On Sat, Oct 29, 2016 at 03:19:10PM +0530, Keerthy wrote: > While we setup the mmu initially we mark set_section_dcache with > DCACHE_OFF flag. In case of non-LPAE mode the DCACHE_OFF macro > is rightly defined with TTB_SECT_XN_MASK set so as to mark all the > 4GB XN. In case of LPAE mode XN(Execute-never) bit is not set with > DCACHE_OFF. Hence XN bit is not set by default for DCACHE_OFF which > keeps all the regions execute okay and this leads to random speculative > fetches in random memory regions which was eventually caught by kernel > omap-l3-noc driver. > > Fix this to mark the regions as XN by default. > > Signed-off-by: Keerthy <[email protected]> > Reviewed-by: Alexander Graf <[email protected]>
Reviewed-by: Tom Rini <[email protected]> -- Tom
signature.asc
Description: Digital signature
_______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
