>AFAIK, by using certain instructions...you can manually insert
>entry/entries to TLB. Same thing to deleting TLB entries.
>entry/entries to TLB. Same thing to deleting TLB entries.
Yes you can insert/delete entries in TLB manually. Though I am not sure but AFAIK, linux kernel does do this.
Please correct if I am wrong.
Regards
On 2/5/08, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote:
Hi...
On 2/5/08, sahlot arvind <asahlot@xxxxxxxxx> wrote:
> TLB entries are filled by H/W and not explicitly by kernel. Whenever MMU
> translates VA to PA it caches that translation into TLB. If TLB is full then
> MMU uses its own algorithms to replace some entry in TLB e.g. MMU might
> consider TLB as circular buffer and replace first entry once TLB is full.
AFAIK, by using certain instructions...you can manually insert
entry/entries to TLB. Same thing to deleting TLB entries. This kind of
technique is used for example on security related software such as
PaX/grsecurity
regards,
Mulyadi.
