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-rw-r--r--arch/mn10300/include/asm/Kbuild1
-rw-r--r--arch/mn10300/include/asm/atomic.h7
-rw-r--r--arch/mn10300/include/asm/bitops.h4
-rw-r--r--arch/mn10300/include/asm/pci.h1
-rw-r--r--arch/mn10300/include/asm/processor.h2
-rw-r--r--arch/mn10300/include/asm/scatterlist.h16
-rw-r--r--arch/mn10300/include/asm/unistd.h1
-rw-r--r--arch/mn10300/kernel/signal.c102
-rw-r--r--arch/mn10300/mm/tlb-smp.c4
-rw-r--r--arch/mn10300/unit-asb2305/pci-irq.c4
10 files changed, 45 insertions, 97 deletions
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index 654d5ba6e31..ecbd6676bd3 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -6,4 +6,5 @@ generic-y += exec.h
generic-y += hash.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
+generic-y += scatterlist.h
generic-y += trace_clock.h
diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
index 975e1841ca6..cadeb1e2cdf 100644
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -13,6 +13,7 @@
#include <asm/irqflags.h>
#include <asm/cmpxchg.h>
+#include <asm/barrier.h>
#ifndef CONFIG_SMP
#include <asm-generic/atomic.h>
@@ -234,12 +235,6 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *addr)
#endif
}
-/* Atomic operations are already serializing on MN10300??? */
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
#endif /* __KERNEL__ */
#endif /* CONFIG_SMP */
#endif /* _ASM_ATOMIC_H */
diff --git a/arch/mn10300/include/asm/bitops.h b/arch/mn10300/include/asm/bitops.h
index 596bb2706d8..fe6f8e2c361 100644
--- a/arch/mn10300/include/asm/bitops.h
+++ b/arch/mn10300/include/asm/bitops.h
@@ -18,9 +18,7 @@
#define __ASM_BITOPS_H
#include <asm/cpu-regs.h>
-
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
+#include <asm/barrier.h>
/*
* set bit
diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index 16632382468..5f70af25c7d 100644
--- a/arch/mn10300/include/asm/pci.h
+++ b/arch/mn10300/include/asm/pci.h
@@ -48,7 +48,6 @@ extern void unit_pci_init(void);
#define PCIBIOS_MIN_MEM 0xB8000000
void pcibios_set_master(struct pci_dev *dev);
-void pcibios_penalize_isa_irq(int irq);
/* Dynamic DMA mapping stuff.
* i386 has everything mapped statically.
diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h
index 8b80b19d0c8..769d5ed8e99 100644
--- a/arch/mn10300/include/asm/processor.h
+++ b/arch/mn10300/include/asm/processor.h
@@ -68,7 +68,9 @@ extern struct mn10300_cpuinfo cpu_data[];
extern void identify_cpu(struct mn10300_cpuinfo *);
extern void print_cpu_info(struct mn10300_cpuinfo *);
extern void dodgy_tsc(void);
+
#define cpu_relax() barrier()
+#define cpu_relax_lowlatency() cpu_relax()
/*
* User space process size: 1.75GB (default).
diff --git a/arch/mn10300/include/asm/scatterlist.h b/arch/mn10300/include/asm/scatterlist.h
deleted file mode 100644
index 7baa4006008..00000000000
--- a/arch/mn10300/include/asm/scatterlist.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* MN10300 Scatterlist definitions
- *
- * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
- * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#ifndef _ASM_SCATTERLIST_H
-#define _ASM_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif /* _ASM_SCATTERLIST_H */
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 9d4e2d1ef90..0522468f488 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -26,7 +26,6 @@
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
-#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_SYS_UTIME
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index 9dfac5cd16e..a6c0858592c 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -186,20 +186,11 @@ static int setup_sigcontext(struct sigcontext __user *sc,
/*
* determine which stack to use..
*/
-static inline void __user *get_sigframe(struct k_sigaction *ka,
+static inline void __user *get_sigframe(struct ksignal *ksig,
struct pt_regs *regs,
size_t frame_size)
{
- unsigned long sp;
-
- /* default to using normal stack */
- sp = regs->sp;
-
- /* this is the X/Open sanctioned signal stack switching. */
- if (ka->sa.sa_flags & SA_ONSTACK) {
- if (sas_ss_flags(sp) == 0)
- sp = current->sas_ss_sp + current->sas_ss_size;
- }
+ unsigned long sp = sigsp(regs->sp, ksig);
return (void __user *) ((sp - frame_size) & ~7UL);
}
@@ -207,16 +198,16 @@ static inline void __user *get_sigframe(struct k_sigaction *ka,
/*
* set up a normal signal frame
*/
-static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
+static int setup_frame(struct ksignal *ksig, sigset_t *set,
struct pt_regs *regs)
{
struct sigframe __user *frame;
- int rsig;
+ int rsig, sig = ksig->sig;
- frame = get_sigframe(ka, regs, sizeof(*frame));
+ frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
rsig = sig;
if (sig < 32 &&
@@ -226,40 +217,40 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
if (__put_user(rsig, &frame->sig) < 0 ||
__put_user(&frame->sc, &frame->psc) < 0)
- goto give_sigsegv;
+ return -EFAULT;
if (setup_sigcontext(&frame->sc, &frame->fpuctx, regs, set->sig[0]))
- goto give_sigsegv;
+ return -EFAULT;
if (_NSIG_WORDS > 1) {
if (__copy_to_user(frame->extramask, &set->sig[1],
sizeof(frame->extramask)))
- goto give_sigsegv;
+ return -EFAULT;
}
/* set up to return from userspace. If provided, use a stub already in
* userspace */
- if (ka->sa.sa_flags & SA_RESTORER) {
- if (__put_user(ka->sa.sa_restorer, &frame->pretcode))
- goto give_sigsegv;
+ if (ksig->ka.sa.sa_flags & SA_RESTORER) {
+ if (__put_user(ksig->ka.sa.sa_restorer, &frame->pretcode))
+ return -EFAULT;
} else {
if (__put_user((void (*)(void))frame->retcode,
&frame->pretcode))
- goto give_sigsegv;
+ return -EFAULT;
/* this is mov $,d0; syscall 0 */
if (__put_user(0x2c, (char *)(frame->retcode + 0)) ||
__put_user(__NR_sigreturn, (char *)(frame->retcode + 1)) ||
__put_user(0x00, (char *)(frame->retcode + 2)) ||
__put_user(0xf0, (char *)(frame->retcode + 3)) ||
__put_user(0xe0, (char *)(frame->retcode + 4)))
- goto give_sigsegv;
+ return -EFAULT;
flush_icache_range((unsigned long) frame->retcode,
(unsigned long) frame->retcode + 5);
}
/* set up registers for signal handler */
regs->sp = (unsigned long) frame;
- regs->pc = (unsigned long) ka->sa.sa_handler;
+ regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
regs->d0 = sig;
regs->d1 = (unsigned long) &frame->sc;
@@ -270,25 +261,21 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
#endif
return 0;
-
-give_sigsegv:
- force_sigsegv(sig, current);
- return -EFAULT;
}
/*
* set up a realtime signal frame
*/
-static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
+static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
+ struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
- int rsig;
+ int rsig, sig = ksig->sig;
- frame = get_sigframe(ka, regs, sizeof(*frame));
+ frame = get_sigframe(ksig, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
rsig = sig;
if (sig < 32 &&
@@ -299,8 +286,8 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
if (__put_user(rsig, &frame->sig) ||
__put_user(&frame->info, &frame->pinfo) ||
__put_user(&frame->uc, &frame->puc) ||
- copy_siginfo_to_user(&frame->info, info))
- goto give_sigsegv;
+ copy_siginfo_to_user(&frame->info, &ksig->info))
+ return -EFAULT;
/* create the ucontext. */
if (__put_user(0, &frame->uc.uc_flags) ||
@@ -309,13 +296,14 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
setup_sigcontext(&frame->uc.uc_mcontext,
&frame->fpuctx, regs, set->sig[0]) ||
__copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)))
- goto give_sigsegv;
+ return -EFAULT;
/* set up to return from userspace. If provided, use a stub already in
* userspace */
- if (ka->sa.sa_flags & SA_RESTORER) {
- if (__put_user(ka->sa.sa_restorer, &frame->pretcode))
- goto give_sigsegv;
+ if (ksig->ka.sa.sa_flags & SA_RESTORER) {
+ if (__put_user(ksig->ka.sa.sa_restorer, &frame->pretcode))
+ return -EFAULT;
+
} else {
if (__put_user((void(*)(void))frame->retcode,
&frame->pretcode) ||
@@ -326,7 +314,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
__put_user(0x00, (char *)(frame->retcode + 2)) ||
__put_user(0xf0, (char *)(frame->retcode + 3)) ||
__put_user(0xe0, (char *)(frame->retcode + 4)))
- goto give_sigsegv;
+ return -EFAULT;
flush_icache_range((u_long) frame->retcode,
(u_long) frame->retcode + 5);
@@ -334,7 +322,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Set up registers for signal handler */
regs->sp = (unsigned long) frame;
- regs->pc = (unsigned long) ka->sa.sa_handler;
+ regs->pc = (unsigned long) ksig->ka.sa.sa_handler;
regs->d0 = sig;
regs->d1 = (long) &frame->info;
@@ -345,10 +333,6 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
#endif
return 0;
-
-give_sigsegv:
- force_sigsegv(sig, current);
- return -EFAULT;
}
static inline void stepback(struct pt_regs *regs)
@@ -360,9 +344,7 @@ static inline void stepback(struct pt_regs *regs)
/*
* handle the actual delivery of a signal to userspace
*/
-static int handle_signal(int sig,
- siginfo_t *info, struct k_sigaction *ka,
- struct pt_regs *regs)
+static int handle_signal(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *oldset = sigmask_to_save();
int ret;
@@ -377,7 +359,7 @@ static int handle_signal(int sig,
break;
case -ERESTARTSYS:
- if (!(ka->sa.sa_flags & SA_RESTART)) {
+ if (!(ksig->ka.sa.sa_flags & SA_RESTART)) {
regs->d0 = -EINTR;
break;
}
@@ -390,15 +372,12 @@ static int handle_signal(int sig,
}
/* Set up the stack frame */
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = setup_rt_frame(sig, ka, info, oldset, regs);
+ if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+ ret = setup_rt_frame(ksig, oldset, regs);
else
- ret = setup_frame(sig, ka, oldset, regs);
- if (ret)
- return ret;
+ ret = setup_frame(ksig, oldset, regs);
- signal_delivered(sig, info, ka, regs,
- test_thread_flag(TIF_SINGLESTEP));
+ signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP));
return 0;
}
@@ -407,15 +386,10 @@ static int handle_signal(int sig,
*/
static void do_signal(struct pt_regs *regs)
{
- struct k_sigaction ka;
- siginfo_t info;
- int signr;
-
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- if (signr > 0) {
- if (handle_signal(signr, &info, &ka, regs) == 0) {
- }
+ struct ksignal ksig;
+ if (get_signal(&ksig)) {
+ handle_signal(&ksig, regs);
return;
}
diff --git a/arch/mn10300/mm/tlb-smp.c b/arch/mn10300/mm/tlb-smp.c
index 3e57faf0408..e5d0ef722bf 100644
--- a/arch/mn10300/mm/tlb-smp.c
+++ b/arch/mn10300/mm/tlb-smp.c
@@ -78,9 +78,9 @@ void smp_flush_tlb(void *unused)
else
local_flush_tlb_page(flush_mm, flush_va);
- smp_mb__before_clear_bit();
+ smp_mb__before_atomic();
cpumask_clear_cpu(cpu_id, &flush_cpumask);
- smp_mb__after_clear_bit();
+ smp_mb__after_atomic();
out:
put_cpu();
}
diff --git a/arch/mn10300/unit-asb2305/pci-irq.c b/arch/mn10300/unit-asb2305/pci-irq.c
index 77439da0467..fcb28ceb824 100644
--- a/arch/mn10300/unit-asb2305/pci-irq.c
+++ b/arch/mn10300/unit-asb2305/pci-irq.c
@@ -40,10 +40,6 @@ void __init pcibios_fixup_irqs(void)
}
}
-void __init pcibios_penalize_isa_irq(int irq)
-{
-}
-
void pcibios_enable_irq(struct pci_dev *dev)
{
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-25 07:09:04 +0000