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-rw-r--r--arch/powerpc/kernel/Makefile7
-rw-r--r--arch/powerpc/kernel/align.c2
-rw-r--r--arch/powerpc/kernel/crash_dump.c31
-rw-r--r--arch/powerpc/kernel/head_32.S2
-rw-r--r--arch/powerpc/kernel/ibmebus.c12
-rw-r--r--arch/powerpc/kernel/idle_6xx.S2
-rw-r--r--arch/powerpc/kernel/idle_e500.S3
-rw-r--r--arch/powerpc/kernel/lparcfg.c5
-rw-r--r--arch/powerpc/kernel/machine_kexec_32.c2
-rw-r--r--arch/powerpc/kernel/misc_32.S2
-rw-r--r--arch/powerpc/kernel/module.c15
-rw-r--r--arch/powerpc/kernel/module_64.c13
-rw-r--r--arch/powerpc/kernel/pci-common.c17
-rw-r--r--arch/powerpc/kernel/rtas.c5
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c57
-rw-r--r--arch/powerpc/kernel/vio.c2
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S7
17 files changed, 70 insertions, 114 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 64f5948..946daea 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -14,12 +14,13 @@ endif
ifdef CONFIG_FTRACE
# Do not trace early boot code
-CFLAGS_REMOVE_cputable.o = -pg
-CFLAGS_REMOVE_prom_init.o = -pg
+CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_prom_init.o = -pg -mno-sched-epilog
+CFLAGS_REMOVE_btext.o = -pg -mno-sched-epilog
ifdef CONFIG_DYNAMIC_FTRACE
# dynamic ftrace setup.
-CFLAGS_REMOVE_ftrace.o = -pg
+CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog
endif
endif
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 3671297..5af4e9b 100644
--- a/arch/powerpc/kernel/align.c
+++ b/arch/powerpc/kernel/align.c
@@ -647,7 +647,7 @@ static int emulate_vsx(unsigned char __user *addr, unsigned int reg,
unsigned int flags, unsigned int length)
{
char *ptr = (char *) &current->thread.TS_FPR(reg);
- int ret;
+ int ret = 0;
flush_vsx_to_thread(current);
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index e0debcc..a323c9b 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -86,6 +86,19 @@ static int __init parse_savemaxmem(char *p)
}
__setup("savemaxmem=", parse_savemaxmem);
+
+static size_t copy_oldmem_vaddr(void *vaddr, char *buf, size_t csize,
+ unsigned long offset, int userbuf)
+{
+ if (userbuf) {
+ if (copy_to_user((char __user *)buf, (vaddr + offset), csize))
+ return -EFAULT;
+ } else
+ memcpy(buf, (vaddr + offset), csize);
+
+ return csize;
+}
+
/**
* copy_oldmem_page - copy one page from "oldmem"
* @pfn: page frame number to be copied
@@ -107,16 +120,16 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
if (!csize)
return 0;
- vaddr = __ioremap(pfn << PAGE_SHIFT, PAGE_SIZE, 0);
+ csize = min(csize, PAGE_SIZE);
- if (userbuf) {
- if (copy_to_user((char __user *)buf, (vaddr + offset), csize)) {
- iounmap(vaddr);
- return -EFAULT;
- }
- } else
- memcpy(buf, (vaddr + offset), csize);
+ if (pfn < max_pfn) {
+ vaddr = __va(pfn << PAGE_SHIFT);
+ csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
+ } else {
+ vaddr = __ioremap(pfn << PAGE_SHIFT, PAGE_SIZE, 0);
+ csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
+ iounmap(vaddr);
+ }
- iounmap(vaddr);
return csize;
}
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 99ee2f0..8bb6575 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -1155,7 +1155,7 @@ flush_tlbs:
lis r10, 0x40
1: addic. r10, r10, -0x1000
tlbie r10
- blt 1b
+ bgt 1b
sync
blr
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c
index 9d42eb5..a063622 100644
--- a/arch/powerpc/kernel/ibmebus.c
+++ b/arch/powerpc/kernel/ibmebus.c
@@ -233,17 +233,6 @@ void ibmebus_free_irq(u32 ist, void *dev_id)
}
EXPORT_SYMBOL(ibmebus_free_irq);
-static ssize_t name_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "%s\n", to_of_device(dev)->node->name);
-}
-
-static struct device_attribute ibmebus_dev_attrs[] = {
- __ATTR_RO(name),
- __ATTR_NULL
-};
-
static char *ibmebus_chomp(const char *in, size_t count)
{
char *out = kmalloc(count + 1, GFP_KERNEL);
@@ -327,7 +316,6 @@ static struct bus_attribute ibmebus_bus_attrs[] = {
struct bus_type ibmebus_bus_type = {
.uevent = of_device_uevent,
- .dev_attrs = ibmebus_dev_attrs,
.bus_attrs = ibmebus_bus_attrs
};
EXPORT_SYMBOL(ibmebus_bus_type);
diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S
index 019b02d..15c611d 100644
--- a/arch/powerpc/kernel/idle_6xx.S
+++ b/arch/powerpc/kernel/idle_6xx.S
@@ -158,7 +158,7 @@ _GLOBAL(power_save_ppc32_restore)
stw r9,_NIP(r11) /* make it do a blr */
#ifdef CONFIG_SMP
- mfspr r12,SPRN_SPRG3
+ rlwinm r12,r11,0,0,31-THREAD_SHIFT
lwz r11,TI_CPU(r12) /* get cpu number * 4 */
slwi r11,r11,2
#else
diff --git a/arch/powerpc/kernel/idle_e500.S b/arch/powerpc/kernel/idle_e500.S
index 0630403..47a1a98 100644
--- a/arch/powerpc/kernel/idle_e500.S
+++ b/arch/powerpc/kernel/idle_e500.S
@@ -84,10 +84,11 @@ _GLOBAL(power_save_ppc32_restore)
stw r9,_NIP(r11) /* make it do a blr */
#ifdef CONFIG_SMP
- mfspr r12,SPRN_SPRG3
+ rlwinm r12,r1,0,0,31-THREAD_SHIFT
lwz r11,TI_CPU(r12) /* get cpu number * 4 */
slwi r11,r11,2
#else
li r11,0
#endif
+
b transfer_to_handler_cont
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index 1a09719..b3eef30 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -416,6 +416,8 @@ static void pseries_cmo_data(struct seq_file *m)
unsigned long cmo_faults = 0;
unsigned long cmo_fault_time = 0;
+ seq_printf(m, "cmo_enabled=%d\n", firmware_has_feature(FW_FEATURE_CMO));
+
if (!firmware_has_feature(FW_FEATURE_CMO))
return;
@@ -427,6 +429,9 @@ static void pseries_cmo_data(struct seq_file *m)
seq_printf(m, "cmo_faults=%lu\n", cmo_faults);
seq_printf(m, "cmo_fault_time_usec=%lu\n",
cmo_fault_time / tb_ticks_per_usec);
+ seq_printf(m, "cmo_primary_psp=%d\n", cmo_get_primary_psp());
+ seq_printf(m, "cmo_secondary_psp=%d\n", cmo_get_secondary_psp());
+ seq_printf(m, "cmo_page_size=%lu\n", cmo_get_page_size());
}
static int pseries_lparcfg_data(struct seq_file *m, void *v)
diff --git a/arch/powerpc/kernel/machine_kexec_32.c b/arch/powerpc/kernel/machine_kexec_32.c
index cbaa341..ae63a96 100644
--- a/arch/powerpc/kernel/machine_kexec_32.c
+++ b/arch/powerpc/kernel/machine_kexec_32.c
@@ -51,7 +51,7 @@ void default_machine_kexec(struct kimage *image)
relocate_new_kernel_size);
flush_icache_range(reboot_code_buffer,
- reboot_code_buffer + KEXEC_CONTROL_CODE_SIZE);
+ reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
printk(KERN_INFO "Bye!\n");
/* now call it */
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 6321ae3..7a6dfbc 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -899,7 +899,7 @@ relocate_new_kernel:
/* set a new stack at the bottom of our page... */
/* (not really needed now) */
- addi r1, r4, KEXEC_CONTROL_CODE_SIZE - 8 /* for LR Save+Back Chain */
+ addi r1, r4, KEXEC_CONTROL_PAGE_SIZE - 8 /* for LR Save+Back Chain */
stw r0, 0(r1)
/* Do the copies */
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c
index af07003..7ff2924 100644
--- a/arch/powerpc/kernel/module.c
+++ b/arch/powerpc/kernel/module.c
@@ -99,18 +99,3 @@ void module_arch_cleanup(struct module *mod)
{
module_bug_cleanup(mod);
}
-
-struct bug_entry *module_find_bug(unsigned long bugaddr)
-{
- struct mod_arch_specific *mod;
- unsigned int i;
- struct bug_entry *bug;
-
- list_for_each_entry(mod, &module_bug_list, bug_list) {
- bug = mod->bug_table;
- for (i = 0; i < mod->num_bugs; ++i, ++bug)
- if (bugaddr == bug->bug_addr)
- return bug;
- }
- return NULL;
-}
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index ee6a298..ad79de2 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -21,8 +21,9 @@
#include <linux/err.h>
#include <linux/vmalloc.h>
#include <linux/bug.h>
+#include <linux/uaccess.h>
#include <asm/module.h>
-#include <asm/uaccess.h>
+#include <asm/sections.h>
#include <asm/firmware.h>
#include <asm/code-patching.h>
#include <linux/sort.h>
@@ -451,3 +452,13 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
return 0;
}
+
+void *dereference_function_descriptor(void *ptr)
+{
+ struct ppc64_opd_entry *desc = ptr;
+ void *p;
+
+ if (!probe_kernel_address(&desc->funcaddr, p))
+ ptr = p;
+ return ptr;
+}
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 224e9a1..ea0c61e 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -650,11 +650,18 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
}
}
- /* Out of paranoia, let's put the ISA hole last if any */
- if (isa_hole >= 0 && memno > 0 && isa_hole != (memno-1)) {
- struct resource tmp = hose->mem_resources[isa_hole];
- hose->mem_resources[isa_hole] = hose->mem_resources[memno-1];
- hose->mem_resources[memno-1] = tmp;
+ /* If there's an ISA hole and the pci_mem_offset is -not- matching
+ * the ISA hole offset, then we need to remove the ISA hole from
+ * the resource list for that brige
+ */
+ if (isa_hole >= 0 && hose->pci_mem_offset != isa_mb) {
+ unsigned int next = isa_hole + 1;
+ printk(KERN_INFO " Removing ISA hole at 0x%016llx\n", isa_mb);
+ if (next < memno)
+ memmove(&hose->mem_resources[isa_hole],
+ &hose->mem_resources[next],
+ sizeof(struct resource) * (memno - next));
+ hose->mem_resources[--memno].flags = 0;
}
}
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index c680f1b..1f8505c 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -792,6 +792,9 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
if (args.token == RTAS_UNKNOWN_SERVICE)
return -EINVAL;
+ args.rets = &args.args[nargs];
+ memset(args.rets, 0, args.nret * sizeof(rtas_arg_t));
+
/* Need to handle ibm,suspend_me call specially */
if (args.token == ibm_suspend_me_token) {
rc = rtas_ibm_suspend_me(&args);
@@ -808,8 +811,6 @@ asmlinkage int ppc_rtas(struct rtas_args __user *uargs)
enter_rtas(__pa(&rtas.args));
args = rtas.args;
- args.rets = &args.args[nargs];
-
/* A -1 return code indicates that the last command couldn't
be completed due to a hardware error. */
if (args.rets[0] == -1)
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index 709f8cb..d98634c 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -52,63 +52,6 @@
#include <asm/ppc-pci.h>
#include <asm/syscalls.h>
-struct old_linux_dirent32 {
- u32 d_ino;
- u32 d_offset;
- unsigned short d_namlen;
- char d_name[1];
-};
-
-struct readdir_callback32 {
- struct old_linux_dirent32 __user * dirent;
- int count;
-};
-
-static int fillonedir(void * __buf, const char * name, int namlen,
- off_t offset, u64 ino, unsigned int d_type)
-{
- struct readdir_callback32 * buf = (struct readdir_callback32 *) __buf;
- struct old_linux_dirent32 __user * dirent;
- ino_t d_ino;
-
- if (buf->count)
- return -EINVAL;
- d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
- return -EOVERFLOW;
- buf->count++;
- dirent = buf->dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(offset, &dirent->d_offset);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- return 0;
-}
-
-asmlinkage int old32_readdir(unsigned int fd, struct old_linux_dirent32 __user *dirent, unsigned int count)
-{
- int error = -EBADF;
- struct file * file;
- struct readdir_callback32 buf;
-
- file = fget(fd);
- if (!file)
- goto out;
-
- buf.count = 0;
- buf.dirent = dirent;
-
- error = vfs_readdir(file, (filldir_t)fillonedir, &buf);
- if (error < 0)
- goto out_putf;
- error = buf.count;
-
-out_putf:
- fput(file);
-out:
- return error;
-}
asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp,
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 22a3c33..2750fba 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1113,7 +1113,7 @@ static int vio_bus_probe(struct device *dev)
return error;
}
error = viodrv->probe(viodev, id);
- if (error)
+ if (error && firmware_has_feature(FW_FEATURE_CMO))
vio_cmo_bus_remove(viodev);
}
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 4a8ce62..9f6c1ca 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -66,11 +66,12 @@ SECTIONS
__got2_end = .;
#endif /* CONFIG_PPC32 */
- . = ALIGN(PAGE_SIZE);
- _etext = .;
- PROVIDE32 (etext = .);
} :kernel
+ . = ALIGN(PAGE_SIZE);
+ _etext = .;
+ PROVIDE32 (etext = .);
+
/* Read-only data */
RODATA
generated by cgit v0.10.2 at 2024-09-17 16:05:26 (GMT)