On 04/17/2015 09:39 PM, David Keitel wrote: > On 04/15/2015 11:04 AM, Andrey Ryabinin wrote: >> I've pushed the most fresh thing that I have in git: >> git://github.com/aryabinin/linux.git kasan/arm64v1 >> >> It's the same patches with two simple but important fixes on top of it. > > Thanks, the two commits do fix compilation issues that I've had worked around to get to my mapping question. > > I've addressed the mapping problem using __create_page_tables in arch/arm64/head.S as an example. > > The next roadblock I hit was running into kasan_report_error calls in cgroups_early_init. After a short investigation it does seem to be a false positive due the the kasan_zero_page size and tracking bytes being reused for different memory regions. > > I worked around that by enabling kasan error reporting only after the kasan_init is run. This let me get to the shell with some real KAsan reports along the way. Reporting already disabled before kasan_init() and the last thing that kasan_init() is enable error reports. So, how did you managed to get kasan's report before kasan_init()? > There were some other fixes and hacks to get there. I'll backtrack to evaluate which ones warrant an RFC. > > - David > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>