Re: [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner

[Alexey Dobriyan]

On Sat, Oct 29, 2022 at 09:14:44AM +0700, Bagas Sanjaya wrote:
> On Fri, Oct 28, 2022 at 10:33:49PM +0300, Alexey Dobriyan wrote:
> > 
> > I've tested it with kernel patch which installs rogue page and it was found.
> > 
> > 	$ ./a.out -h
> > 	usage: ./a.out [-f] [-r] [-n N] [-s S]
> > 	        -f: sequential scan
> > 	        -r: random scan (default)
> > 	        -n: use N threads (default: $(nproc))
> > 	        -s: lowest address shift (default: 47)
> > 	        -t: time to run (default: 256 seconds)
> > 
> > Intended usages are:
> > 
> > 	$ ./a.out -f		# full scan on all cores
> > or
> > 	$ ./a.out -r -t ...	# time limited random scan for QA test
> > 
> 
> The executable name is a.out, really?

This is copypasta from my internal git.

It will be named ffff8_64 by the build system.