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7e40c92019
linux/arch/sparc/mm
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Dave Kleikamp 23a01138ef sparc: tsb must be flushed before tlb 
This fixes a race where a cpu may re-load a tlb from a stale tsb right
after it has been flushed by a remote function call.

I still see some instability when stressing the system with parallel
kernel builds while creating memory pressure by writing to
/proc/sys/vm/nr_hugepages, but this patch improves the stability
significantly.

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Acked-by: Bob Picco <bob.picco@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-19 02:10:30 -07:00
..
extable.c sparc: Add module.h to files previously implicitly using it. 2011-10-31 19:30:54 -04:00
fault_32.c readahead: fault retry breaks mmap file read random detection 2012-10-09 16:22:47 +09:00
fault_64.c sparc64: Fix tsb_grow() in atomic context. 2013-02-20 09:46:08 -08:00
gup.c sparc64: Fix get_user_pages_fast() wrt. THP. 2013-02-13 12:22:14 -08:00
highmem.c sparc32: move kmap_init() to highmem.c 2012-07-26 16:46:17 -07:00
hugetlbpage.c mm: use vm_unmapped_area() in hugetlbfs on sparc64 architecture 2012-12-11 17:22:26 -08:00
hypersparc.S sparc: remove CVS keywords 2008-05-20 00:33:44 -07:00
init_32.c mm/SPARC: use common help functions to free reserved pages 2013-05-07 18:38:26 -07:00
init_64.c sparc64 address-congruence property 2013-06-19 02:10:30 -07:00
init_64.h sparc64: Support 2GB and 16GB page sizes for kernel linear mappings. 2012-09-06 18:13:58 -07:00
io-unit.c sparc32: Convert mmu_* interfaces from btfixup to method ops. 2012-05-13 13:57:05 -07:00
iommu.c sparc/iommu: fix typo s/265KB/256KB/ 2013-03-31 19:29:12 -04:00
leon_mm.c sparc32: srmmu_probe now knows about leon too 2012-05-27 23:52:51 -07:00
Makefile sparc32: introduce run-time patching of srmmu access functions 2012-05-27 23:52:49 -07:00
srmmu_access.S sparc32: introduce run-time patching of srmmu access functions 2012-05-27 23:52:49 -07:00
srmmu.c sparc/srmmu: clear trailing edge of bitmap properly 2013-03-31 19:29:12 -04:00
srmmu.h sparc32,leon: move leon mmu functions to leon_mm.c 2012-05-19 23:27:38 -07:00
swift.S sparc: remove CVS keywords 2008-05-20 00:33:44 -07:00
tlb.c sparc: tsb must be flushed before tlb 2013-06-19 02:10:30 -07:00
tsb.c sparc64: Fix race in TLB batch processing. 2013-04-19 17:26:26 -04:00
tsunami.S sparc/mm/: possible cleanups 2008-07-17 21:38:01 -07:00
ultra.S sparc64: Fix race in TLB batch processing. 2013-04-19 17:26:26 -04:00
viking.S sparc32: remove runtime btfix support 2012-05-14 14:05:09 -07:00