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818b667ba5
This constant hasn't been used since before the git era (2.6.12) and thus can be dropped. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Richard Weinberger <richard@nod.at> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef __ASM_SMP_H
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#define __ASM_SMP_H
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#include <linux/threads.h>
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#include <linux/cpumask.h>
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#include <linux/bitops.h>
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#include <asm/pal.h>
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/* HACK: Cabrio WHAMI return value is bogus if more than 8 bits used.. :-( */
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static __inline__ unsigned char
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__hard_smp_processor_id(void)
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{
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register unsigned char __r0 __asm__("$0");
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__asm__ __volatile__(
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"call_pal %1 #whami"
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: "=r"(__r0)
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:"i" (PAL_whami)
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: "$1", "$22", "$23", "$24", "$25");
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return __r0;
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}
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#ifdef CONFIG_SMP
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#include <asm/irq.h>
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struct cpuinfo_alpha {
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unsigned long loops_per_jiffy;
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unsigned long last_asn;
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int need_new_asn;
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int asn_lock;
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unsigned long ipi_count;
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unsigned long prof_multiplier;
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unsigned long prof_counter;
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unsigned char mcheck_expected;
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unsigned char mcheck_taken;
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unsigned char mcheck_extra;
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} __attribute__((aligned(64)));
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extern struct cpuinfo_alpha cpu_data[NR_CPUS];
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#define hard_smp_processor_id() __hard_smp_processor_id()
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#define raw_smp_processor_id() (current_thread_info()->cpu)
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extern int smp_num_cpus;
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extern void arch_send_call_function_single_ipi(int cpu);
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extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
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#else /* CONFIG_SMP */
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#define hard_smp_processor_id() 0
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#define smp_call_function_on_cpu(func,info,wait,cpu) ({ 0; })
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#endif /* CONFIG_SMP */
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#define NO_PROC_ID (-1)
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#endif
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