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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-18 13:42:19 +0400 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 21:45:51 +0400 |
| commit | f1f3347da9440eedd2350f4f5d13d8860f570b92 (patch) | |
| tree | 47d652aeaf9c4455d085578c976c73789620ba8c /arch/arc/mm/tlbex.S | |
| parent | 5dda4dc570ac41e3bd73ef871c500aeb7005c6b0 (diff) | |
| download | linux-f1f3347da9440eedd2350f4f5d13d8860f570b92.tar.xz | |
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>
Diffstat (limited to 'arch/arc/mm/tlbex.S')
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