Hi, On Wed, Jan 5, 2011 at 3:25 PM, Fernando Guzman Lugo <fernando.lugo@xxxxxx> wrote: > From: Guzman Lugo, Fernando <fernando.lugo@xxxxxx> > > IVA MMU can manage up to 4GB of address space through its page tables, > given that it's L1 is divided into 1MB sections it requires at least > 16KB for its table which represents 4096 entries of 32 bits each. > > Previously, only 1GB was being handled by setting the page table size > to 4KB, any virtual address beyond of the L1 size used, would fall > into memory that does not belong to L1 translation tables, leading to > unpredictable results. > > So, set the L1 table size to cover the entire MMU range (4GB) whether > is meant to be used or not. > > Reported-by: Felipe Contreras <felipe.contreras@xxxxxxxxx> > Signed-off-by: Fernando Guzman Lugo <fernando.lugo@xxxxxx> > Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx> Nice fix, pushed to for-gkh-2.6.38 branch. Regards, Omar _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
