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-rw-r--r--arch/frv/include/asm/Kbuild2
-rw-r--r--arch/frv/include/asm/processor.h19
-rw-r--r--arch/frv/include/asm/scatterlist.h6
-rw-r--r--arch/frv/kernel/irq-mb93091.c8
-rw-r--r--arch/frv/kernel/irq-mb93093.c1
-rw-r--r--arch/frv/kernel/irq-mb93493.c4
-rw-r--r--arch/frv/kernel/setup.c2
-rw-r--r--arch/frv/kernel/signal.c112
-rw-r--r--arch/frv/kernel/time.c1
9 files changed, 52 insertions, 103 deletions
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index 87b95eb8aee5..3caf05cabfc5 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -3,6 +3,8 @@ generic-y += clkdev.h
generic-y += cputime.h
generic-y += exec.h
generic-y += hash.h
+generic-y += irq_work.h
generic-y += mcs_spinlock.h
generic-y += preempt.h
+generic-y += scatterlist.h
generic-y += trace_clock.h
diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h
index a34f309e5801..ae8d423e79d9 100644
--- a/arch/frv/include/asm/processor.h
+++ b/arch/frv/include/asm/processor.h
@@ -35,22 +35,6 @@
struct task_struct;
/*
- * CPU type and hardware bug flags. Kept separately for each CPU.
- */
-struct cpuinfo_frv {
-#ifdef CONFIG_MMU
- unsigned long *pgd_quick;
- unsigned long *pte_quick;
- unsigned long pgtable_cache_sz;
-#endif
-} __cacheline_aligned;
-
-extern struct cpuinfo_frv __nongprelbss boot_cpu_data;
-
-#define cpu_data (&boot_cpu_data)
-#define current_cpu_data boot_cpu_data
-
-/*
* Bus types
*/
#define EISA_bus 0
@@ -129,7 +113,8 @@ unsigned long get_wchan(struct task_struct *p);
#define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc)
#define KSTK_ESP(tsk) ((tsk)->thread.frame0->sp)
-#define cpu_relax() barrier()
+#define cpu_relax() barrier()
+#define cpu_relax_lowlatency() cpu_relax()
/* data cache prefetch */
#define ARCH_HAS_PREFETCH
diff --git a/arch/frv/include/asm/scatterlist.h b/arch/frv/include/asm/scatterlist.h
deleted file mode 100644
index 0e5eb3018468..000000000000
--- a/arch/frv/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_SCATTERLIST_H
-#define _ASM_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif /* !_ASM_SCATTERLIST_H */
diff --git a/arch/frv/kernel/irq-mb93091.c b/arch/frv/kernel/irq-mb93091.c
index 2cc327a1ca44..091b2839be90 100644
--- a/arch/frv/kernel/irq-mb93091.c
+++ b/arch/frv/kernel/irq-mb93091.c
@@ -107,25 +107,25 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask)
static struct irqaction fpga_irq[4] = {
[0] = {
.handler = fpga_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "fpga.0",
.dev_id = (void *) 0x0028UL,
},
[1] = {
.handler = fpga_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "fpga.1",
.dev_id = (void *) 0x0050UL,
},
[2] = {
.handler = fpga_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "fpga.2",
.dev_id = (void *) 0x1c00UL,
},
[3] = {
.handler = fpga_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "fpga.3",
.dev_id = (void *) 0x6386UL,
}
diff --git a/arch/frv/kernel/irq-mb93093.c b/arch/frv/kernel/irq-mb93093.c
index 95e4eb4f1f38..1f3015cf80f5 100644
--- a/arch/frv/kernel/irq-mb93093.c
+++ b/arch/frv/kernel/irq-mb93093.c
@@ -105,7 +105,6 @@ static irqreturn_t fpga_interrupt(int irq, void *_mask)
static struct irqaction fpga_irq[1] = {
[0] = {
.handler = fpga_interrupt,
- .flags = IRQF_DISABLED,
.name = "fpga.0",
.dev_id = (void *) 0x0700UL,
}
diff --git a/arch/frv/kernel/irq-mb93493.c b/arch/frv/kernel/irq-mb93493.c
index ba648da0932d..8ca5aa4ff595 100644
--- a/arch/frv/kernel/irq-mb93493.c
+++ b/arch/frv/kernel/irq-mb93493.c
@@ -118,13 +118,13 @@ static irqreturn_t mb93493_interrupt(int irq, void *_piqsr)
static struct irqaction mb93493_irq[2] = {
[0] = {
.handler = mb93493_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "mb93493.0",
.dev_id = (void *) __addr_MB93493_IQSR(0),
},
[1] = {
.handler = mb93493_interrupt,
- .flags = IRQF_DISABLED | IRQF_SHARED,
+ .flags = IRQF_SHARED,
.name = "mb93493.1",
.dev_id = (void *) __addr_MB93493_IQSR(1),
}
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index 9f3a7a62d787..9f4a9a607dbe 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -104,8 +104,6 @@ unsigned long __nongprelbss dma_coherent_mem_end;
unsigned long __initdata __sdram_old_base;
unsigned long __initdata num_mappedpages;
-struct cpuinfo_frv __nongprelbss boot_cpu_data;
-
char __initdata command_line[COMMAND_LINE_SIZE];
char __initdata redboot_command_line[COMMAND_LINE_SIZE];
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index d822700d4f15..dc3d59de0870 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -158,19 +158,10 @@ static int setup_sigcontext(struct sigcontext __user *sc, unsigned long mask)
/*
* Determine which stack to use..
*/
-static inline void __user *get_sigframe(struct k_sigaction *ka,
+static inline void __user *get_sigframe(struct ksignal *ksig,
size_t frame_size)
{
- unsigned long sp;
-
- /* Default to using normal stack */
- sp = __frame->sp;
-
- /* This is the X/Open sanctioned signal stack switching. */
- if (ka->sa.sa_flags & SA_ONSTACK) {
- if (! sas_ss_flags(sp))
- sp = current->sas_ss_sp + current->sas_ss_size;
- }
+ unsigned long sp = sigsp(__frame->sp, ksig);
return (void __user *) ((sp - frame_size) & ~7UL);
@@ -180,17 +171,17 @@ static inline void __user *get_sigframe(struct k_sigaction *ka,
/*
*
*/
-static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
+static int setup_frame(struct ksignal *ksig, sigset_t *set)
{
struct sigframe __user *frame;
- int rsig;
+ int rsig, sig = ksig->sig;
set_fs(USER_DS);
- frame = get_sigframe(ka, sizeof(*frame));
+ frame = get_sigframe(ksig, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
rsig = sig;
if (sig < 32 &&
@@ -199,22 +190,22 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
rsig = __current_thread_info->exec_domain->signal_invmap[sig];
if (__put_user(rsig, &frame->sig) < 0)
- goto give_sigsegv;
+ return -EFAULT;
if (setup_sigcontext(&frame->sc, 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) < 0)
- goto give_sigsegv;
+ if (ksig->ka.sa.sa_flags & SA_RESTORER) {
+ if (__put_user(ksig->ka.sa.sa_restorer, &frame->pretcode) < 0)
+ return -EFAULT;
}
else {
/* Set up the following code on the stack:
@@ -224,7 +215,7 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
if (__put_user((__sigrestore_t)frame->retcode, &frame->pretcode) ||
__put_user(0x8efc0000|__NR_sigreturn, &frame->retcode[0]) ||
__put_user(0xc0700000, &frame->retcode[1]))
- goto give_sigsegv;
+ return -EFAULT;
flush_icache_range((unsigned long) frame->retcode,
(unsigned long) (frame->retcode + 2));
@@ -233,14 +224,14 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
/* Set up registers for the signal handler */
if (current->personality & FDPIC_FUNCPTRS) {
struct fdpic_func_descriptor __user *funcptr =
- (struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
+ (struct fdpic_func_descriptor __user *) ksig->ka.sa.sa_handler;
struct fdpic_func_descriptor desc;
if (copy_from_user(&desc, funcptr, sizeof(desc)))
- goto give_sigsegv;
+ return -EFAULT;
__frame->pc = desc.text;
__frame->gr15 = desc.GOT;
} else {
- __frame->pc = (unsigned long) ka->sa.sa_handler;
+ __frame->pc = (unsigned long) ksig->ka.sa.sa_handler;
__frame->gr15 = 0;
}
@@ -255,29 +246,23 @@ static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set)
#endif
return 0;
-
-give_sigsegv:
- force_sigsegv(sig, current);
- return -EFAULT;
-
} /* end setup_frame() */
/*****************************************************************************/
/*
*
*/
-static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set)
+static int setup_rt_frame(struct ksignal *ksig, sigset_t *set)
{
struct rt_sigframe __user *frame;
- int rsig;
+ int rsig, sig = ksig->sig;
set_fs(USER_DS);
- frame = get_sigframe(ka, sizeof(*frame));
+ frame = get_sigframe(ksig, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto give_sigsegv;
+ return -EFAULT;
rsig = sig;
if (sig < 32 &&
@@ -288,28 +273,28 @@ 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))
- goto give_sigsegv;
+ return -EFAULT;
- if (copy_siginfo_to_user(&frame->info, info))
- goto give_sigsegv;
+ if (copy_siginfo_to_user(&frame->info, &ksig->info))
+ return -EFAULT;
/* Create the ucontext. */
if (__put_user(0, &frame->uc.uc_flags) ||
__put_user(NULL, &frame->uc.uc_link) ||
__save_altstack(&frame->uc.uc_stack, __frame->sp))
- goto give_sigsegv;
+ return -EFAULT;
if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0]))
- goto give_sigsegv;
+ return -EFAULT;
if (__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 {
/* Set up the following code on the stack:
@@ -319,7 +304,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
if (__put_user((__sigrestore_t)frame->retcode, &frame->pretcode) ||
__put_user(0x8efc0000|__NR_rt_sigreturn, &frame->retcode[0]) ||
__put_user(0xc0700000, &frame->retcode[1]))
- goto give_sigsegv;
+ return -EFAULT;
flush_icache_range((unsigned long) frame->retcode,
(unsigned long) (frame->retcode + 2));
@@ -328,14 +313,14 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* Set up registers for signal handler */
if (current->personality & FDPIC_FUNCPTRS) {
struct fdpic_func_descriptor __user *funcptr =
- (struct fdpic_func_descriptor __user *) ka->sa.sa_handler;
+ (struct fdpic_func_descriptor __user *) ksig->ka.sa.sa_handler;
struct fdpic_func_descriptor desc;
if (copy_from_user(&desc, funcptr, sizeof(desc)))
- goto give_sigsegv;
+ return -EFAULT;
__frame->pc = desc.text;
__frame->gr15 = desc.GOT;
} else {
- __frame->pc = (unsigned long) ka->sa.sa_handler;
+ __frame->pc = (unsigned long) ksig->ka.sa.sa_handler;
__frame->gr15 = 0;
}
@@ -349,21 +334,15 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
sig, current->comm, current->pid, frame, __frame->pc,
frame->pretcode);
#endif
-
return 0;
-give_sigsegv:
- force_sigsegv(sig, current);
- return -EFAULT;
-
} /* end setup_rt_frame() */
/*****************************************************************************/
/*
* OK, we're invoking a handler
*/
-static void handle_signal(unsigned long sig, siginfo_t *info,
- struct k_sigaction *ka)
+static void handle_signal(struct ksignal *ksig)
{
sigset_t *oldset = sigmask_to_save();
int ret;
@@ -378,7 +357,7 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
break;
case -ERESTARTSYS:
- if (!(ka->sa.sa_flags & SA_RESTART)) {
+ if (!(ksig->ka.sa.sa_flags & SA_RESTART)) {
__frame->gr8 = -EINTR;
break;
}
@@ -392,16 +371,12 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
}
/* Set up the stack frame */
- if (ka->sa.sa_flags & SA_SIGINFO)
- ret = setup_rt_frame(sig, ka, info, oldset);
+ if (ksig->ka.sa.sa_flags & SA_SIGINFO)
+ ret = setup_rt_frame(ksig, oldset);
else
- ret = setup_frame(sig, ka, oldset);
-
- if (ret)
- return;
+ ret = setup_frame(ksig, oldset);
- signal_delivered(sig, info, ka, __frame,
- test_thread_flag(TIF_SINGLESTEP));
+ signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP));
} /* end handle_signal() */
/*****************************************************************************/
@@ -412,13 +387,10 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
*/
static void do_signal(void)
{
- struct k_sigaction ka;
- siginfo_t info;
- int signr;
+ struct ksignal ksig;
- signr = get_signal_to_deliver(&info, &ka, __frame, NULL);
- if (signr > 0) {
- handle_signal(signr, &info, &ka);
+ if (get_signal(&ksig)) {
+ handle_signal(&ksig);
return;
}
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c
index b457de496b70..332e00bf9d06 100644
--- a/arch/frv/kernel/time.c
+++ b/arch/frv/kernel/time.c
@@ -44,7 +44,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy);
static struct irqaction timer_irq = {
.handler = timer_interrupt,
- .flags = IRQF_DISABLED,
.name = "timer",
};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-20 08:44:53 +0000