52 commits

Author	SHA1	Message	Date
Vineet Gupta	cc562d2eae	ARC: MMU Exception Handling ... * MMU I-TLB / D-TLB Miss Exceptions - Fast Path TLB Refill Handler - slowpath TLB creation via do_page_fault() -> update_mmu_cache() * Duplicate PD Exception Handler Signed-off-by: Vineet Gupta <vgupta@synopsys.com>	2013-02-15 23:15:52 +05:30
Vineet Gupta	f1f3347da9	ARC: MMU Context Management ... ARC700 MMU provides for tagging TLB entries with a 8-bit ASID to avoid having to flush the TLB every task switch. It also allows for a quick way to invalidate all the TLB entries for task useful for: * COW sementics during fork() * task exit()ing Signed-off-by: Vineet Gupta <vgupta@synopsys.com>	2013-02-15 23:15:51 +05:30