diff options
author | Al Viro <viro@ftp.linux.org.uk> | 2006-10-08 14:30:44 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-08 12:32:35 -0700 |
commit | 0d84438d98777b0f9425d39121c42f47a06878ca (patch) | |
tree | 9d3486664ecf836183f982f7011c5b8b37c4091e /arch/sparc | |
parent | 7ff3e52cf2947ebd38c84159af68e5a29d228f6c (diff) | |
download | linux-0d84438d98777b0f9425d39121c42f47a06878ca.tar.bz2 |
[PATCH] sparc32 pt_regs fixes
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/sparc')
-rw-r--r-- | arch/sparc/kernel/irq.c | 23 | ||||
-rw-r--r-- | arch/sparc/kernel/pcic.c | 4 | ||||
-rw-r--r-- | arch/sparc/kernel/sun4c_irq.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/sun4d_irq.c | 12 | ||||
-rw-r--r-- | arch/sparc/kernel/sun4d_smp.c | 6 | ||||
-rw-r--r-- | arch/sparc/kernel/sun4m_irq.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 7 | ||||
-rw-r--r-- | arch/sparc/kernel/tick14.c | 2 | ||||
-rw-r--r-- | arch/sparc/kernel/time.c | 7 |
9 files changed, 43 insertions, 22 deletions
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c index 72f0201051a0..ae4dfc89ca52 100644 --- a/arch/sparc/kernel/irq.c +++ b/arch/sparc/kernel/irq.c @@ -46,6 +46,7 @@ #include <asm/pgtable.h> #include <asm/pcic.h> #include <asm/cacheflush.h> +#include <asm/irq_regs.h> #ifdef CONFIG_SMP #define SMP_NOP2 "nop; nop;\n\t" @@ -133,8 +134,8 @@ static void irq_panic(void) prom_halt(); } -void (*sparc_init_timers)(irqreturn_t (*)(int, void *,struct pt_regs *)) = - (void (*)(irqreturn_t (*)(int, void *,struct pt_regs *))) irq_panic; +void (*sparc_init_timers)(irqreturn_t (*)(int, void *)) = + (void (*)(irqreturn_t (*)(int, void *))) irq_panic; /* * Dave Redman (djhr@tadpole.co.uk) @@ -319,12 +320,14 @@ void unexpected_irq(int irq, void *dev_id, struct pt_regs * regs) void handler_irq(int irq, struct pt_regs * regs) { + struct pt_regs *old_regs; struct irqaction * action; int cpu = smp_processor_id(); #ifdef CONFIG_SMP extern void smp4m_irq_rotate(int cpu); #endif + old_regs = set_irq_regs(regs); irq_enter(); disable_pil_irq(irq); #ifdef CONFIG_SMP @@ -338,27 +341,31 @@ void handler_irq(int irq, struct pt_regs * regs) do { if (!action || !action->handler) unexpected_irq(irq, NULL, regs); - action->handler(irq, action->dev_id, regs); + action->handler(irq, action->dev_id); action = action->next; } while (action); sparc_irq[irq].flags &= ~SPARC_IRQ_INPROGRESS; enable_pil_irq(irq); irq_exit(); + set_irq_regs(old_regs); } #ifdef CONFIG_BLK_DEV_FD -extern void floppy_interrupt(int irq, void *dev_id, struct pt_regs *regs); +extern void floppy_interrupt(int irq, void *dev_id) void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs) { + struct pt_regs *old_regs; int cpu = smp_processor_id(); + old_regs = set_irq_regs(regs); disable_pil_irq(irq); irq_enter(); kstat_cpu(cpu).irqs[irq]++; - floppy_interrupt(irq, dev_id, regs); + floppy_interrupt(irq, dev_id); irq_exit(); enable_pil_irq(irq); + set_irq_regs(old_regs); // XXX Eek, it's totally changed with preempt_count() and such // if (softirq_pending(cpu)) // do_softirq(); @@ -369,7 +376,7 @@ void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs) * thus no sharing possible. */ int request_fast_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irqreturn_t (*handler)(int, void *), unsigned long irqflags, const char *devname) { struct irqaction *action; @@ -468,7 +475,7 @@ out: } int request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irqreturn_t (*handler)(int, void *), unsigned long irqflags, const char * devname, void *dev_id) { struct irqaction * action, **actionp; @@ -478,7 +485,7 @@ int request_irq(unsigned int irq, if (sparc_cpu_model == sun4d) { extern int sun4d_request_irq(unsigned int, - irqreturn_t (*)(int, void *, struct pt_regs *), + irqreturn_t (*)(int, void *), unsigned long, const char *, void *); return sun4d_request_irq(irq, handler, irqflags, devname, dev_id); } diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index edb6cc665f56..b4e50ae323bf 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -708,13 +708,13 @@ static void pcic_clear_clock_irq(void) pcic_timer_dummy = readl(pcic0.pcic_regs+PCI_SYS_LIMIT); } -static irqreturn_t pcic_timer_handler (int irq, void *h, struct pt_regs *regs) +static irqreturn_t pcic_timer_handler (int irq, void *h) { write_seqlock(&xtime_lock); /* Dummy, to show that we remember */ pcic_clear_clock_irq(); do_timer(1); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif write_sequnlock(&xtime_lock); return IRQ_HANDLED; diff --git a/arch/sparc/kernel/sun4c_irq.c b/arch/sparc/kernel/sun4c_irq.c index 4be2c86ea540..2eaa0d085e19 100644 --- a/arch/sparc/kernel/sun4c_irq.c +++ b/arch/sparc/kernel/sun4c_irq.c @@ -154,7 +154,7 @@ static void sun4c_load_profile_irq(int cpu, unsigned int limit) /* Errm.. not sure how to do this.. */ } -static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *)) +static void __init sun4c_init_timers(irqreturn_t (*counter_fn)(int, void *)) { int irq; diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c index 74eed9775ac0..836d1562787a 100644 --- a/arch/sparc/kernel/sun4d_irq.c +++ b/arch/sparc/kernel/sun4d_irq.c @@ -38,6 +38,7 @@ #include <asm/sbus.h> #include <asm/sbi.h> #include <asm/cacheflush.h> +#include <asm/irq_regs.h> /* If you trust current SCSI layer to handle different SCSI IRQs, enable this. I don't trust it... -jj */ /* #define DISTRIBUTE_IRQS */ @@ -198,6 +199,7 @@ extern void unexpected_irq(int, void *, struct pt_regs *); void sun4d_handler_irq(int irq, struct pt_regs * regs) { + struct pt_regs *old_regs; struct irqaction * action; int cpu = smp_processor_id(); /* SBUS IRQ level (1 - 7) */ @@ -208,6 +210,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs) cc_set_iclr(1 << irq); + old_regs = set_irq_regs(regs); irq_enter(); kstat_cpu(cpu).irqs[irq]++; if (!sbusl) { @@ -215,7 +218,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs) if (!action) unexpected_irq(irq, NULL, regs); do { - action->handler(irq, action->dev_id, regs); + action->handler(irq, action->dev_id); action = action->next; } while (action); } else { @@ -242,7 +245,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs) if (!action) unexpected_irq(irq, NULL, regs); do { - action->handler(irq, action->dev_id, regs); + action->handler(irq, action->dev_id); action = action->next; } while (action); release_sbi(SBI2DEVID(sbino), slot); @@ -250,6 +253,7 @@ void sun4d_handler_irq(int irq, struct pt_regs * regs) } } irq_exit(); + set_irq_regs(old_regs); } unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq) @@ -272,7 +276,7 @@ unsigned int sun4d_sbint_to_irq(struct sbus_dev *sdev, unsigned int sbint) } int sun4d_request_irq(unsigned int irq, - irqreturn_t (*handler)(int, void *, struct pt_regs *), + irqreturn_t (*handler)(int, void *), unsigned long irqflags, const char * devname, void *dev_id) { struct irqaction *action, *tmp = NULL, **actionp; @@ -466,7 +470,7 @@ static void sun4d_load_profile_irq(int cpu, unsigned int limit) bw_set_prof_limit(cpu, limit); } -static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *)) +static void __init sun4d_init_timers(irqreturn_t (*counter_fn)(int, void *)) { int irq; int cpu; diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index 3ff4edd32815..c80ea61e8ba0 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -23,6 +23,7 @@ #include <asm/ptrace.h> #include <asm/atomic.h> +#include <asm/irq_regs.h> #include <asm/delay.h> #include <asm/irq.h> @@ -369,10 +370,12 @@ void smp4d_message_pass(int target, int msg, unsigned long data, int wait) void smp4d_percpu_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs; int cpu = hard_smp4d_processor_id(); static int cpu_tick[NR_CPUS]; static char led_mask[] = { 0xe, 0xd, 0xb, 0x7, 0xb, 0xd }; + old_regs = set_irq_regs(regs); bw_get_prof_limit(cpu); bw_clear_intr_mask(0, 1); /* INTR_TABLE[0] & 1 is Profile IRQ */ @@ -384,7 +387,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs) show_leds(cpu); } - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); if(!--prof_counter(cpu)) { int user = user_mode(regs); @@ -395,6 +398,7 @@ void smp4d_percpu_timer_interrupt(struct pt_regs *regs) prof_counter(cpu) = prof_multiplier(cpu); } + set_irq_regs(old_regs); } extern unsigned int lvl14_resolution; diff --git a/arch/sparc/kernel/sun4m_irq.c b/arch/sparc/kernel/sun4m_irq.c index 7cefa301efea..28bcf8e2c5b3 100644 --- a/arch/sparc/kernel/sun4m_irq.c +++ b/arch/sparc/kernel/sun4m_irq.c @@ -228,7 +228,7 @@ static void sun4m_load_profile_irq(int cpu, unsigned int limit) sun4m_timers->cpu_timers[cpu].l14_timer_limit = limit; } -static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *, struct pt_regs *)) +static void __init sun4m_init_timers(irqreturn_t (*counter_fn)(int, void *)) { int reg_count, irq, cpu; struct linux_prom_registers cnt_regs[PROMREG_MAX]; diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 7d4a649138f6..e2d9c018bd56 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -19,6 +19,7 @@ #include <linux/profile.h> #include <asm/cacheflush.h> #include <asm/tlbflush.h> +#include <asm/irq_regs.h> #include <asm/ptrace.h> #include <asm/atomic.h> @@ -353,11 +354,14 @@ void smp4m_cross_call_irq(void) void smp4m_percpu_timer_interrupt(struct pt_regs *regs) { + struct pt_regs *old_regs; int cpu = smp_processor_id(); + old_regs = set_irq_regs(regs); + clear_profile_irq(cpu); - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); if(!--prof_counter(cpu)) { int user = user_mode(regs); @@ -368,6 +372,7 @@ void smp4m_percpu_timer_interrupt(struct pt_regs *regs) prof_counter(cpu) = prof_multiplier(cpu); } + set_irq_regs(old_regs); } extern unsigned int lvl14_resolution; diff --git a/arch/sparc/kernel/tick14.c b/arch/sparc/kernel/tick14.c index d3b4daac705f..7107d2f0625d 100644 --- a/arch/sparc/kernel/tick14.c +++ b/arch/sparc/kernel/tick14.c @@ -55,7 +55,7 @@ void install_obp_ticker(void) linux_lvl14[3] = obp_lvl14[3]; } -void claim_ticker14(irqreturn_t (*handler)(int, void *, struct pt_regs *), +void claim_ticker14(irqreturn_t (*handler)(int, void *), int irq_nr, unsigned int timeout ) { int cpu = smp_processor_id(); diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index e10dc831944d..7dcd1a16c6e4 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -42,6 +42,7 @@ #include <asm/page.h> #include <asm/pcic.h> #include <asm/of_device.h> +#include <asm/irq_regs.h> DEFINE_SPINLOCK(rtc_lock); enum sparc_clock_type sp_clock_typ; @@ -104,13 +105,13 @@ __volatile__ unsigned int *master_l10_limit; #define TICK_SIZE (tick_nsec / 1000) -irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) +irqreturn_t timer_interrupt(int irq, void *dev_id) { /* last time the cmos clock got updated */ static long last_rtc_update; #ifndef CONFIG_SMP - profile_tick(CPU_PROFILING, regs); + profile_tick(CPU_PROFILING); #endif /* Protect counter clear so that do_gettimeoffset works */ @@ -128,7 +129,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs * regs) do_timer(1); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif |