/* * Copyright 2014, Michael Ellerman, IBM Corp. * Licensed under GPLv2. */ #ifndef _SELFTESTS_POWERPC_PMU_EBB_EBB_H #define _SELFTESTS_POWERPC_PMU_EBB_EBB_H #include "../event.h" #include "../lib.h" #include "trace.h" #include "reg.h" #define PMC_INDEX(pmc) ((pmc)-1) #define NUM_PMC_VALUES 128 struct ebb_state { struct { u64 pmc_count[6]; volatile int ebb_count; int spurious; int negative; int no_overflow; } stats; bool pmc_enable[6]; struct trace_buffer *trace; }; extern struct ebb_state ebb_state; #define COUNTER_OVERFLOW 0x80000000ull static inline uint32_t pmc_sample_period(uint32_t value) { return COUNTER_OVERFLOW - value; } static inline void ebb_enable_pmc_counting(int pmc) { ebb_state.pmc_enable[PMC_INDEX(pmc)] = true; } bool ebb_check_count(int pmc, u64 sample_period, int fudge); void event_leader_ebb_init(struct event *e); void event_ebb_init(struct event *e); void event_bhrb_init(struct event *e, unsigned ifm); void setup_ebb_handler(void (*callee)(void)); void standard_ebb_callee(void); int ebb_event_enable(struct event *e); void ebb_global_enable(void); void ebb_global_disable(void); bool ebb_is_supported(void); void ebb_freeze_pmcs(void); void ebb_unfreeze_pmcs(void); void event_ebb_init(struct event *e); void event_leader_ebb_init(struct event *e); int count_pmc(int pmc, uint32_t sample_period); void dump_ebb_state(void); void dump_summary_ebb_state(void); void dump_ebb_hw_state(void); void clear_ebb_stats(void); void write_pmc(int pmc, u64 value); u64 read_pmc(int pmc); void reset_ebb_with_clear_mask(unsigned long mmcr0_clear_mask); void reset_ebb(void); int ebb_check_mmcr0(void); extern u64 sample_period; int core_busy_loop(void); int ebb_child(union pipe read_pipe, union pipe write_pipe); int catch_sigill(void (*func)(void)); void write_pmc1(void); #endif /* _SELFTESTS_POWERPC_PMU_EBB_EBB_H */ ccfdd1e8b539225ce20e3925a945cc788d67'>treecommitdiff
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authorRandy Dunlap <rdunlap@infradead.org>2017-01-24 15:18:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:26:14 -0800
commit3705ccfdd1e8b539225ce20e3925a945cc788d67 (patch)
tree99e56310f1dad0b63ac34307f4e2536a675972b6 /sound/firewire/digi00x/digi00x-midi.c
parentf598f82e204ec0b17797caaf1b0311c52d43fb9a (diff)
mn10300: fix build error of missing fpu_save()
When CONFIG_FPU is not enabled on arch/mn10300, <asm/switch_to.h> causes a build error with a call to fpu_save(): kernel/built-in.o: In function `.L410': core.c:(.sched.text+0x28a): undefined reference to `fpu_save' Fix this by including <asm/fpu.h> in <asm/switch_to.h> so that an empty static inline fpu_save() is defined. Link: http://lkml.kernel.org/r/dc421c4f-4842-4429-1b99-92865c2f24b6@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <fengguang.wu@intel.com> Reviewed-by: David Howells <dhowells@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound/firewire/digi00x/digi00x-midi.c')