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-rw-r--r--arch/powerpc/Kconfig15
-rw-r--r--arch/powerpc/configs/cell_defconfig1
-rw-r--r--arch/powerpc/configs/ppc64_defconfig1
-rw-r--r--arch/powerpc/configs/pseries_defconfig1
-rw-r--r--arch/powerpc/kernel/machine_kexec.c54
-rw-r--r--arch/powerpc/kernel/process.c2
-rw-r--r--arch/powerpc/kernel/traps.c4
-rw-r--r--arch/powerpc/mm/fault.c2
-rw-r--r--arch/powerpc/oprofile/Kconfig24
-rw-r--r--arch/powerpc/platforms/maple/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/ras.c2
11 files changed, 37 insertions, 71 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 3763f681ce4..18f397ca05e 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -669,20 +669,7 @@ source "arch/powerpc/sysdev/qe_lib/Kconfig"
source "lib/Kconfig"
-menu "Instrumentation Support"
-
-source "arch/powerpc/oprofile/Kconfig"
-
-config KPROBES
- bool "Kprobes"
- depends on !BOOKE && !4xx && KALLSYMS && MODULES
- help
- Kprobes allows you to trap at almost any kernel address and
- execute a callback function. register_kprobe() establishes
- a probepoint and specifies the callback. Kprobes is useful
- for kernel debugging, non-intrusive instrumentation and testing.
- If in doubt, say "N".
-endmenu
+source "kernel/Kconfig.instrumentation"
source "arch/powerpc/Kconfig.debug"
diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
index 8b47c846421..dcd7c02727c 100644
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -68,6 +68,7 @@ CONFIG_SYSVIPC_SYSCTL=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=15
+CONFIG_CGROUPS=y
CONFIG_CPUSETS=y
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_RELAY is not set
diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig
index bb8d4e46f0c..05582af50c5 100644
--- a/arch/powerpc/configs/ppc64_defconfig
+++ b/arch/powerpc/configs/ppc64_defconfig
@@ -71,6 +71,7 @@ CONFIG_TASK_DELAY_ACCT=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
+CONFIG_CGROUPS=y
CONFIG_CPUSETS=y
CONFIG_SYSFS_DEPRECATED=y
CONFIG_RELAY=y
diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig
index c09eb8cfbe7..62a38406b62 100644
--- a/arch/powerpc/configs/pseries_defconfig
+++ b/arch/powerpc/configs/pseries_defconfig
@@ -71,6 +71,7 @@ CONFIG_AUDITSYSCALL=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
+CONFIG_CGROUPS=y
CONFIG_CPUSETS=y
CONFIG_SYSFS_DEPRECATED=y
# CONFIG_RELAY is not set
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index e60a0c544d6..c0c8e8c3ced 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -61,45 +61,39 @@ NORET_TYPE void machine_kexec(struct kimage *image)
for(;;);
}
-static int __init early_parse_crashk(char *p)
-{
- unsigned long size;
-
- if (!p)
- return 1;
-
- size = memparse(p, &p);
-
- if (*p == '@')
- crashk_res.start = memparse(p + 1, &p);
- else
- crashk_res.start = KDUMP_KERNELBASE;
-
- crashk_res.end = crashk_res.start + size - 1;
-
- return 0;
-}
-early_param("crashkernel", early_parse_crashk);
-
void __init reserve_crashkernel(void)
{
- unsigned long size;
+ unsigned long long crash_size, crash_base;
+ int ret;
+
+ /* this is necessary because of lmb_phys_mem_size() */
+ lmb_analyze();
+
+ /* use common parsing */
+ ret = parse_crashkernel(boot_command_line, lmb_phys_mem_size(),
+ &crash_size, &crash_base);
+ if (ret == 0 && crash_size > 0) {
+ if (crash_base == 0)
+ crash_base = KDUMP_KERNELBASE;
+ crashk_res.start = crash_base;
+ } else {
+ /* handle the device tree */
+ crash_size = crashk_res.end - crashk_res.start + 1;
+ }
- if (crashk_res.start == 0)
+ if (crash_size == 0)
return;
/* We might have got these values via the command line or the
* device tree, either way sanitise them now. */
- size = crashk_res.end - crashk_res.start + 1;
-
if (crashk_res.start != KDUMP_KERNELBASE)
printk("Crash kernel location must be 0x%x\n",
KDUMP_KERNELBASE);
crashk_res.start = KDUMP_KERNELBASE;
- size = PAGE_ALIGN(size);
- crashk_res.end = crashk_res.start + size - 1;
+ crash_size = PAGE_ALIGN(crash_size);
+ crashk_res.end = crashk_res.start + crash_size - 1;
/* Crash kernel trumps memory limit */
if (memory_limit && memory_limit <= crashk_res.end) {
@@ -108,7 +102,13 @@ void __init reserve_crashkernel(void)
memory_limit);
}
- lmb_reserve(crashk_res.start, size);
+ printk(KERN_INFO "Reserving %ldMB of memory at %ldMB "
+ "for crashkernel (System RAM: %ldMB)\n",
+ (unsigned long)(crash_size >> 20),
+ (unsigned long)(crashk_res.start >> 20),
+ (unsigned long)(lmb_phys_mem_size() >> 20));
+
+ lmb_reserve(crashk_res.start, crash_size);
}
int overlaps_crashkernel(unsigned long start, unsigned long size)
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index ea6ad7a2a7e..b9d88374f14 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -459,7 +459,7 @@ void show_regs(struct pt_regs * regs)
printk("DAR: "REG", DSISR: "REG"\n", regs->dar, regs->dsisr);
#endif
printk("TASK = %p[%d] '%s' THREAD: %p",
- current, current->pid, current->comm, task_thread_info(current));
+ current, task_pid_nr(current), current->comm, task_thread_info(current));
#ifdef CONFIG_SMP
printk(" CPU: %d", smp_processor_id());
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index bf9e39c6e29..59c464e26f3 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -201,7 +201,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
* generate the same exception over and over again and we get
* nowhere. Better to kill it and let the kernel panic.
*/
- if (is_init(current)) {
+ if (is_global_init(current)) {
__sighandler_t handler;
spin_lock_irq(&current->sighand->siglock);
@@ -881,7 +881,7 @@ void nonrecoverable_exception(struct pt_regs *regs)
void trace_syscall(struct pt_regs *regs)
{
printk("Task: %p(%d), PC: %08lX/%08lX, Syscall: %3ld, Result: %s%ld %s\n",
- current, current->pid, regs->nip, regs->link, regs->gpr[0],
+ current, task_pid_nr(current), regs->nip, regs->link, regs->gpr[0],
regs->ccr&0x10000000?"Error=":"", regs->gpr[3], print_tainted());
}
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index ab3546c5ac3..a18fda361cc 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -375,7 +375,7 @@ bad_area_nosemaphore:
*/
out_of_memory:
up_read(&mm->mmap_sem);
- if (is_init(current)) {
+ if (is_global_init(current)) {
yield();
down_read(&mm->mmap_sem);
goto survive;
diff --git a/arch/powerpc/oprofile/Kconfig b/arch/powerpc/oprofile/Kconfig
deleted file mode 100644
index 7089e79689b..00000000000
--- a/arch/powerpc/oprofile/Kconfig
+++ /dev/null
@@ -1,24 +0,0 @@
-config PROFILING
- bool "Profiling support (EXPERIMENTAL)"
- help
- Say Y here to enable the extended profiling support mechanisms used
- by profilers such as OProfile.
-
-
-config OPROFILE
- tristate "OProfile system profiling (EXPERIMENTAL)"
- depends on PROFILING
- help
- OProfile is a profiling system capable of profiling the
- whole system, include the kernel, kernel modules, libraries,
- and applications.
-
- If unsure, say N.
-
-config OPROFILE_CELL
- bool "OProfile for Cell Broadband Engine"
- depends on (SPU_FS = y && OPROFILE = m) || (SPU_FS = y && OPROFILE = y) || (SPU_FS = m && OPROFILE = m)
- default y
- help
- Profiling of Cell BE SPUs requires special support enabled
- by this option.
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 354c0586162..144177d77cf 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -41,13 +41,13 @@
#include <linux/root_dev.h>
#include <linux/serial.h>
#include <linux/smp.h>
+#include <linux/bitops.h>
#include <asm/processor.h>
#include <asm/sections.h>
#include <asm/prom.h>
#include <asm/system.h>
#include <asm/pgtable.h>
-#include <asm/bitops.h>
#include <asm/io.h>
#include <asm/kexec.h>
#include <asm/pci-bridge.h>
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 3a393c7f390..a1ab25c7082 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -332,7 +332,7 @@ static int recover_mce(struct pt_regs *regs, struct rtas_error_log * err)
err->disposition == RTAS_DISP_NOT_RECOVERED &&
err->target == RTAS_TARGET_MEMORY &&
err->type == RTAS_TYPE_ECC_UNCORR &&
- !(current->pid == 0 || is_init(current))) {
+ !(current->pid == 0 || is_global_init(current))) {
/* Kill off a user process with an ECC error */
printk(KERN_ERR "MCE: uncorrectable ecc error for pid %d\n",
current->pid);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-16 16:08:51 +0000