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Release 4.14 arch/mn10300/mm/cache-smp-flush.c

Directory: arch/mn10300/mm
/* Functions for global dcache flush when writeback caching in SMP
 *
 * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#include <linux/mm.h>
#include <asm/cacheflush.h>
#include "cache-smp.h"

/**
 * mn10300_dcache_flush - Globally flush data cache
 *
 * Flush the data cache on all CPUs.
 */

void mn10300_dcache_flush(void) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush(); smp_cache_call(SMP_DCACHE_FLUSH, 0, 0); smp_unlock_cache(flags); }

Contributors

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Akira Takeuchi33100.00%1100.00%
Total33100.00%1100.00%

/** * mn10300_dcache_flush_page - Globally flush a page of data cache * @start: The address of the page of memory to be flushed. * * Flush a range of addresses in the data cache on all CPUs covering * the page that includes the given address. */
void mn10300_dcache_flush_page(unsigned long start) { unsigned long flags; start &= ~(PAGE_SIZE-1); flags = smp_lock_cache(); mn10300_local_dcache_flush_page(start); smp_cache_call(SMP_DCACHE_FLUSH_RANGE, start, start + PAGE_SIZE); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi48100.00%1100.00%
Total48100.00%1100.00%

/** * mn10300_dcache_flush_range - Globally flush range of data cache * @start: The start address of the region to be flushed. * @end: The end address of the region to be flushed. * * Flush a range of addresses in the data cache on all CPUs, between start and * end-1 inclusive. */
void mn10300_dcache_flush_range(unsigned long start, unsigned long end) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush_range(start, end); smp_cache_call(SMP_DCACHE_FLUSH_RANGE, start, end); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi43100.00%1100.00%
Total43100.00%1100.00%

/** * mn10300_dcache_flush_range2 - Globally flush range of data cache * @start: The start address of the region to be flushed. * @size: The size of the region to be flushed. * * Flush a range of addresses in the data cache on all CPUs, between start and * start+size-1 inclusive. */
void mn10300_dcache_flush_range2(unsigned long start, unsigned long size) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush_range2(start, size); smp_cache_call(SMP_DCACHE_FLUSH_RANGE, start, start + size); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi45100.00%1100.00%
Total45100.00%1100.00%

/** * mn10300_dcache_flush_inv - Globally flush and invalidate data cache * * Flush and invalidate the data cache on all CPUs. */
void mn10300_dcache_flush_inv(void) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush_inv(); smp_cache_call(SMP_DCACHE_FLUSH_INV, 0, 0); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi33100.00%1100.00%
Total33100.00%1100.00%

/** * mn10300_dcache_flush_inv_page - Globally flush and invalidate a page of data * cache * @start: The address of the page of memory to be flushed and invalidated. * * Flush and invalidate a range of addresses in the data cache on all CPUs * covering the page that includes the given address. */
void mn10300_dcache_flush_inv_page(unsigned long start) { unsigned long flags; start &= ~(PAGE_SIZE-1); flags = smp_lock_cache(); mn10300_local_dcache_flush_inv_page(start); smp_cache_call(SMP_DCACHE_FLUSH_INV_RANGE, start, start + PAGE_SIZE); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi48100.00%1100.00%
Total48100.00%1100.00%

/** * mn10300_dcache_flush_inv_range - Globally flush and invalidate range of data * cache * @start: The start address of the region to be flushed and invalidated. * @end: The end address of the region to be flushed and invalidated. * * Flush and invalidate a range of addresses in the data cache on all CPUs, * between start and end-1 inclusive. */
void mn10300_dcache_flush_inv_range(unsigned long start, unsigned long end) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush_inv_range(start, end); smp_cache_call(SMP_DCACHE_FLUSH_INV_RANGE, start, end); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi43100.00%1100.00%
Total43100.00%1100.00%

/** * mn10300_dcache_flush_inv_range2 - Globally flush and invalidate range of data * cache * @start: The start address of the region to be flushed and invalidated. * @size: The size of the region to be flushed and invalidated. * * Flush and invalidate a range of addresses in the data cache on all CPUs, * between start and start+size-1 inclusive. */
void mn10300_dcache_flush_inv_range2(unsigned long start, unsigned long size) { unsigned long flags; flags = smp_lock_cache(); mn10300_local_dcache_flush_inv_range2(start, size); smp_cache_call(SMP_DCACHE_FLUSH_INV_RANGE, start, start + size); smp_unlock_cache(flags); }

Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi45100.00%1100.00%
Total45100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Akira Takeuchi356100.00%1100.00%
Total356100.00%1100.00%
Directory: arch/mn10300/mm
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