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-rw-r--r--arch/powerpc/include/asm/cacheflush.h7
-rw-r--r--arch/powerpc/include/asm/cputable.h2
-rw-r--r--arch/powerpc/include/asm/eeh.h13
-rw-r--r--arch/powerpc/include/asm/fsl_pamu_stash.h4
-rw-r--r--arch/powerpc/include/asm/kprobes.h63
-rw-r--r--arch/powerpc/include/asm/opal.h10
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h4
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc32.h25
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h2
-rw-r--r--arch/powerpc/include/asm/pgtable.h7
-rw-r--r--arch/powerpc/include/asm/pnv-pci.h4
-rw-r--r--arch/powerpc/include/asm/pte-8xx.h9
-rw-r--r--arch/powerpc/include/asm/pte-common.h25
-rw-r--r--arch/powerpc/include/asm/rtas.h2
-rw-r--r--arch/powerpc/include/asm/smp.h1
-rw-r--r--arch/powerpc/include/asm/thread_info.h2
16 files changed, 111 insertions, 69 deletions
diff --git a/arch/powerpc/include/asm/cacheflush.h b/arch/powerpc/include/asm/cacheflush.h
index 5b9312220e8..30b35fff2de 100644
--- a/arch/powerpc/include/asm/cacheflush.h
+++ b/arch/powerpc/include/asm/cacheflush.h
@@ -60,13 +60,6 @@ extern void flush_dcache_phys_range(unsigned long start, unsigned long stop);
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
memcpy(dst, src, len)
-
-
-#ifdef CONFIG_DEBUG_PAGEALLOC
-/* internal debugging function */
-void kernel_map_pages(struct page *page, int numpages, int enable);
-#endif
-
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_CACHEFLUSH_H */
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 22d5a7da9e6..5cf5a6d1068 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -165,7 +165,7 @@ extern const char *powerpc_base_platform;
#define CPU_FTR_ARCH_201 LONG_ASM_CONST(0x0000000200000000)
#define CPU_FTR_ARCH_206 LONG_ASM_CONST(0x0000000400000000)
#define CPU_FTR_ARCH_207S LONG_ASM_CONST(0x0000000800000000)
-#define CPU_FTR_IABR LONG_ASM_CONST(0x0000001000000000)
+/* Free LONG_ASM_CONST(0x0000001000000000) */
#define CPU_FTR_MMCRA LONG_ASM_CONST(0x0000002000000000)
#define CPU_FTR_CTRL LONG_ASM_CONST(0x0000004000000000)
#define CPU_FTR_SMT LONG_ASM_CONST(0x0000008000000000)
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index 0652ebe117a..55abfd09e47 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -38,8 +38,9 @@ struct device_node;
#define EEH_FORCE_DISABLED 0x02 /* EEH disabled */
#define EEH_PROBE_MODE_DEV 0x04 /* From PCI device */
#define EEH_PROBE_MODE_DEVTREE 0x08 /* From device tree */
-#define EEH_ENABLE_IO_FOR_LOG 0x10 /* Enable IO for log */
-#define EEH_EARLY_DUMP_LOG 0x20 /* Dump log immediately */
+#define EEH_VALID_PE_ZERO 0x10 /* PE#0 is valid */
+#define EEH_ENABLE_IO_FOR_LOG 0x20 /* Enable IO for log */
+#define EEH_EARLY_DUMP_LOG 0x40 /* Dump log immediately */
/*
* Delay for PE reset, all in ms
@@ -77,6 +78,7 @@ struct device_node;
#define EEH_PE_KEEP (1 << 8) /* Keep PE on hotplug */
#define EEH_PE_CFG_RESTRICTED (1 << 9) /* Block config on error */
+#define EEH_PE_REMOVED (1 << 10) /* Removed permanently */
struct eeh_pe {
int type; /* PE type: PHB/Bus/Device */
@@ -216,6 +218,7 @@ struct eeh_ops {
};
extern int eeh_subsystem_flags;
+extern int eeh_max_freezes;
extern struct eeh_ops *eeh_ops;
extern raw_spinlock_t confirm_error_lock;
@@ -253,12 +256,6 @@ static inline void eeh_serialize_unlock(unsigned long flags)
raw_spin_unlock_irqrestore(&confirm_error_lock, flags);
}
-/*
- * Max number of EEH freezes allowed before we consider the device
- * to be permanently disabled.
- */
-#define EEH_MAX_ALLOWED_FREEZES 5
-
typedef void *(*eeh_traverse_func)(void *data, void *flag);
void eeh_set_pe_aux_size(int size);
int eeh_phb_pe_create(struct pci_controller *phb);
diff --git a/arch/powerpc/include/asm/fsl_pamu_stash.h b/arch/powerpc/include/asm/fsl_pamu_stash.h
index caa1b21c25c..38311c98eed 100644
--- a/arch/powerpc/include/asm/fsl_pamu_stash.h
+++ b/arch/powerpc/include/asm/fsl_pamu_stash.h
@@ -32,8 +32,8 @@ enum pamu_stash_target {
*/
struct pamu_stash_attribute {
- u32 cpu; /* cpu number */
- u32 cache; /* cache to stash to: L1,L2,L3 */
+ u32 cpu; /* cpu number */
+ u32 cache; /* cache to stash to: L1,L2,L3 */
};
#endif /* __FSL_PAMU_STASH_H */
diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
index af15d4d8d60..039b583db02 100644
--- a/arch/powerpc/include/asm/kprobes.h
+++ b/arch/powerpc/include/asm/kprobes.h
@@ -41,34 +41,59 @@ typedef ppc_opcode_t kprobe_opcode_t;
#define MAX_INSN_SIZE 1
#ifdef CONFIG_PPC64
+#if defined(_CALL_ELF) && _CALL_ELF == 2
+/* PPC64 ABIv2 needs local entry point */
+#define kprobe_lookup_name(name, addr) \
+{ \
+ addr = (kprobe_opcode_t *)kallsyms_lookup_name(name); \
+ if (addr) \
+ addr = (kprobe_opcode_t *)ppc_function_entry(addr); \
+}
+#else
/*
- * 64bit powerpc uses function descriptors.
- * Handle cases where:
- * - User passes a <.symbol> or <module:.symbol>
- * - User passes a <symbol> or <module:symbol>
- * - User passes a non-existent symbol, kallsyms_lookup_name
- * returns 0. Don't deref the NULL pointer in that case
+ * 64bit powerpc ABIv1 uses function descriptors:
+ * - Check for the dot variant of the symbol first.
+ * - If that fails, try looking up the symbol provided.
+ *
+ * This ensures we always get to the actual symbol and not the descriptor.
+ * Also handle <module:symbol> format.
*/
#define kprobe_lookup_name(name, addr) \
{ \
- addr = (kprobe_opcode_t *)kallsyms_lookup_name(name); \
- if (addr) { \
- char *colon; \
- if ((colon = strchr(name, ':')) != NULL) { \
- colon++; \
- if (*colon != '\0' && *colon != '.') \
- addr = (kprobe_opcode_t *)ppc_function_entry(addr); \
- } else if (name[0] != '.') \
- addr = (kprobe_opcode_t *)ppc_function_entry(addr); \
- } else { \
- char dot_name[KSYM_NAME_LEN]; \
+ char dot_name[MODULE_NAME_LEN + 1 + KSYM_NAME_LEN]; \
+ char *modsym; \
+ bool dot_appended = false; \
+ if ((modsym = strchr(name, ':')) != NULL) { \
+ modsym++; \
+ if (*modsym != '\0' && *modsym != '.') { \
+ /* Convert to <module:.symbol> */ \
+ strncpy(dot_name, name, modsym - name); \
+ dot_name[modsym - name] = '.'; \
+ dot_name[modsym - name + 1] = '\0'; \
+ strncat(dot_name, modsym, \
+ sizeof(dot_name) - (modsym - name) - 2);\
+ dot_appended = true; \
+ } else { \
+ dot_name[0] = '\0'; \
+ strncat(dot_name, name, sizeof(dot_name) - 1); \
+ } \
+ } else if (name[0] != '.') { \
dot_name[0] = '.'; \
dot_name[1] = '\0'; \
strncat(dot_name, name, KSYM_NAME_LEN - 2); \
- addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \
+ dot_appended = true; \
+ } else { \
+ dot_name[0] = '\0'; \
+ strncat(dot_name, name, KSYM_NAME_LEN - 1); \
+ } \
+ addr = (kprobe_opcode_t *)kallsyms_lookup_name(dot_name); \
+ if (!addr && dot_appended) { \
+ /* Let's try the original non-dot symbol lookup */ \
+ addr = (kprobe_opcode_t *)kallsyms_lookup_name(name); \
} \
}
-#endif
+#endif /* defined(_CALL_ELF) && _CALL_ELF == 2 */
+#endif /* CONFIG_PPC64 */
#define flush_insn_slot(p) do { } while (0)
#define kretprobe_blacklist_size 0
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index eb95b675109..9ee0a30a02c 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -304,7 +304,7 @@ enum OpalMessageType {
*/
OPAL_MSG_MEM_ERR,
OPAL_MSG_EPOW,
- OPAL_MSG_SHUTDOWN,
+ OPAL_MSG_SHUTDOWN, /* params[0] = 1 reboot, 0 shutdown */
OPAL_MSG_HMI_EVT,
OPAL_MSG_TYPE_MAX,
};
@@ -595,6 +595,14 @@ enum {
OPAL_PHB3_NUM_PEST_REGS = 256
};
+/* CAPI modes for PHB */
+enum {
+ OPAL_PHB_CAPI_MODE_PCIE = 0,
+ OPAL_PHB_CAPI_MODE_CAPI = 1,
+ OPAL_PHB_CAPI_MODE_SNOOP_OFF = 2,
+ OPAL_PHB_CAPI_MODE_SNOOP_ON = 3,
+};
+
struct OpalIoPhbErrorCommon {
__be32 version;
__be32 ioType;
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 725247beebe..546d036fe92 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -119,6 +119,10 @@ extern void setup_indirect_pci(struct pci_controller* hose,
extern int indirect_read_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 *val);
+extern int __indirect_read_config(struct pci_controller *hose,
+ unsigned char bus_number, unsigned int devfn,
+ int offset, int len, u32 *val);
+
extern int indirect_write_config(struct pci_bus *bus, unsigned int devfn,
int offset, int len, u32 val);
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index 234e07c4780..14bdcbd3167 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -45,7 +45,7 @@ extern int icache_44x_need_flush;
#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT))
#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0
+#define FIRST_USER_ADDRESS 0UL
#define pte_ERROR(e) \
pr_err("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \
@@ -178,12 +178,11 @@ static inline unsigned long pte_update(pte_t *p,
andc %1,%0,%5\n\
or %1,%1,%6\n\
/* 0x200 == Extended encoding, bit 22 */ \
- /* Bit 22 has to be 1 if neither _PAGE_USER nor _PAGE_RW are set */ \
- rlwimi %1,%1,32-2,0x200\n /* get _PAGE_USER */ \
- rlwinm %3,%1,32-1,0x200\n /* get _PAGE_RW */ \
- or %1,%3,%1\n\
- xori %1,%1,0x200\n"
-" stwcx. %1,0,%4\n\
+ /* Bit 22 has to be 1 when _PAGE_USER is unset and _PAGE_RO is set */ \
+ rlwimi %1,%1,32-1,0x200\n /* get _PAGE_RO */ \
+ rlwinm %3,%1,32-2,0x200\n /* get _PAGE_USER */ \
+ andc %1,%1,%3\n\
+ stwcx. %1,0,%4\n\
bne- 1b"
: "=&r" (old), "=&r" (tmp), "=m" (*p), "=&r" (tmp2)
: "r" (p), "r" (clr), "r" (set), "m" (*p)
@@ -275,7 +274,7 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
{
- pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), 0);
+ pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO);
}
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
@@ -286,9 +285,11 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
{
- unsigned long bits = pte_val(entry) &
+ unsigned long set = pte_val(entry) &
(_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC);
- pte_update(ptep, 0, bits);
+ unsigned long clr = ~pte_val(entry) & _PAGE_RO;
+
+ pte_update(ptep, clr, set);
}
#define __HAVE_ARCH_PTE_SAME
@@ -346,10 +347,14 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
#define pte_to_pgoff(pte) (pte_val(pte) >> 3)
#define pgoff_to_pte(off) ((pte_t) { ((off) << 3) | _PAGE_FILE })
+#ifndef CONFIG_PPC_4K_PAGES
+void pgtable_cache_init(void);
+#else
/*
* No page table caches to initialise
*/
#define pgtable_cache_init() do { } while (0)
+#endif
extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
pmd_t **pmdp);
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index b9dcc936e2d..d46532ccc38 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -12,7 +12,7 @@
#endif
#include <asm/barrier.h>
-#define FIRST_USER_ADDRESS 0
+#define FIRST_USER_ADDRESS 0UL
/*
* Size of EA range mapped by our pagetables.
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index a8805fee0df..7e77f2ca513 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -30,7 +30,8 @@ struct mm_struct;
#include <asm/tlbflush.h>
/* Generic accessors to PTE bits */
-static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
+static inline int pte_write(pte_t pte)
+{ return (pte_val(pte) & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO; }
static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
@@ -115,12 +116,14 @@ static inline unsigned long pte_pfn(pte_t pte) {
/* Generic modifiers for PTE bits */
static inline pte_t pte_wrprotect(pte_t pte) {
- pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE); return pte; }
+ pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE);
+ pte_val(pte) |= _PAGE_RO; return pte; }
static inline pte_t pte_mkclean(pte_t pte) {
pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; }
static inline pte_t pte_mkold(pte_t pte) {
pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
static inline pte_t pte_mkwrite(pte_t pte) {
+ pte_val(pte) &= ~_PAGE_RO;
pte_val(pte) |= _PAGE_RW; return pte; }
static inline pte_t pte_mkdirty(pte_t pte) {
pte_val(pte) |= _PAGE_DIRTY; return pte; }
diff --git a/arch/powerpc/include/asm/pnv-pci.h b/arch/powerpc/include/asm/pnv-pci.h
index f09a22fa1bd..f9b498292a5 100644
--- a/arch/powerpc/include/asm/pnv-pci.h
+++ b/arch/powerpc/include/asm/pnv-pci.h
@@ -13,13 +13,13 @@
#include <linux/pci.h>
#include <misc/cxl.h>
-int pnv_phb_to_cxl(struct pci_dev *dev);
+int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode);
int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq,
unsigned int virq);
int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num);
void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num);
int pnv_cxl_get_irq_count(struct pci_dev *dev);
-struct device_node *pnv_pci_to_phb_node(struct pci_dev *dev);
+struct device_node *pnv_pci_get_phb_node(struct pci_dev *dev);
#ifdef CONFIG_CXL_BASE
int pnv_cxl_alloc_hwirq_ranges(struct cxl_irq_ranges *irqs,
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h
index daa4616e61c..eb6edb44f14 100644
--- a/arch/powerpc/include/asm/pte-8xx.h
+++ b/arch/powerpc/include/asm/pte-8xx.h
@@ -46,9 +46,9 @@
* require a TLB exception handler change. It is assumed unused bits
* are always zero.
*/
-#define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */
+#define _PAGE_RO 0x0400 /* lsb PP bits */
#define _PAGE_USER 0x0800 /* msb PP bits */
-/* set when neither _PAGE_USER nor _PAGE_RW are set */
+/* set when _PAGE_USER is unset and _PAGE_RO is set */
#define _PAGE_KNLRO 0x0200
#define _PMD_PRESENT 0x0001
@@ -62,9 +62,8 @@
#define PTE_ATOMIC_UPDATES 1
/* We need to add _PAGE_SHARED to kernel pages */
-#define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_KNLRO)
-#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_KNLRO)
-#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
+#define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_RO | _PAGE_KNLRO)
+#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_RO | _PAGE_KNLRO)
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PTE_8xx_H */
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index e040c359512..2aef9b7a0eb 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -34,6 +34,12 @@
#ifndef _PAGE_PSIZE
#define _PAGE_PSIZE 0
#endif
+/* _PAGE_RO and _PAGE_RW shall not be defined at the same time */
+#ifndef _PAGE_RO
+#define _PAGE_RO 0
+#else
+#define _PAGE_RW 0
+#endif
#ifndef _PMD_PRESENT_MASK
#define _PMD_PRESENT_MASK _PMD_PRESENT
#endif
@@ -42,10 +48,10 @@
#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE()
#endif
#ifndef _PAGE_KERNEL_RO
-#define _PAGE_KERNEL_RO 0
+#define _PAGE_KERNEL_RO (_PAGE_RO)
#endif
#ifndef _PAGE_KERNEL_ROX
-#define _PAGE_KERNEL_ROX (_PAGE_EXEC)
+#define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_RO)
#endif
#ifndef _PAGE_KERNEL_RW
#define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE)
@@ -95,7 +101,7 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
/* Mask of bits returned by pte_pgprot() */
#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
_PAGE_WRITETHRU | _PAGE_ENDIAN | _PAGE_4K_PFN | \
- _PAGE_USER | _PAGE_ACCESSED | \
+ _PAGE_USER | _PAGE_ACCESSED | _PAGE_RO | \
_PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | _PAGE_EXEC)
#ifdef CONFIG_NUMA_BALANCING
@@ -128,11 +134,14 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
*/
#define PAGE_NONE __pgprot(_PAGE_BASE)
#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW)
-#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | _PAGE_EXEC)
-#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER)
-#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
-#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER)
-#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
+#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \
+ _PAGE_EXEC)
+#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
+#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
+ _PAGE_EXEC)
+#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
+#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
+ _PAGE_EXEC)
#define __P000 PAGE_NONE
#define __P001 PAGE_READONLY
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index b390f55b0df..2e23e92a437 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -327,7 +327,7 @@ extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
extern int rtas_online_cpus_mask(cpumask_var_t cpus);
extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
-extern int rtas_ibm_suspend_me(struct rtas_args *);
+extern int rtas_ibm_suspend_me(u64 handle, int *vasi_return);
struct rtc_time;
extern unsigned long rtas_get_boot_time(void);
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 5a6614a7f0b..d607df5081a 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -64,7 +64,6 @@ DECLARE_PER_CPU(unsigned int, cpu_pvr);
extern void migrate_irqs(void);
int generic_cpu_disable(void);
void generic_cpu_die(unsigned int cpu);
-void generic_mach_cpu_die(void);
void generic_set_cpu_dead(unsigned int cpu);
void generic_set_cpu_up(unsigned int cpu);
int generic_check_cpu_restart(unsigned int cpu);
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index 0be6c681cab..e8abc83e699 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -125,7 +125,7 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE)
#define _TIF_NOHZ (1<<TIF_NOHZ)
-#define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
+#define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
_TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \
_TIF_NOHZ)