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Blackfin: update aedos-ipipe code to upstream 1.10-00
Signed-off-by: Yi Li <yi.li@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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@ -35,10 +35,10 @@
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#include <asm/atomic.h>
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#include <asm/traps.h>
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#define IPIPE_ARCH_STRING "1.9-01"
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#define IPIPE_ARCH_STRING "1.10-00"
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#define IPIPE_MAJOR_NUMBER 1
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#define IPIPE_MINOR_NUMBER 9
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#define IPIPE_PATCH_NUMBER 1
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#define IPIPE_MINOR_NUMBER 10
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#define IPIPE_PATCH_NUMBER 0
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#ifdef CONFIG_SMP
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#error "I-pipe/blackfin: SMP not implemented"
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@ -54,10 +54,11 @@ do { \
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#define task_hijacked(p) \
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({ \
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int __x__ = ipipe_current_domain != ipipe_root_domain; \
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/* We would need to clear the SYNC flag for the root domain */ \
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/* over the current processor in SMP mode. */ \
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local_irq_enable_hw(); __x__; \
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int __x__ = __ipipe_root_domain_p; \
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__clear_bit(IPIPE_SYNC_FLAG, &ipipe_root_cpudom_var(status)); \
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if (__x__) \
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local_irq_enable_hw(); \
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!__x__; \
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})
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struct ipipe_domain;
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@ -179,23 +180,24 @@ static inline unsigned long __ipipe_ffnz(unsigned long ul)
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#define __ipipe_run_isr(ipd, irq) \
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do { \
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if (ipd == ipipe_root_domain) { \
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if (!__ipipe_pipeline_head_p(ipd)) \
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local_irq_enable_hw(); \
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if (ipipe_virtual_irq_p(irq)) \
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if (ipd == ipipe_root_domain) { \
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if (unlikely(ipipe_virtual_irq_p(irq))) { \
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irq_enter(); \
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ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
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else \
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irq_exit(); \
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} else \
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ipd->irqs[irq].handler(irq, &__raw_get_cpu_var(__ipipe_tick_regs)); \
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local_irq_disable_hw(); \
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} else { \
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__clear_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
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local_irq_enable_nohead(ipd); \
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ipd->irqs[irq].handler(irq, ipd->irqs[irq].cookie); \
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/* Attempt to exit the outer interrupt level before \
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* starting the deferred IRQ processing. */ \
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local_irq_disable_nohead(ipd); \
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__ipipe_run_irqtail(); \
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__set_bit(IPIPE_SYNC_FLAG, &ipipe_cpudom_var(ipd, status)); \
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} \
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local_irq_disable_hw(); \
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} while (0)
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#define __ipipe_syscall_watched_p(p, sc) \
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@ -99,7 +99,7 @@ void __ipipe_handle_irq(unsigned irq, struct pt_regs *regs)
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* interrupt.
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*/
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m_ack = (regs == NULL || irq == IRQ_SYSTMR || irq == IRQ_CORETMR);
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this_domain = ipipe_current_domain;
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this_domain = __ipipe_current_domain;
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if (unlikely(test_bit(IPIPE_STICKY_FLAG, &this_domain->irqs[irq].control)))
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head = &this_domain->p_link;
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@ -212,7 +212,9 @@ void __ipipe_unstall_root_raw(void)
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int __ipipe_syscall_root(struct pt_regs *regs)
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{
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struct ipipe_percpu_domain_data *p;
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unsigned long flags;
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int ret;
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/*
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* We need to run the IRQ tail hook whenever we don't
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@ -231,29 +233,31 @@ int __ipipe_syscall_root(struct pt_regs *regs)
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/*
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* This routine either returns:
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* 0 -- if the syscall is to be passed to Linux;
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* 1 -- if the syscall should not be passed to Linux, and no
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* >0 -- if the syscall should not be passed to Linux, and no
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* tail work should be performed;
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* -1 -- if the syscall should not be passed to Linux but the
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* <0 -- if the syscall should not be passed to Linux but the
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* tail work has to be performed (for handling signals etc).
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*/
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if (__ipipe_event_monitored_p(IPIPE_EVENT_SYSCALL) &&
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__ipipe_dispatch_event(IPIPE_EVENT_SYSCALL, regs) > 0) {
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if (ipipe_root_domain_p && !in_atomic()) {
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/*
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* Sync pending VIRQs before _TIF_NEED_RESCHED
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* is tested.
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*/
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local_irq_save_hw(flags);
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if ((ipipe_root_cpudom_var(irqpend_himask) & IPIPE_IRQMASK_VIRT) != 0)
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__ipipe_sync_pipeline(IPIPE_IRQMASK_VIRT);
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local_irq_restore_hw(flags);
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return -1;
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}
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if (!__ipipe_event_monitored_p(IPIPE_EVENT_SYSCALL))
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return 0;
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ret = __ipipe_dispatch_event(IPIPE_EVENT_SYSCALL, regs);
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local_irq_save_hw(flags);
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if (!__ipipe_root_domain_p) {
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local_irq_restore_hw(flags);
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return 1;
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}
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return 0;
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p = ipipe_root_cpudom_ptr();
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if ((p->irqpend_himask & IPIPE_IRQMASK_VIRT) != 0)
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__ipipe_sync_pipeline(IPIPE_IRQMASK_VIRT);
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local_irq_restore_hw(flags);
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return -ret;
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}
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unsigned long ipipe_critical_enter(void (*syncfn) (void))
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@ -329,9 +333,7 @@ asmlinkage void __ipipe_sync_root(void)
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void ___ipipe_sync_pipeline(unsigned long syncmask)
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{
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struct ipipe_domain *ipd = ipipe_current_domain;
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if (ipd == ipipe_root_domain) {
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if (__ipipe_root_domain_p) {
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if (test_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status)))
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return;
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}
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