if
+ * this is used (or it may access an invalid *phb pointer).
+ *
+ * The callback occurs when all references to the root bus
+ * are dropped (e.g., child buses/devices and their users).
+ *
+ * It's called as .release_fn() of 'struct pci_host_bridge'
+ * which is associated with the 'struct pci_controller.bus'
+ * (root bus) - it expects .release_data to hold a pointer
+ * to 'struct pci_controller'.
+ *
+ * In order to use it, register .release_fn()/release_data
+ * like this:
+ *
+ * pci_set_host_bridge_release(bridge,
+ * pcibios_free_controller_deferred
+ * (void *) phb);
+ *
+ * e.g. in the pcibios_root_bridge_prepare() callback from
+ * pci_create_root_bus().
+ */
+void pcibios_free_controller_deferred(struct pci_host_bridge *bridge)
+{
+ struct pci_controller *phb = (struct pci_controller *)
+ bridge->release_data;
+
+ pr_debug("domain %d, dynamic %d\n", phb->global_number, phb->is_dynamic);
+
+ pcibios_free_controller(phb);
+}
+EXPORT_SYMBOL_GPL(pcibios_free_controller_deferred);
+
+/*
* The function is used to return the minimal alignment
* for memory or I/O windows of the associated P2P bridge.
* By default, 4KiB alignment for I/O windows and 1MiB for
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 4e74fc588a3f..d3eff99e938c 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -695,7 +695,7 @@ unsigned char ibm_architecture_vec[] = {
OV4_MIN_ENT_CAP, /* minimum VP entitled capacity */
/* option vector 5: PAPR/OF options */
- VECTOR_LENGTH(18), /* length */
+ VECTOR_LENGTH(21), /* length */
0, /* don't ignore, don't halt */
OV5_FEAT(OV5_LPAR) | OV5_FEAT(OV5_SPLPAR) | OV5_FEAT(OV5_LARGE_PAGES) |
OV5_FEAT(OV5_DRCONF_MEMORY) | OV5_FEAT(OV5_DONATE_DEDICATE_CPU) |
@@ -726,8 +726,11 @@ unsigned char ibm_architecture_vec[] = {
0,
0,
OV5_FEAT(OV5_PFO_HW_RNG) | OV5_FEAT(OV5_PFO_HW_ENCR) |
- OV5_FEAT(OV5_PFO_HW_842),
- OV5_FEAT(OV5_SUB_PROCESSORS),
+ OV5_FEAT(OV5_PFO_HW_842), /* Byte 17 */
+ 0, /* Byte 18 */
+ 0, /* Byte 19 */
+ 0, /* Byte 20 */
+ OV5_FEAT(OV5_SUB_PROCESSORS), /* Byte 21 */
/* option vector 6: IBM PAPR hints */
VECTOR_LENGTH(3), /* length */
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index b6aa378aff63..a7daf749b97f 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -1226,7 +1226,21 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8,
(regs->gpr[1] + __SIGNAL_FRAMESIZE + 16);
if (!access_ok(VERIFY_READ, rt_sf, sizeof(*rt_sf)))
goto bad;
+
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ /*
+ * If there is a transactional state then throw it away.
+ * The purpose of a sigreturn is to destroy all traces of the
+ * signal frame, this includes any transactional state created
+ * within in. We only check for suspended as we can never be
+ * active in the kernel, we are active, there is nothing better to
+ * do than go ahead and Bad Thing later.
+ * The cause is not important as there will never be a
+ * recheckpoint so it's not user visible.
+ */
+ if (MSR_TM_SUSPENDED(mfmsr()))
+ tm_reclaim_current(0);
+
if (__get_user(tmp, &rt_sf->uc.uc_link))
goto bad;
uc_transact = (struct ucontext __user *)(uintptr_t)tmp;
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 7e49984d4331..70409bb90a95 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -676,7 +676,21 @@ int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5,
if (__copy_from_user(&set, &uc->uc_sigmask, sizeof(set)))
goto badframe;
set_current_blocked(&set);
+
#ifdef CONFIG_PPC_TRANSACTIONAL_MEM
+ /*
+ * If there is a transactional state then throw it away.
+ * The purpose of a sigreturn is to destroy all traces of the
+ * signal frame, this includes any transactional state created
+ * within in. We only check for suspended as we can never be
+ * active in the kernel, we are active, there is nothing better to
+ * do than go ahead and Bad Thing later.
+ * The cause is not important as there will never be a
+ * recheckpoint so it's not user visible.
+ */
+ if (MSR_TM_SUSPENDED(mfmsr()))
+ tm_reclaim_current(0);
+
if (__get_user(msr, &uc->uc_mcontext.gp_regs[PT_MSR]))
goto badframe;
if (MSR_TM_ACTIVE(msr)) {
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 25a39052bf6b..9c6f3fd58059 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -830,7 +830,7 @@ int __cpu_disable(void)
/* Update sibling maps */
base = cpu_first_thread_sibling(cpu);
- for (i = 0; i < threads_per_core; i++) {
+ for (i = 0; i < threads_per_core && base + i < nr_cpu_ids; i++) {
cpumask_clear_cpu(cpu, cpu_sibling_mask(base + i));
cpumask_clear_cpu(base + i, cpu_sibling_mask(cpu));
cpumask_clear_cpu(cpu, cpu_core_mask(base + i));
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 2cb589264cb7..62859ebe0062 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -25,7 +25,8 @@
#include <linux/user.h>
#include <linux/interrupt.h>
#include <linux/init.h>
-#include <linux/module.h>
+#include <linux/extable.h>
+#include <linux/module.h> /* print_modules */
#include <linux/prctl.h>
#include <linux/delay.h>
#include <linux/kprobes.h>
diff --git a/arch/powerpc/kvm/Makefile b/arch/powerpc/kvm/Makefile
index 1f9e5529e692..855d4b95d752 100644
--- a/arch/powerpc/kvm/Makefile
+++ b/arch/powerpc/kvm/Makefile
@@ -78,6 +78,7 @@ kvm-book3s_64-builtin-xics-objs-$(CONFIG_KVM_XICS) := \
ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
kvm-book3s_64-builtin-objs-$(CONFIG_KVM_BOOK3S_64_HANDLER) += \
+ book3s_hv_hmi.o \
book3s_hv_rmhandlers.o \
book3s_hv_rm_mmu.o \
book3s_hv_ras.o \
diff --git a/arch/powerpc/kernel/hmi.c b/arch/powerpc/kvm/book3s_hv_hmi.c
index e3f738eb1cac..e3f738eb1cac 100644
--- a/arch/powerpc/kernel/hmi.c
+++ b/arch/powerpc/kvm/book3s_hv_hmi.c
diff --git a/arch/powerpc/lib/checksum_32.S b/arch/powerpc/lib/checksum_32.S
index 0a57fe6d49cc..aa8214f30c92 100644
--- a/arch/powerpc/lib/checksum_32.S
+++ b/arch/powerpc/lib/checksum_32.S
@@ -127,18 +127,19 @@ _GLOBAL(csum_partial_copy_generic)
stw r7,12(r1)
stw r8,8(r1)
- rlwinm r0,r4,3,0x8
- rlwnm r6,r6,r0,0,31 /* odd destination address: rotate one byte */
- cmplwi cr7,r0,0 /* is destination address even ? */
addic r12,r6,0
addi r6,r4,-4
neg r0,r4
addi r4,r3,-4
andi. r0,r0,CACHELINE_MASK /* # bytes to start of cache line */
+ crset 4*cr7+eq
beq 58f
cmplw 0,r5,r0 /* is this more than total to do? */
blt 63f /* if not much to do */
+ rlwinm r7,r6,3,0x8
+ rlwnm r12,r12,r7,0,31 /* odd destination address: rotate one byte */
+ cmplwi cr7,r7,0 /* is destination address even ? */
andi. r8,r0,3 /* get it word-aligned first */
mtctr r8
beq+ 61f
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index a4db22f65021..bb1ffc559f38 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -26,7 +26,7 @@
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/highmem.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
#include <linux/perf_event.h>
diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index dfdb90cb4403..9f1983404e1a 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -113,7 +113,12 @@ BEGIN_FTR_SECTION
END_MMU_FTR_SECTION_IFCLR(MMU_FTR_1T_SEGMENT)
b slb_finish_load_1T
-0:
+0: /*
+ * For userspace addresses, make sure this is region 0.
+ */
+ cmpdi r9, 0
+ bne 8f
+
/* when using slices, we extract the psize off the slice bitmaps
* and then we need to get the sllp encoding off the mmu_psize_defs
* array.
diff --git a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
index 8eb82b043dd8..d93dd4acf40b 100644
--- a/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
+++ b/arch/powerpc/platforms/512x/mpc512x_lpbfifo.c
@@ -528,7 +528,6 @@ static struct platform_driver mpc512x_lpbfifo_driver = {
.remove = mpc512x_lpbfifo_remove,
.driver = {
.name = DRV_NAME,
- .owner = THIS_MODULE,
.of_match_table = mpc512x_lpbfifo_match,
},
};
diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
index dbcd0303afed..63c5ab6489c9 100644
--- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
+++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
@@ -222,7 +222,6 @@ static const struct of_device_id mcu_of_match_table[] = {
static struct i2c_driver mcu_driver = {
.driver = {
.name = "mcu-mpc8349emitx",
- .owner = THIS_MODULE,
.of_match_table = mcu_of_match_table,
},
.probe = mcu_probe,
diff --git a/arch/powerpc/platforms/embedded6xx/holly.c b/arch/powerpc/platforms/embedded6xx/holly.c
index dafba1057a47..dfd310031549 100644
--- a/arch/powerpc/platforms/embedded6xx/holly.c
+++ b/arch/powerpc/platforms/embedded6xx/holly.c
@@ -26,7 +26,7 @@
#include <linux/tty.h>
#include <linux/serial_core.h>
#include <linux/of_platform.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <asm/time.h>
#include <asm/machdep.h>
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index 80804f9916ee..f97bab8e37a2 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -23,7 +23,7 @@
#include <linux/pci.h>
#include <linux/kdev_t.h>
#include <linux/console.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/seq_file.h>
diff --git a/arch/powerpc/platforms/powernv/opal-dump.c b/arch/powerpc/platforms/powernv/opal-dump.c
index 2ee96431f736..4c827826c05e 100644
--- a/arch/powerpc/platforms/powernv/opal-dump.c
+++ b/arch/powerpc/platforms/powernv/opal-dump.c
@@ -370,6 +370,7 @@ static irqreturn_t process_dump(int irq, void *data)
uint32_t dump_id, dump_size, dump_type;
struct dump_obj *dump;
char name[22];
+ struct kobject *kobj;
rc = dump_read_info(&dump_id, &dump_size, &dump_type);
if (rc != OPAL_SUCCESS)
@@ -381,8 +382,12 @@ static irqreturn_t process_dump(int irq, void *data)
* that gracefully and not create two conflicting
* entries.
*/
- if (kset_find_obj(dump_kset, name))
+ kobj = kset_find_obj(dump_kset, name);
+ if (kobj) {
+ /* Drop reference added by kset_find_obj() */
+ kobject_put(kobj);
return 0;
+ }
dump = create_dump_obj(dump_id, dump_size, dump_type);
if (!dump)
diff --git a/arch/powerpc/platforms/powernv/opal-elog.c b/arch/powerpc/platforms/powernv/opal-elog.c
index 37f959bf392e..f2344cbd2f46 100644
--- a/arch/powerpc/platforms/powernv/opal-elog.c
+++ b/arch/powerpc/platforms/powernv/opal-elog.c
@@ -247,6 +247,7 @@ static irqreturn_t elog_event(int irq, void *data)
uint64_t elog_type;
int rc;
char name[2+16+1];
+ struct kobject *kobj;
rc = opal_get_elog_size(&id, &size, &type);
if (rc != OPAL_SUCCESS) {
@@ -269,8 +270,12 @@ static irqreturn_t elog_event(int irq, void *data)
* that gracefully and not create two conflicting
* entries.
*/
- if (kset_find_obj(elog_kset, name))
+ kobj = kset_find_obj(elog_kset, name);
+ if (kobj) {
+ /* Drop reference added by kset_find_obj() */
+ kobject_put(kobj);
return IRQ_HANDLED;
+ }
create_elog_obj(log_id, elog_size, elog_type);
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index fd9444f9fb0c..c16d790808f1 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -149,7 +149,7 @@ static void pnv_ioda_reserve_pe(struct pnv_phb *phb, int pe_no)
static struct pnv_ioda_pe *pnv_ioda_alloc_pe(struct pnv_phb *phb)
{
- unsigned long pe = phb->ioda.total_pe_num - 1;
+ long pe;
for (pe = phb->ioda.total_pe_num - 1; pe >= 0; pe--) {
if (!test_and_set_bit(pe, phb->ioda.pe_alloc))
@@ -162,11 +162,12 @@ static struct pnv_ioda_pe *pnv_ioda_alloc_pe(struct pnv_phb *phb)
static void pnv_ioda_free_pe(struct pnv_ioda_pe *pe)
{
struct pnv_phb *phb = pe->phb;
+ unsigned int pe_num = pe->pe_number;
WARN_ON(pe->pdev);
memset(pe, 0, sizeof(struct pnv_ioda_pe));
- clear_bit(pe->pe_number, phb->ioda.pe_alloc);
+ clear_bit(pe_num, phb->ioda.pe_alloc);
}
/* The default M64 BAR is shared by all PEs */
@@ -3402,12 +3403,6 @@ static void pnv_ioda_release_pe(struct pnv_ioda_pe *pe)
struct pnv_phb *phb = pe->phb;
struct pnv_ioda_pe *slave, *tmp;
- /* Release slave PEs in compound PE */
- if (pe->flags & PNV_IODA_PE_MASTER) {
- list_for_each_entry_safe(slave, tmp, &pe->slaves, list)
- pnv_ioda_release_pe(slave);
- }
-
list_del(&pe->list);
switch (phb->type) {
case PNV_PHB_IODA1:
@@ -3422,6 +3417,15 @@ static void pnv_ioda_release_pe(struct pnv_ioda_pe *pe)
pnv_ioda_release_pe_seg(pe);
pnv_ioda_deconfigure_pe(pe->phb, pe);
+
+ /* Release slave PEs in the compound PE */
+ if (pe->flags & PNV_IODA_PE_MASTER) {
+ list_for_each_entry_safe(slave, tmp, &pe->slaves, list) {
+ list_del(&slave->list);
+ pnv_ioda_free_pe(slave);
+ }
+ }
+
pnv_ioda_free_pe(pe);
}
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index fe16a50700de..09eba5a9929a 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -119,6 +119,10 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
bus = bridge->bus;
+ /* Rely on the pcibios_free_controller_deferred() callback. */
+ pci_set_host_bridge_release(bridge, pcibios_free_controller_deferred,
+ (void *) pci_bus_to_host(bus));
+
dn = pcibios_get_phb_of_node(bus);
if (!dn)
return 0;
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 906dbaa97fe2..547fd13e4f8e 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -106,8 +106,11 @@ int remove_phb_dynamic(struct pci_controller *phb)
release_resource(res);
}
- /* Free pci_controller data structure */
- pcibios_free_controller(phb);
+ /*
+ * The pci_controller data structure is freed by
+ * the pcibios_free_controller_deferred() callback;
+ * see pseries_root_bridge_prepare().
+ */
return 0;
}
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 4ffcaa6f8670..a39d20e8623d 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -41,7 +41,6 @@
#include <linux/root_dev.h>
#include <linux/of.h>
#include <linux/of_pci.h>
-#include <linux/kexec.h>
#include <asm/mmu.h>
#include <asm/processor.h>
@@ -66,6 +65,7 @@
#include <asm/eeh.h>
#include <asm/reg.h>
#include <asm/plpar_wrappers.h>
+#include <asm/kexec.h>
#include "pseries.h"
diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index 6c110994d902..81d49476c47e 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -534,7 +534,8 @@ struct cpm1_gpio16_chip {
static void cpm1_gpio16_save_regs(struct of_mm_gpio_chip *mm_gc)
{
- struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm1_gpio16_chip *cpm1_gc =
+ container_of(mm_gc, struct cpm1_gpio16_chip, mm_gc);
struct cpm_ioport16 __iomem *iop = mm_gc->regs;
cpm1_gc->cpdata = in_be16(&iop->dat);
@@ -649,7 +650,8 @@ struct cpm1_gpio32_chip {
static void cpm1_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc)
{
- struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm1_gpio32_chip *cpm1_gc =
+ container_of(mm_gc, struct cpm1_gpio32_chip, mm_gc);
struct cpm_ioport32b __iomem *iop = mm_gc->regs;
cpm1_gc->cpdata = in_be32(&iop->dat);
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 911456d17713..947f42007734 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -94,7 +94,8 @@ struct cpm2_gpio32_chip {
static void cpm2_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc)
{
- struct cpm2_gpio32_chip *cpm2_gc = gpiochip_get_data(&mm_gc->gc);
+ struct cpm2_gpio32_chip *cpm2_gc =
+ container_of(mm_gc, struct cpm2_gpio32_chip, mm_gc);
struct cpm2_ioports __iomem *iop = mm_gc->regs;
cpm2_gc->cpdata = in_be32(&iop->dat);
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 68e7c0dd2e45..3cc7cace194a 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -23,7 +23,7 @@
*/
#include <linux/init.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/types.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
diff --git a/arch/powerpc/sysdev/xics/icp-opal.c b/arch/powerpc/sysdev/xics/icp-opal.c
index 57d72f10a97f..9114243fa1b5 100644
--- a/arch/powerpc/sysdev/xics/icp-opal.c
+++ b/arch/powerpc/sysdev/xics/icp-opal.c
@@ -23,10 +23,10 @@
static void icp_opal_teardown_cpu(void)
{
- int cpu = smp_processor_id();
+ int hw_cpu = hard_smp_processor_id();
/* Clear any pending IPI */
- opal_int_set_mfrr(cpu, 0xff);
+ opal_int_set_mfrr(hw_cpu, 0xff);
}
static void icp_opal_flush_ipi(void)
@@ -101,14 +101,16 @@ static void icp_opal_eoi(struct irq_data *d)
static void icp_opal_cause_ipi(int cpu, unsigned long data)
{
- opal_int_set_mfrr(cpu, IPI_PRIORITY);
+ int hw_cpu = get_hard_smp_processor_id(cpu);
+
+ opal_int_set_mfrr(hw_cpu, IPI_PRIORITY);
}
static irqreturn_t icp_opal_ipi_action(int irq, void *dev_id)
{
- int cpu = smp_processor_id();
+ int hw_cpu = hard_smp_processor_id();
- opal_int_set_mfrr(cpu, 0xff);
+ opal_int_set_mfrr(hw_cpu, 0xff);
return smp_ipi_demux();
}