On 07/22/14 14:30, Yury Gribov wrote: >>> It is required for Kernel AddressSanitizer, as the shadow offset is >>> not known at the compile time, >> >> To get shadow offset this patch uses function __asan_get_shadow_ptr. >> Wouldn't be more effective just to read variable instead of function call? > > Depends on how much logic you want to hide there. If it's just "return > something" than sure > but if you need some synchronization or complex calculations, accessing > global would not be enough. >
This function just returns some global variable, and I don't think we will need something more complex in future. > -Y >
