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-rw-r--r--arch/powerpc/kernel/Makefile9
-rw-r--r--arch/powerpc/kernel/asm-offsets.c1
-rw-r--r--arch/powerpc/kernel/cputable.c22
-rw-r--r--arch/powerpc/kernel/crash_dump.c33
-rw-r--r--arch/powerpc/kernel/dma-iommu.c2
-rw-r--r--arch/powerpc/kernel/entry_32.S1
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S1
-rw-r--r--arch/powerpc/kernel/fpu.S1
-rw-r--r--arch/powerpc/kernel/head_40x.S1
-rw-r--r--arch/powerpc/kernel/head_44x.S1
-rw-r--r--arch/powerpc/kernel/head_64.S7
-rw-r--r--arch/powerpc/kernel/head_8xx.S1
-rw-r--r--arch/powerpc/kernel/head_fsl_booke.S1
-rw-r--r--arch/powerpc/kernel/iommu.c14
-rw-r--r--arch/powerpc/kernel/misc.S5
-rw-r--r--arch/powerpc/kernel/misc_32.S1
-rw-r--r--arch/powerpc/kernel/misc_64.S1
-rw-r--r--arch/powerpc/kernel/nvram_64.c481
-rw-r--r--arch/powerpc/kernel/pci_64.c3
-rw-r--r--arch/powerpc/kernel/ppc_ksyms.c7
-rw-r--r--arch/powerpc/kernel/ppc_save_regs.S1
-rw-r--r--arch/powerpc/kernel/prom_parse.c38
-rw-r--r--arch/powerpc/kernel/ptrace.c22
-rw-r--r--arch/powerpc/kernel/ptrace32.c7
-rw-r--r--arch/powerpc/kernel/rtas.c3
-rw-r--r--arch/powerpc/kernel/setup_64.c4
-rw-r--r--arch/powerpc/kernel/smp.c19
-rw-r--r--arch/powerpc/kernel/time.c2
-rw-r--r--arch/powerpc/kernel/vector.S1
-rw-r--r--arch/powerpc/kernel/vio.c15
30 files changed, 301 insertions, 404 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 36c30f31ec9..3bb2a3e6a33 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -29,8 +29,10 @@ endif
obj-y := cputable.o ptrace.o syscalls.o \
irq.o align.o signal_32.o pmc.o vdso.o \
init_task.o process.o systbl.o idle.o \
- signal.o sysfs.o cacheinfo.o
-obj-y += vdso32/
+ signal.o sysfs.o cacheinfo.o time.o \
+ prom.o traps.o setup-common.o \
+ udbg.o misc.o io.o dma.o \
+ misc_$(CONFIG_WORD_SIZE).o vdso32/
obj-$(CONFIG_PPC64) += setup_64.o sys_ppc32.o \
signal_64.o ptrace32.o \
paca.o nvram_64.o firmware.o
@@ -80,9 +82,6 @@ extra-$(CONFIG_FSL_BOOKE) := head_fsl_booke.o
extra-$(CONFIG_8xx) := head_8xx.o
extra-y += vmlinux.lds
-obj-y += time.o prom.o traps.o setup-common.o \
- udbg.o misc.o io.o dma.o \
- misc_$(CONFIG_WORD_SIZE).o
obj-$(CONFIG_PPC32) += entry_32.o setup_32.o
obj-$(CONFIG_PPC64) += dma-iommu.o iommu.o
obj-$(CONFIG_KGDB) += kgdb.o
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index bd0df2e6aa8..23e6a93145a 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -209,7 +209,6 @@ int main(void)
DEFINE(RTASENTRY, offsetof(struct rtas_t, entry));
/* Interrupt register frame */
- DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
DEFINE(INT_FRAME_SIZE, STACK_INT_FRAME_SIZE);
DEFINE(SWITCH_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
#ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 96a908f1cd8..be5ab18b03b 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -457,16 +457,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
.dcache_bsize = 128,
.num_pmcs = 6,
.pmc_type = PPC_PMC_IBM,
- .cpu_setup = __setup_cpu_power7,
- .cpu_restore = __restore_cpu_power7,
.oprofile_cpu_type = "ppc64/power7",
.oprofile_type = PPC_OPROFILE_POWER4,
- .oprofile_mmcra_sihv = POWER6_MMCRA_SIHV,
- .oprofile_mmcra_sipr = POWER6_MMCRA_SIPR,
- .oprofile_mmcra_clear = POWER6_MMCRA_THRM |
- POWER6_MMCRA_OTHER,
.platform = "power7",
},
+ { /* Power7+ */
+ .pvr_mask = 0xffff0000,
+ .pvr_value = 0x004A0000,
+ .cpu_name = "POWER7+ (raw)",
+ .cpu_features = CPU_FTRS_POWER7,
+ .cpu_user_features = COMMON_USER_POWER7,
+ .mmu_features = MMU_FTR_HPTE_TABLE |
+ MMU_FTR_TLBIE_206,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 6,
+ .pmc_type = PPC_PMC_IBM,
+ .oprofile_cpu_type = "ppc64/power7",
+ .oprofile_type = PPC_OPROFILE_POWER4,
+ .platform = "power7+",
+ },
{ /* Cell Broadband Engine */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00700000,
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 8e05c16344e..0a2af50243c 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -19,6 +19,7 @@
#include <asm/prom.h>
#include <asm/firmware.h>
#include <asm/uaccess.h>
+#include <asm/rtas.h>
#ifdef DEBUG
#include <asm/udbg.h>
@@ -141,3 +142,35 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
return csize;
}
+
+#ifdef CONFIG_PPC_RTAS
+/*
+ * The crashkernel region will almost always overlap the RTAS region, so
+ * we have to be careful when shrinking the crashkernel region.
+ */
+void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
+{
+ unsigned long addr;
+ const u32 *basep, *sizep;
+ unsigned int rtas_start = 0, rtas_end = 0;
+
+ basep = of_get_property(rtas.dev, "linux,rtas-base", NULL);
+ sizep = of_get_property(rtas.dev, "rtas-size", NULL);
+
+ if (basep && sizep) {
+ rtas_start = *basep;
+ rtas_end = *basep + *sizep;
+ }
+
+ for (addr = begin; addr < end; addr += PAGE_SIZE) {
+ /* Does this page overlap with the RTAS region? */
+ if (addr <= rtas_end && ((addr + PAGE_SIZE) > rtas_start))
+ continue;
+
+ ClearPageReserved(pfn_to_page(addr >> PAGE_SHIFT));
+ init_page_count(pfn_to_page(addr >> PAGE_SHIFT));
+ free_page((unsigned long)__va(addr));
+ totalram_pages++;
+ }
+}
+#endif
diff --git a/arch/powerpc/kernel/dma-iommu.c b/arch/powerpc/kernel/dma-iommu.c
index 6e54a0fd31a..e7554154a6d 100644
--- a/arch/powerpc/kernel/dma-iommu.c
+++ b/arch/powerpc/kernel/dma-iommu.c
@@ -19,7 +19,7 @@ static void *dma_iommu_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t flag)
{
return iommu_alloc_coherent(dev, get_iommu_table_base(dev), size,
- dma_handle, device_to_mask(dev), flag,
+ dma_handle, dev->coherent_dma_mask, flag,
dev_to_node(dev));
}
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index ed4aeb96398..c22dc1ec1c9 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -31,6 +31,7 @@
#include <asm/asm-offsets.h>
#include <asm/unistd.h>
#include <asm/ftrace.h>
+#include <asm/ptrace.h>
#undef SHOW_SYSCALLS
#undef SHOW_SYSCALLS_TASK
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 9f8b01d6466..8a817995b4c 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -13,6 +13,7 @@
*/
#include <asm/exception-64s.h>
+#include <asm/ptrace.h>
/*
* We layout physical memory as follows:
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index e86c040ae58..de369558bf0 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -23,6 +23,7 @@
#include <asm/thread_info.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
+#include <asm/ptrace.h>
#ifdef CONFIG_VSX
#define REST_32FPVSRS(n,c,base) \
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index 8278e8bad5a..9dd21a8c4d5 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -40,6 +40,7 @@
#include <asm/thread_info.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
+#include <asm/ptrace.h>
/* As with the other PowerPC ports, it is expected that when code
* execution begins here, the following registers contain valid, yet
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 562305b40a8..cbb3436b592 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -37,6 +37,7 @@
#include <asm/thread_info.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
+#include <asm/ptrace.h>
#include <asm/synch.h>
#include "head_booke.h"
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index f0dd577e4a5..782f23df7c8 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -38,6 +38,7 @@
#include <asm/page_64.h>
#include <asm/irqflags.h>
#include <asm/kvm_book3s_asm.h>
+#include <asm/ptrace.h>
/* The physical memory is layed out such that the secondary processor
* spin code sits at 0x0000...0x00ff. On server, the vectors follow
@@ -96,7 +97,7 @@ __secondary_hold_acknowledge:
.llong hvReleaseData-KERNELBASE
#endif /* CONFIG_PPC_ISERIES */
-#ifdef CONFIG_CRASH_DUMP
+#ifdef CONFIG_RELOCATABLE
/* This flag is set to 1 by a loader if the kernel should run
* at the loaded address instead of the linked address. This
* is used by kexec-tools to keep the the kdump kernel in the
@@ -384,12 +385,10 @@ _STATIC(__after_prom_start)
/* process relocations for the final address of the kernel */
lis r25,PAGE_OFFSET@highest /* compute virtual base of kernel */
sldi r25,r25,32
-#ifdef CONFIG_CRASH_DUMP
lwz r7,__run_at_load-_stext(r26)
- cmplwi cr0,r7,1 /* kdump kernel ? - stay where we are */
+ cmplwi cr0,r7,1 /* flagged to stay where we are ? */
bne 1f
add r25,r25,r26
-#endif
1: mr r3,r25
bl .relocate
#endif
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 1f1a04b5c2a..1cbf64e6b41 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -29,6 +29,7 @@
#include <asm/thread_info.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
+#include <asm/ptrace.h>
/* Macro to make the code more readable. */
#ifdef CONFIG_8xx_CPU6
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 529b817f473..3e02710d956 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -41,6 +41,7 @@
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
+#include <asm/ptrace.h>
#include "head_booke.h"
/* As with the other PowerPC ports, it is expected that when code
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index d5839179ec7..961bb03413f 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -311,8 +311,9 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl,
/* Handle failure */
if (unlikely(entry == DMA_ERROR_CODE)) {
if (printk_ratelimit())
- printk(KERN_INFO "iommu_alloc failed, tbl %p vaddr %lx"
- " npages %lx\n", tbl, vaddr, npages);
+ dev_info(dev, "iommu_alloc failed, tbl %p "
+ "vaddr %lx npages %lu\n", tbl, vaddr,
+ npages);
goto failure;
}
@@ -579,9 +580,9 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl,
attrs);
if (dma_handle == DMA_ERROR_CODE) {
if (printk_ratelimit()) {
- printk(KERN_INFO "iommu_alloc failed, "
- "tbl %p vaddr %p npages %d\n",
- tbl, vaddr, npages);
+ dev_info(dev, "iommu_alloc failed, tbl %p "
+ "vaddr %p npages %d\n", tbl, vaddr,
+ npages);
}
} else
dma_handle |= (uaddr & ~IOMMU_PAGE_MASK);
@@ -627,7 +628,8 @@ void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl,
* the tce tables.
*/
if (order >= IOMAP_MAX_ORDER) {
- printk("iommu_alloc_consistent size too large: 0x%lx\n", size);
+ dev_info(dev, "iommu_alloc_consistent size too large: 0x%lx\n",
+ size);
return NULL;
}
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 2d29752cbe1..b69463ec201 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -122,8 +122,3 @@ _GLOBAL(longjmp)
mtlr r0
mr r3,r4
blr
-
-_GLOBAL(__setup_cpu_power7)
-_GLOBAL(__restore_cpu_power7)
- /* place holder */
- blr
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index a7a570dcdd5..094bd9821ad 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -30,6 +30,7 @@
#include <asm/processor.h>
#include <asm/kexec.h>
#include <asm/bug.h>
+#include <asm/ptrace.h>
.text
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index e5144906a56..206a321a71d 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -25,6 +25,7 @@
#include <asm/cputable.h>
#include <asm/thread_info.h>
#include <asm/kexec.h>
+#include <asm/ptrace.h>
.text
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index 9cf197f01e9..bb12b3248f1 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -34,15 +34,26 @@
#undef DEBUG_NVRAM
-static struct nvram_partition * nvram_part;
-static long nvram_error_log_index = -1;
-static long nvram_error_log_size = 0;
+#define NVRAM_HEADER_LEN sizeof(struct nvram_header)
+#define NVRAM_BLOCK_LEN NVRAM_HEADER_LEN
+
+/* If change this size, then change the size of NVNAME_LEN */
+struct nvram_header {
+ unsigned char signature;
+ unsigned char checksum;
+ unsigned short length;
+ /* Terminating null required only for names < 12 chars. */
+ char name[12];
+};
-struct err_log_info {
- int error_type;
- unsigned int seq_num;
+struct nvram_partition {
+ struct list_head partition;
+ struct nvram_header header;
+ unsigned int index;
};
+static LIST_HEAD(nvram_partitions);
+
static loff_t dev_nvram_llseek(struct file *file, loff_t offset, int origin)
{
int size;
@@ -186,14 +197,12 @@ static struct miscdevice nvram_dev = {
#ifdef DEBUG_NVRAM
static void __init nvram_print_partitions(char * label)
{
- struct list_head * p;
struct nvram_partition * tmp_part;
printk(KERN_WARNING "--------%s---------\n", label);
printk(KERN_WARNING "indx\t\tsig\tchks\tlen\tname\n");
- list_for_each(p, &nvram_part->partition) {
- tmp_part = list_entry(p, struct nvram_partition, partition);
- printk(KERN_WARNING "%4d \t%02x\t%02x\t%d\t%s\n",
+ list_for_each_entry(tmp_part, &nvram_partitions, partition) {
+ printk(KERN_WARNING "%4d \t%02x\t%02x\t%d\t%12s\n",
tmp_part->index, tmp_part->header.signature,
tmp_part->header.checksum, tmp_part->header.length,
tmp_part->header.name);
@@ -228,95 +237,113 @@ static unsigned char __init nvram_checksum(struct nvram_header *p)
return c_sum;
}
-static int __init nvram_remove_os_partition(void)
+/**
+ * nvram_remove_partition - Remove one or more partitions in nvram
+ * @name: name of the partition to remove, or NULL for a
+ * signature only match
+ * @sig: signature of the partition(s) to remove
+ */
+
+int __init nvram_remove_partition(const char *name, int sig)
{
- struct list_head *i;
- struct list_head *j;
- struct nvram_partition * part;
- struct nvram_partition * cur_part;
+ struct nvram_partition *part, *prev, *tmp;
int rc;
- list_for_each(i, &nvram_part->partition) {
- part = list_entry(i, struct nvram_partition, partition);
- if (part->header.signature != NVRAM_SIG_OS)
+ list_for_each_entry(part, &nvram_partitions, partition) {
+ if (part->header.signature != sig)
continue;
-
- /* Make os partition a free partition */
+ if (name && strncmp(name, part->header.name, 12))
+ continue;
+
+ /* Make partition a free partition */
part->header.signature = NVRAM_SIG_FREE;
- sprintf(part->header.name, "wwwwwwwwwwww");
+ strncpy(part->header.name, "wwwwwwwwwwww", 12);
part->header.checksum = nvram_checksum(&part->header);
-
- /* Merge contiguous free partitions backwards */
- list_for_each_prev(j, &part->partition) {
- cur_part = list_entry(j, struct nvram_partition, partition);
- if (cur_part == nvram_part || cur_part->header.signature != NVRAM_SIG_FREE) {
- break;
- }
-
- part->header.length += cur_part->header.length;
- part->header.checksum = nvram_checksum(&part->header);
- part->index = cur_part->index;
-
- list_del(&cur_part->partition);
- kfree(cur_part);
- j = &part->partition; /* fixup our loop */
- }
-
- /* Merge contiguous free partitions forwards */
- list_for_each(j, &part->partition) {
- cur_part = list_entry(j, struct nvram_partition, partition);
- if (cur_part == nvram_part || cur_part->header.signature != NVRAM_SIG_FREE) {
- break;
- }
-
- part->header.length += cur_part->header.length;
- part->header.checksum = nvram_checksum(&part->header);
-
- list_del(&cur_part->partition);
- kfree(cur_part);
- j = &part->partition; /* fixup our loop */
- }
-
rc = nvram_write_header(part);
if (rc <= 0) {
- printk(KERN_ERR "nvram_remove_os_partition: nvram_write failed (%d)\n", rc);
+ printk(KERN_ERR "nvram_remove_partition: nvram_write failed (%d)\n", rc);
return rc;
}
+ }
+ /* Merge contiguous ones */
+ prev = NULL;
+ list_for_each_entry_safe(part, tmp, &nvram_partitions, partition) {
+ if (part->header.signature != NVRAM_SIG_FREE) {
+ prev = NULL;
+ continue;
+ }
+ if (prev) {
+ prev->header.length += part->header.length;
+ prev->header.checksum = nvram_checksum(&part->header);
+ rc = nvram_write_header(part);
+ if (rc <= 0) {
+ printk(KERN_ERR "nvram_remove_partition: nvram_write failed (%d)\n", rc);
+ return rc;
+ }
+ list_del(&part->partition);
+ kfree(part);
+ } else
+ prev = part;
}
return 0;
}
-/* nvram_create_os_partition
+/**
+ * nvram_create_partition - Create a partition in nvram
+ * @name: name of the partition to create
+ * @sig: signature of the partition to create
+ * @req_size: size of data to allocate in bytes
+ * @min_size: minimum acceptable size (0 means req_size)
*
- * Create a OS linux partition to buffer error logs.
- * Will create a partition starting at the first free
- * space found if space has enough room.
+ * Returns a negative error code or a positive nvram index
+ * of the beginning of the data area of the newly created
+ * partition. If you provided a min_size smaller than req_size
+ * you need to query for the actual size yourself after the
+ * call using nvram_partition_get_size().
*/
-static int __init nvram_create_os_partition(void)
+loff_t __init nvram_create_partition(const char *name, int sig,
+ int req_size, int min_size)
{
struct nvram_partition *part;
struct nvram_partition *new_part;
struct nvram_partition *free_part = NULL;
- int seq_init[2] = { 0, 0 };
+ static char nv_init_vals[16];
loff_t tmp_index;
long size = 0;
int rc;
-
+
+ /* Convert sizes from bytes to blocks */
+ req_size = _ALIGN_UP(req_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
+ min_size = _ALIGN_UP(min_size, NVRAM_BLOCK_LEN) / NVRAM_BLOCK_LEN;
+
+ /* If no minimum size specified, make it the same as the
+ * requested size
+ */
+ if (min_size == 0)
+ min_size = req_size;
+ if (min_size > req_size)
+ return -EINVAL;
+
+ /* Now add one block to each for the header */
+ req_size += 1;
+ min_size += 1;
+
/* Find a free partition that will give us the maximum needed size
If can't find one that will give us the minimum size needed */
- list_for_each_entry(part, &nvram_part->partition, partition) {
+ list_for_each_entry(part, &nvram_partitions, partition) {
if (part->header.signature != NVRAM_SIG_FREE)
continue;
- if (part->header.length >= NVRAM_MAX_REQ) {
- size = NVRAM_MAX_REQ;
+ if (part->header.length >= req_size) {
+ size = req_size;
free_part = part;
break;
}
- if (!size && part->header.length >= NVRAM_MIN_REQ) {
- size = NVRAM_MIN_REQ;
+ if (part->header.length > size &&
+ part->header.length >= min_size) {
+ size = part->header.length;
free_part = part;
}
}
@@ -326,136 +353,95 @@ static int __init nvram_create_os_partition(void)
/* Create our OS partition */
new_part = kmalloc(sizeof(*new_part), GFP_KERNEL);
if (!new_part) {
- printk(KERN_ERR "nvram_create_os_partition: kmalloc failed\n");
+ pr_err("nvram_create_os_partition: kmalloc failed\n");
return -ENOMEM;
}
new_part->index = free_part->index;
- new_part->header.signature = NVRAM_SIG_OS;
+ new_part->header.signature = sig;
new_part->header.length = size;
- strcpy(new_part->header.name, "ppc64,linux");
+ strncpy(new_part->header.name, name, 12);
new_part->header.checksum = nvram_checksum(&new_part->header);
rc = nvram_write_header(new_part);
if (rc <= 0) {
- printk(KERN_ERR "nvram_create_os_partition: nvram_write_header "
- "failed (%d)\n", rc);
- return rc;
- }
-
- /* make sure and initialize to zero the sequence number and the error
- type logged */
- tmp_index = new_part->index + NVRAM_HEADER_LEN;
- rc = ppc_md.nvram_write((char *)&seq_init, sizeof(seq_init), &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_create_os_partition: nvram_write "
+ pr_err("nvram_create_os_partition: nvram_write_header "
"failed (%d)\n", rc);
return rc;
}
-
- nvram_error_log_index = new_part->index + NVRAM_HEADER_LEN;
- nvram_error_log_size = ((part->header.length - 1) *
- NVRAM_BLOCK_LEN) - sizeof(struct err_log_info);
-
list_add_tail(&new_part->partition, &free_part->partition);
- if (free_part->header.length <= size) {
+ /* Adjust or remove the partition we stole the space from */
+ if (free_part->header.length > size) {
+ free_part->index += size * NVRAM_BLOCK_LEN;
+ free_part->header.length -= size;
+ free_part->header.checksum = nvram_checksum(&free_part->header);
+ rc = nvram_write_header(free_part);
+ if (rc <= 0) {
+ pr_err("nvram_create_os_partition: nvram_write_header "
+ "failed (%d)\n", rc);
+ return rc;
+ }
+ } else {
list_del(&free_part->partition);
kfree(free_part);
- return 0;
}
- /* Adjust the partition we stole the space from */
- free_part->index += size * NVRAM_BLOCK_LEN;
- free_part->header.length -= size;
- free_part->header.checksum = nvram_checksum(&free_part->header);
-
- rc = nvram_write_header(free_part);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_create_os_partition: nvram_write_header "
- "failed (%d)\n", rc);
- return rc;
+ /* Clear the new partition */
+ for (tmp_index = new_part->index + NVRAM_HEADER_LEN;
+ tmp_index < ((size - 1) * NVRAM_BLOCK_LEN);
+ tmp_index += NVRAM_BLOCK_LEN) {
+ rc = ppc_md.nvram_write(nv_init_vals, NVRAM_BLOCK_LEN, &tmp_index);
+ if (rc <= 0) {
+ pr_err("nvram_create_partition: nvram_write failed (%d)\n", rc);
+ return rc;
+ }
}
-
- return 0;
+
+ return new_part->index + NVRAM_HEADER_LEN;
}
-
-/* nvram_setup_partition
- *
- * This will setup the partition we need for buffering the
- * error logs and cleanup partitions if needed.
- *
- * The general strategy is the following:
- * 1.) If there is ppc64,linux partition large enough then use it.
- * 2.) If there is not a ppc64,linux partition large enough, search
- * for a free partition that is large enough.
- * 3.) If there is not a free partition large enough remove
- * _all_ OS partitions and consolidate the space.
- * 4.) Will first try getting a chunk that will satisfy the maximum
- * error log size (NVRAM_MAX_REQ).
- * 5.) If the max chunk cannot be allocated then try finding a chunk
- * that will satisfy the minum needed (NVRAM_MIN_REQ).
+/**
+ * nvram_get_partition_size - Get the data size of an nvram partition
+ * @data_index: This is the offset of the start of the data of
+ * the partition. The same value that is returned by
+ * nvram_create_partition().
*/
-static int __init nvram_setup_partition(void)
+int nvram_get_partition_size(loff_t data_index)
{
- struct list_head * p;
- struct nvram_partition * part;
- int rc;
-
- /* For now, we don't do any of this on pmac, until I
- * have figured out if it's worth killing some unused stuffs
- * in our nvram, as Apple defined partitions use pretty much
- * all of the space
- */
- if (machine_is(powermac))
- return -ENOSPC;
-
- /* see if we have an OS partition that meets our needs.
- will try getting the max we need. If not we'll delete
- partitions and try again. */
- list_for_each(p, &nvram_part->partition) {
- part = list_entry(p, struct nvram_partition, partition);
- if (part->header.signature != NVRAM_SIG_OS)
- continue;
+ struct nvram_partition *part;
+
+ list_for_each_entry(part, &nvram_partitions, partition) {
+ if (part->index + NVRAM_HEADER_LEN == data_index)
+ return (part->header.length - 1) * NVRAM_BLOCK_LEN;
+ }
+ return -1;
+}
- if (strcmp(part->header.name, "ppc64,linux"))
- continue;
- if (part->header.length >= NVRAM_MIN_REQ) {
- /* found our partition */
- nvram_error_log_index = part->index + NVRAM_HEADER_LEN;
- nvram_error_log_size = ((part->header.length - 1) *
- NVRAM_BLOCK_LEN) - sizeof(struct err_log_info);
- return 0;
+/**
+ * nvram_find_partition - Find an nvram partition by signature and name
+ * @name: Name of the partition or NULL for any name
+ * @sig: Signature to test against
+ * @out_size: if non-NULL, returns the size of the data part of the partition
+ */
+loff_t nvram_find_partition(const char *name, int sig, int *out_size)
+{
+ struct nvram_partition *p;
+
+ list_for_each_entry(p, &nvram_partitions, partition) {
+ if (p->header.signature == sig &&
+ (!name || !strncmp(p->header.name, name, 12))) {
+ if (out_size)
+ *out_size = (p->header.length - 1) *
+ NVRAM_BLOCK_LEN;
+ return p->index + NVRAM_HEADER_LEN;
}
}
-
- /* try creating a partition with the free space we have */
- rc = nvram_create_os_partition();
- if (!rc) {
- return 0;
- }
-
- /* need to free up some space */
- rc = nvram_remove_os_partition();
- if (rc) {
- return rc;
- }
-
- /* create a partition in this new space */
- rc = nvram_create_os_partition();
- if (rc) {
- printk(KERN_ERR "nvram_create_os_partition: Could not find a "
- "NVRAM partition large enough\n");
- return rc;
- }
-
return 0;
}
-
-static int __init nvram_scan_partitions(void)
+int __init nvram_scan_partitions(void)
{
loff_t cur_index = 0;
struct nvram_header phead;
@@ -465,7 +451,7 @@ static int __init nvram_scan_partitions(void)
int total_size;
int err;
- if (ppc_md.nvram_size == NULL)
+ if (ppc_md.nvram_size == NULL || ppc_md.nvram_size() <= 0)
return -ENODEV;
total_size = ppc_md.nvram_size();
@@ -512,12 +498,16 @@ static int __init nvram_scan_partitions(void)
memcpy(&tmp_part->header, &phead, NVRAM_HEADER_LEN);
tmp_part->index = cur_index;
- list_add_tail(&tmp_part->partition, &nvram_part->partition);
+ list_add_tail(&tmp_part->partition, &nvram_partitions);
cur_index += phead.length * NVRAM_BLOCK_LEN;
}
err = 0;
+#ifdef DEBUG_NVRAM
+ nvram_print_partitions("NVRAM Partitions");
+#endif
+
out:
kfree(header);
return err;
@@ -525,9 +515,10 @@ static int __init nvram_scan_partitions(void)
static int __init nvram_init(void)
{
- int error;
int rc;
+ BUILD_BUG_ON(NVRAM_BLOCK_LEN != 16);
+
if (ppc_md.nvram_size == NULL || ppc_md.nvram_size() <= 0)
return -ENODEV;
@@ -537,29 +528,6 @@ static int __init nvram_init(void)
return rc;
}
- /* initialize our anchor for the nvram partition list */
- nvram_part = kmalloc(sizeof(struct nvram_partition), GFP_KERNEL);
- if (!nvram_part) {
- printk(KERN_ERR "nvram_init: Failed kmalloc\n");
- return -ENOMEM;
- }
- INIT_LIST_HEAD(&nvram_part->partition);
-
- /* Get all the NVRAM partitions */
- error = nvram_scan_partitions();
- if (error) {
- printk(KERN_ERR "nvram_init: Failed nvram_scan_partitions\n");
- return error;
- }
-
- if(nvram_setup_partition())
- printk(KERN_WARNING "nvram_init: Could not find nvram partition"
- " for nvram buffered error logging.\n");
-
-#ifdef DEBUG_NVRAM
- nvram_print_partitions("NVRAM Partitions");
-#endif
-
return rc;
}
@@ -568,135 +536,6 @@ void __exit nvram_cleanup(void)
misc_deregister( &nvram_dev );
}
-
-#ifdef CONFIG_PPC_PSERIES
-
-/* nvram_write_error_log
- *
- * We need to buffer the error logs into nvram to ensure that we have
- * the failure information to decode. If we have a severe error there
- * is no way to guarantee that the OS or the machine is in a state to
- * get back to user land and write the error to disk. For example if
- * the SCSI device driver causes a Machine Check by writing to a bad
- * IO address, there is no way of guaranteeing that the device driver
- * is in any state that is would also be able to write the error data
- * captured to disk, thus we buffer it in NVRAM for analysis on the
- * next boot.
- *
- * In NVRAM the partition containing the error log buffer will looks like:
- * Header (in bytes):
- * +-----------+----------+--------+------------+------------------+
- * | signature | checksum | length | name | data |
- * |0 |1 |2 3|4 15|16 length-1|
- * +-----------+----------+--------+------------+------------------+
- *
- * The 'data' section would look like (in bytes):
- * +--------------+------------+-----------------------------------+
- * | event_logged | sequence # | error log |
- * |0 3|4 7|8 nvram_error_log_size-1|
- * +--------------+------------+-----------------------------------+
- *
- * event_logged: 0 if event has not been logged to syslog, 1 if it has
- * sequence #: The unique sequence # for each event. (until it wraps)
- * error log: The error log from event_scan
- */
-int nvram_write_error_log(char * buff, int length,
- unsigned int err_type, unsigned int error_log_cnt)
-{
- int rc;
- loff_t tmp_index;
- struct err_log_info info;
-
- if (nvram_error_log_index == -1) {
- return -ESPIPE;
- }
-
- if (length > nvram_error_log_size) {
- length = nvram_error_log_size;
- }
-
- info.error_type = err_type;
- info.seq_num = error_log_cnt;
-
- tmp_index = nvram_error_log_index;
-
- rc = ppc_md.nvram_write((char *)&info, sizeof(struct err_log_info), &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_write_error_log: Failed nvram_write (%d)\n", rc);
- return rc;
- }
-
- rc = ppc_md.nvram_write(buff, length, &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_write_error_log: Failed nvram_write (%d)\n", rc);
- return rc;
- }
-
- return 0;
-}
-
-/* nvram_read_error_log
- *
- * Reads nvram for error log for at most 'length'
- */
-int nvram_read_error_log(char * buff, int length,
- unsigned int * err_type, unsigned int * error_log_cnt)
-{
- int rc;
- loff_t tmp_index;
- struct err_log_info info;
-
- if (nvram_error_log_index == -1)
- return -1;
-
- if (length > nvram_error_log_size)
- length = nvram_error_log_size;
-
- tmp_index = nvram_error_log_index;
-
- rc = ppc_md.nvram_read((char *)&info, sizeof(struct err_log_info), &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_read_error_log: Failed nvram_read (%d)\n", rc);
- return rc;
- }
-
- rc = ppc_md.nvram_read(buff, length, &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_read_error_log: Failed nvram_read (%d)\n", rc);
- return rc;
- }
-
- *error_log_cnt = info.seq_num;
- *err_type = info.error_type;
-
- return 0;
-}
-
-/* This doesn't actually zero anything, but it sets the event_logged
- * word to tell that this event is safely in syslog.
- */
-int nvram_clear_error_log(void)
-{
- loff_t tmp_index;
- int clear_word = ERR_FLAG_ALREADY_LOGGED;
- int rc;
-
- if (nvram_error_log_index == -1)
- return -1;
-
- tmp_index = nvram_error_log_index;
-
- rc = ppc_md.nvram_write((char *)&clear_word, sizeof(int), &tmp_index);
- if (rc <= 0) {
- printk(KERN_ERR "nvram_clear_error_log: Failed nvram_write (%d)\n", rc);
- return rc;
- }
-
- return 0;
-}
-
-#endif /* CONFIG_PPC_PSERIES */
-
module_init(nvram_init);
module_exit(nvram_cleanup);
MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index d43fc65749c..851577608a7 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -193,8 +193,7 @@ int __devinit pcibios_map_io_space(struct pci_bus *bus)
hose->io_resource.start += io_virt_offset;
hose->io_resource.end += io_virt_offset;
- pr_debug(" hose->io_resource=0x%016llx...0x%016llx\n",
- hose->io_resource.start, hose->io_resource.end);
+ pr_debug(" hose->io_resource=%pR\n", &hose->io_resource);
return 0;
}
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index ab3e392ac63..ef3ef566235 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -186,3 +186,10 @@ EXPORT_SYMBOL(__mtdcr);
EXPORT_SYMBOL(__mfdcr);
#endif
EXPORT_SYMBOL(empty_zero_page);
+
+#ifdef CONFIG_PPC64
+EXPORT_SYMBOL(__arch_hweight8);
+EXPORT_SYMBOL(__arch_hweight16);
+EXPORT_SYMBOL(__arch_hweight32);
+EXPORT_SYMBOL(__arch_hweight64);
+#endif
diff --git a/arch/powerpc/kernel/ppc_save_regs.S b/arch/powerpc/kernel/ppc_save_regs.S
index 5113bd2285e..e83ba3f078e 100644
--- a/arch/powerpc/kernel/ppc_save_regs.S
+++ b/arch/powerpc/kernel/ppc_save_regs.S
@@ -11,6 +11,7 @@
#include <asm/processor.h>
#include <asm/ppc_asm.h>
#include <asm/asm-offsets.h>
+#include <asm/ptrace.h>
/*
* Grab the register values as they are now.
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 88334af038e..c2b7a07cc3d 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -117,41 +117,3 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
cells = prop ? *(u32 *)prop : of_n_size_cells(dn);
*size = of_read_number(dma_window, cells);
}
-
-/**
- * Search the device tree for the best MAC address to use. 'mac-address' is
- * checked first, because that is supposed to contain to "most recent" MAC
- * address. If that isn't set, then 'local-mac-address' is checked next,
- * because that is the default address. If that isn't set, then the obsolete
- * 'address' is checked, just in case we're using an old device tree.
- *
- * Note that the 'address' property is supposed to contain a virtual address of
- * the register set, but some DTS files have redefined that property to be the
- * MAC address.
- *
- * All-zero MAC addresses are rejected, because those could be properties that
- * exist in the device tree, but were not set by U-Boot. For example, the
- * DTS could define 'mac-address' and 'local-mac-address', with zero MAC
- * addresses. Some older U-Boots only initialized 'local-mac-address'. In
- * this case, the real MAC is in 'local-mac-address', and 'mac-address' exists
- * but is all zeros.
-*/
-const void *of_get_mac_address(struct device_node *np)
-{
- struct property *pp;
-
- pp = of_find_property(np, "mac-address", NULL);
- if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
- return pp->value;
-
- pp = of_find_property(np, "local-mac-address", NULL);
- if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
- return pp->value;
-
- pp = of_find_property(np, "address", NULL);
- if (pp && (pp->length == 6) && is_valid_ether_addr(pp->value))
- return pp->value;
-
- return NULL;
-}
-EXPORT_SYMBOL(of_get_mac_address);
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index a9b32967cff..90653699829 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1316,6 +1316,10 @@ static int set_dac_range(struct task_struct *child,
static long ppc_set_hwdebug(struct task_struct *child,
struct ppc_hw_breakpoint *bp_info)
{
+#ifndef CONFIG_PPC_ADV_DEBUG_REGS
+ unsigned long dabr;
+#endif
+
if (bp_info->version != 1)
return -ENOTSUPP;
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
@@ -1353,11 +1357,10 @@ static long ppc_set_hwdebug(struct task_struct *child,
/*
* We only support one data breakpoint
*/
- if (((bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_RW) == 0) ||
- ((bp_info->trigger_type & ~PPC_BREAKPOINT_TRIGGER_RW) != 0) ||
- (bp_info->trigger_type != PPC_BREAKPOINT_TRIGGER_WRITE) ||
- (bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT) ||
- (bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE))
+ if ((bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_RW) == 0 ||
+ (bp_info->trigger_type & ~PPC_BREAKPOINT_TRIGGER_RW) != 0 ||
+ bp_info->addr_mode != PPC_BREAKPOINT_MODE_EXACT ||
+ bp_info->condition_mode != PPC_BREAKPOINT_CONDITION_NONE)
return -EINVAL;
if (child->thread.dabr)
@@ -1366,7 +1369,14 @@ static long ppc_set_hwdebug(struct task_struct *child,
if ((unsigned long)bp_info->addr >= TASK_SIZE)
return -EIO;
- child->thread.dabr = (unsigned long)bp_info->addr;
+ dabr = (unsigned long)bp_info->addr & ~7UL;
+ dabr |= DABR_TRANSLATION;
+ if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_READ)
+ dabr |= DABR_DATA_READ;
+ if (bp_info->trigger_type & PPC_BREAKPOINT_TRIGGER_WRITE)
+ dabr |= DABR_DATA_WRITE;
+
+ child->thread.dabr = dabr;
return 1;
#endif /* !CONFIG_PPC_ADV_DEBUG_DVCS */
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c
index 8a6daf4129f..69c4be917d0 100644
--- a/arch/powerpc/kernel/ptrace32.c
+++ b/arch/powerpc/kernel/ptrace32.c
@@ -280,7 +280,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
/* We only support one DABR and no IABRS at the moment */
if (addr > 0)
break;
+#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+ ret = put_user(child->thread.dac1, (u32 __user *)data);
+#else
ret = put_user(child->thread.dabr, (u32 __user *)data);
+#endif
break;
}
@@ -312,6 +316,9 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
case PTRACE_SET_DEBUGREG:
case PTRACE_SYSCALL:
case PTRACE_CONT:
+ case PPC_PTRACE_GETHWDBGINFO:
+ case PPC_PTRACE_SETHWDEBUG:
+ case PPC_PTRACE_DELHWDEBUG:
ret = arch_ptrace(child, request, addr, data);
break;
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 8fe8bc61c10..2097f2b3cba 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -41,6 +41,7 @@
#include <asm/atomic.h>
#include <asm/time.h>
#include <asm/mmu.h>
+#include <asm/topology.h>
struct rtas_t rtas = {
.lock = __ARCH_SPIN_LOCK_UNLOCKED
@@ -713,6 +714,7 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w
int cpu;
slb_set_size(SLB_MIN_SIZE);
+ stop_topology_update();
printk(KERN_DEBUG "calling ibm,suspend-me on cpu %i\n", smp_processor_id());
while (rc == H_MULTI_THREADS_ACTIVE && !atomic_read(&data->done) &&
@@ -728,6 +730,7 @@ static int __rtas_suspend_last_cpu(struct rtas_suspend_me_data *data, int wake_w
rc = atomic_read(&data->error);
atomic_set(&data->error, rc);
+ start_topology_update();
if (wake_when_done) {
atomic_set(&data->done, 1);
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ce6f61c6f87..5a0401fcaeb 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -437,8 +437,8 @@ static void __init irqstack_early_init(void)
unsigned int i;
/*
- * interrupt stacks must be under 256MB, we cannot afford to take
- * SLB misses on them.
+ * Interrupt stacks must be in the first segment since we
+ * cannot afford to take SLB misses on them.
*/
for_each_possible_cpu(i) {
softirq_ctx[i] = (struct thread_info *)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 68034bbf2e4..98136050917 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -466,7 +466,20 @@ out:
return id;
}
-/* Must be called when no change can occur to cpu_present_mask,
+/* Helper routines for cpu to core mapping */
+int cpu_core_index_of_thread(int cpu)
+{
+ return cpu >> threads_shift;
+}
+EXPORT_SYMBOL_GPL(cpu_core_index_of_thread);
+
+int cpu_first_thread_of_core(int core)
+{
+ return core << threads_shift;
+}
+EXPORT_SYMBOL_GPL(cpu_first_thread_of_core);
+
+/* Must be called when no change can occur to cpu_present_map,
* i.e. during cpu online or offline.
*/
static struct device_node *cpu_to_l2cache(int cpu)
@@ -514,7 +527,7 @@ int __devinit start_secondary(void *unused)
notify_cpu_starting(cpu);
set_cpu_online(cpu, true);
/* Update sibling maps */
- base = cpu_first_thread_in_core(cpu);
+ base = cpu_first_thread_sibling(cpu);
for (i = 0; i < threads_per_core; i++) {
if (cpu_is_offline(base + i))
continue;
@@ -600,7 +613,7 @@ int __cpu_disable(void)
return err;
/* Update sibling maps */
- base = cpu_first_thread_in_core(cpu);
+ base = cpu_first_thread_sibling(cpu);
for (i = 0; i < threads_per_core; i++) {
cpumask_clear_cpu(cpu, cpu_sibling_mask(base + i));
cpumask_clear_cpu(base + i, cpu_sibling_mask(cpu));
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 010406958d9..09e4dea4a85 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -155,7 +155,7 @@ EXPORT_SYMBOL_GPL(rtc_lock);
static u64 tb_to_ns_scale __read_mostly;
static unsigned tb_to_ns_shift __read_mostly;
-static unsigned long boot_tb __read_mostly;
+static u64 boot_tb __read_mostly;
extern struct timezone sys_tz;
static long timezone_offset;
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index fe460482fa6..9de6f396cf8 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -5,6 +5,7 @@
#include <asm/cputable.h>
#include <asm/thread_info.h>
#include <asm/page.h>
+#include <asm/ptrace.h>
/*
* load_up_altivec(unused, unused, tsk)
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 441d2a722f0..1b695fdc362 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -600,6 +600,11 @@ static void vio_dma_iommu_unmap_sg(struct device *dev,
vio_cmo_dealloc(viodev, alloc_size);
}
+static int vio_dma_iommu_dma_supported(struct device *dev, u64 mask)
+{
+ return dma_iommu_ops.dma_supported(dev, mask);
+}
+
struct dma_map_ops vio_dma_mapping_ops = {
.alloc_coherent = vio_dma_iommu_alloc_coherent,
.free_coherent = vio_dma_iommu_free_coherent,
@@ -607,6 +612,7 @@ struct dma_map_ops vio_dma_mapping_ops = {
.unmap_sg = vio_dma_iommu_unmap_sg,
.map_page = vio_dma_iommu_map_page,
.unmap_page = vio_dma_iommu_unmap_page,
+ .dma_supported = vio_dma_iommu_dma_supported,
};
@@ -858,8 +864,7 @@ static void vio_cmo_bus_remove(struct vio_dev *viodev)
static void vio_cmo_set_dma_ops(struct vio_dev *viodev)
{
- vio_dma_mapping_ops.dma_supported = dma_iommu_ops.dma_supported;
- viodev->dev.archdata.dma_ops = &vio_dma_mapping_ops;
+ set_dma_ops(&viodev->dev, &vio_dma_mapping_ops);
}
/**
@@ -1244,7 +1249,7 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
if (firmware_has_feature(FW_FEATURE_CMO))
vio_cmo_set_dma_ops(viodev);
else
- viodev->dev.archdata.dma_ops = &dma_iommu_ops;
+ set_dma_ops(&viodev->dev, &dma_iommu_ops);
set_iommu_table_base(&viodev->dev, vio_build_iommu_table(viodev));
set_dev_node(&viodev->dev, of_node_to_nid(of_node));
@@ -1252,6 +1257,10 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
viodev->dev.parent = &vio_bus_device.dev;
viodev->dev.bus = &vio_bus_type;
viodev->dev.release = vio_dev_release;
+ /* needed to ensure proper operation of coherent allocations
+ * later, in case driver doesn't set it explicitly */
+ dma_set_mask(&viodev->dev, DMA_BIT_MASK(64));
+ dma_set_coherent_mask(&viodev->dev, DMA_BIT_MASK(64));
/* register with generic device framework */
if (device_register(&viodev->dev)) {