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authorDavid S. Miller <davem@davemloft.net>2014-01-14 17:37:09 -0500
committerDavid S. Miller <davem@davemloft.net>2014-01-14 17:42:42 -0500
commit0a379e21c503b2ff66b44d588df9f231e9b0b9ca (patch)
tree22b875fcf4b67fcd007726f00c5fc1748ce985d0 /arch/parisc/kernel/cache.c
parenta49da8811e71c5355b52c65ee32976741d5834cd (diff)
parentfdc3452cd2c7b2bfe0f378f92123f4f9a98fa2bd (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/parisc/kernel/cache.c')
-rw-r--r--arch/parisc/kernel/cache.c35
1 files changed, 0 insertions, 35 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index c035673209f7..a72545554a31 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -388,41 +388,6 @@ void flush_kernel_dcache_page_addr(void *addr)
388} 388}
389EXPORT_SYMBOL(flush_kernel_dcache_page_addr); 389EXPORT_SYMBOL(flush_kernel_dcache_page_addr);
390 390
391void clear_user_page(void *vto, unsigned long vaddr, struct page *page)
392{
393 clear_page_asm(vto);
394 if (!parisc_requires_coherency())
395 flush_kernel_dcache_page_asm(vto);
396}
397EXPORT_SYMBOL(clear_user_page);
398
399void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
400 struct page *pg)
401{
402 /* Copy using kernel mapping. No coherency is needed
403 (all in kmap/kunmap) on machines that don't support
404 non-equivalent aliasing. However, the `from' page
405 needs to be flushed before it can be accessed through
406 the kernel mapping. */
407 preempt_disable();
408 flush_dcache_page_asm(__pa(vfrom), vaddr);
409 preempt_enable();
410 copy_page_asm(vto, vfrom);
411 if (!parisc_requires_coherency())
412 flush_kernel_dcache_page_asm(vto);
413}
414EXPORT_SYMBOL(copy_user_page);
415
416#ifdef CONFIG_PA8X00
417
418void kunmap_parisc(void *addr)
419{
420 if (parisc_requires_coherency())
421 flush_kernel_dcache_page_addr(addr);
422}
423EXPORT_SYMBOL(kunmap_parisc);
424#endif
425
426void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) 391void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
427{ 392{
428 unsigned long flags; 393 unsigned long flags;