cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/include/asm/pmc.h

/*
 * pmc.h
 * Copyright (C) 2004  David Gibson, IBM Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
#ifndef _POWERPC_PMC_H

#define _POWERPC_PMC_H
#ifdef __KERNEL__

#include <asm/ptrace.h>


typedef void (*perf_irq_t)(struct pt_regs *);
extern perf_irq_t perf_irq;

int reserve_pmc_hardware(perf_irq_t new_perf_irq);
void release_pmc_hardware(void);
void ppc_enable_pmcs(void);

#ifdef CONFIG_PPC_BOOK3S_64
#include <asm/lppaca.h>


static inline void ppc_set_pmu_inuse(int inuse) { get_lppaca()->pmcregs_in_use = inuse; }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mackerras17100.00%1100.00%
Total17100.00%1100.00%

extern void power4_enable_pmcs(void); #else /* CONFIG_PPC64 */
static inline void ppc_set_pmu_inuse(int inuse) { }

Contributors

PersonTokensPropCommitsCommitProp
Paul Mackerras666.67%150.00%
Olof Johansson333.33%150.00%
Total9100.00%2100.00%

#endif #endif /* __KERNEL__ */ #endif /* _POWERPC_PMC_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Paul Mackerras3636.73%111.11%
Kumar Gala2727.55%222.22%
David Gibson2020.41%111.11%
Arnd Bergmann66.12%111.11%
Matt Porter44.08%111.11%
Olof Johansson33.06%111.11%
Stephen Rothwell11.02%111.11%
Benjamin Herrenschmidt11.02%111.11%
Total98100.00%9100.00%
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