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-rw-r--r--arch/mips/kernel/Makefile2
-rw-r--r--arch/mips/kernel/init_task.c35
-rw-r--r--arch/mips/kernel/perf_event_mipsxx.c2
-rw-r--r--arch/mips/kernel/ptrace.c2
-rw-r--r--arch/mips/kernel/signal.c27
-rw-r--r--arch/mips/kernel/signal32.c20
-rw-r--r--arch/mips/kernel/signal_n32.c10
-rw-r--r--arch/mips/kernel/smp.c56
8 files changed, 16 insertions, 138 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 0c6877ea900..fdaf65e1a99 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -2,7 +2,7 @@
# Makefile for the Linux/MIPS kernel.
#
-extra-y := head.o init_task.o vmlinux.lds
+extra-y := head.o vmlinux.lds
obj-y += cpu-probe.o branch.o entry.o genex.o irq.o process.o \
ptrace.o reset.o setup.o signal.o syscall.o \
diff --git a/arch/mips/kernel/init_task.c b/arch/mips/kernel/init_task.c
deleted file mode 100644
index 5f9a76263c9..00000000000
--- a/arch/mips/kernel/init_task.c
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <linux/mm.h>
-#include <linux/export.h>
-#include <linux/sched.h>
-#include <linux/init_task.h>
-#include <linux/fs.h>
-#include <linux/mqueue.h>
-
-#include <asm/thread_info.h>
-#include <asm/uaccess.h>
-#include <asm/pgtable.h>
-
-static struct signal_struct init_signals = INIT_SIGNALS(init_signals);
-static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
-/*
- * Initial thread structure.
- *
- * We need to make sure that this is 8192-byte aligned due to the
- * way process stacks are handled. This is done by making sure
- * the linker maps this in the .text segment right after head.S,
- * and making head.S ensure the proper alignment.
- *
- * The things we do for performance..
- */
-union thread_union init_thread_union __init_task_data
- __attribute__((__aligned__(THREAD_SIZE))) =
- { INIT_THREAD_INFO(init_task) };
-
-/*
- * Initial task structure.
- *
- * All other task structs will be allocated on slabs in fork.c
- */
-struct task_struct init_task = INIT_TASK(init_task);
-
-EXPORT_SYMBOL(init_task);
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 811084f4e42..ab73fa2fb9b 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -1325,7 +1325,7 @@ static int mipsxx_pmu_handle_shared_irq(void)
regs = get_irq_regs();
- perf_sample_data_init(&data, 0);
+ perf_sample_data_init(&data, 0, 0);
switch (counters) {
#define HANDLE_COUNTER(n) \
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 7c24c2973c6..4812c6d916e 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -535,7 +535,7 @@ static inline int audit_arch(void)
asmlinkage void syscall_trace_enter(struct pt_regs *regs)
{
/* do the secure computing check first */
- secure_computing(regs->regs[2]);
+ secure_computing_strict(regs->regs[2]);
if (!(current->ptrace & PT_PTRACED))
goto out;
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 185ca00c4c8..d5a338a1739 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -257,11 +257,8 @@ asmlinkage int sys_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -286,11 +283,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -362,10 +356,7 @@ asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = blocked;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&blocked);
sig = restore_sigcontext(&regs, &frame->sf_sc);
if (sig < 0)
@@ -401,10 +392,7 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
@@ -580,12 +568,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
if (ret)
return ret;
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
- if (!(ka->sa.sa_flags & SA_NODEFER))
- sigaddset(&current->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ block_sigmask(ka, sig);
return ret;
}
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 06b5da392e2..ac3b8d89aae 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -290,11 +290,8 @@ asmlinkage int sys32_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -318,11 +315,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -488,10 +482,7 @@ asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = blocked;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&blocked);
sig = restore_sigcontext32(&regs, &frame->sf_sc);
if (sig < 0)
@@ -529,10 +520,7 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
sig = restore_sigcontext32(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
diff --git a/arch/mips/kernel/signal_n32.c b/arch/mips/kernel/signal_n32.c
index ae29e894ab8..86eb4b04631 100644
--- a/arch/mips/kernel/signal_n32.c
+++ b/arch/mips/kernel/signal_n32.c
@@ -93,11 +93,8 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
sigset_from_compat(&newset, &uset);
sigdelsetmask(&newset, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
- current->blocked = newset;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
@@ -121,10 +118,7 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
- spin_lock_irq(&current->sighand->siglock);
- current->blocked = set;
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
+ set_current_blocked(&set);
sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index ba9376bf52a..71a95f55a64 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -186,61 +186,9 @@ void __devinit smp_prepare_boot_cpu(void)
cpu_set(0, cpu_callin_map);
}
-/*
- * Called once for each "cpu_possible(cpu)". Needs to spin up the cpu
- * and keep control until "cpu_online(cpu)" is set. Note: cpu is
- * physical, not logical.
- */
-static struct task_struct *cpu_idle_thread[NR_CPUS];
-
-struct create_idle {
- struct work_struct work;
- struct task_struct *idle;
- struct completion done;
- int cpu;
-};
-
-static void __cpuinit do_fork_idle(struct work_struct *work)
-{
- struct create_idle *c_idle =
- container_of(work, struct create_idle, work);
-
- c_idle->idle = fork_idle(c_idle->cpu);
- complete(&c_idle->done);
-}
-
-int __cpuinit __cpu_up(unsigned int cpu)
+int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
- struct task_struct *idle;
-
- /*
- * Processor goes to start_secondary(), sets online flag
- * The following code is purely to make sure
- * Linux can schedule processes on this slave.
- */
- if (!cpu_idle_thread[cpu]) {
- /*
- * Schedule work item to avoid forking user task
- * Ported from arch/x86/kernel/smpboot.c
- */
- struct create_idle c_idle = {
- .cpu = cpu,
- .done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
- };
-
- INIT_WORK_ONSTACK(&c_idle.work, do_fork_idle);
- schedule_work(&c_idle.work);
- wait_for_completion(&c_idle.done);
- idle = cpu_idle_thread[cpu] = c_idle.idle;
-
- if (IS_ERR(idle))
- panic(KERN_ERR "Fork failed for CPU %d", cpu);
- } else {
- idle = cpu_idle_thread[cpu];
- init_idle(idle, cpu);
- }
-
- mp_ops->boot_secondary(cpu, idle);
+ mp_ops->boot_secondary(cpu, tidle);
/*
* Trust is futile. We should really have timeouts ...
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-22 21:18:10 +0000