Null pointers, one month later
Null pointers, one month later
Posted Aug 18, 2009 18:41 UTC (Tue) by drag (guest, #31333)In reply to: Null pointers, one month later by patrick_g
Parent article: Null pointers, one month later
Is this something that programmers of emulation machines (yes I know Wine isn't emulation, but in this case it seems want to do emulation-ish things?) typically want to be able to do?
Would it make sense for the kernel to simply lie? Make it so that address zero from the applications VM perspective isn't really address zero from the kernel's or machines's perspective?
(I am struggling to understand everything going on here. It seems like it wouldn't be difficult to do.. I always understood the point to having virtual memory is so that applications can abritrarially get their memory mapped to any section of memory.)
The LWN site is currently under high scraper load, so comment display has been suppressed for anonymous users. If you are a human, you may read the comments by clicking the button below:
Note: you can avoid this step in the future by logging into your LWN account.