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From: Alexey Dobriyan <adobriyan@gmail.com>
To: Bagas Sanjaya <bagasdotme@gmail.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
	dave.hansen@linux.intel.com, hpa@zytor.com,
	linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner
Date: Sat, 29 Oct 2022 12:45:19 +0300	[thread overview]
Message-ID: <Y1z2L8aAq7sOWxQT@p183> (raw)
In-Reply-To: <Y1yMlEqtiQwUoy9m@debian.me>

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.

      reply	other threads:[~2022-10-29  9:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-28 19:33 [PATCH] selftests/x86: add "ffff8" -- kernel memory scanner Alexey Dobriyan
2022-10-28 22:14 ` H. Peter Anvin
2022-10-29  9:55   ` Alexey Dobriyan
2022-10-29 17:25   ` [PATCH v2] " Alexey Dobriyan
2022-10-31 21:37     ` Dave Hansen
2022-11-01  6:45       ` Alexey Dobriyan
2022-11-01  7:04         ` Dave Hansen
2022-11-23 13:29           ` [PATCH v3] " Alexey Dobriyan
2022-10-29  2:14 ` [PATCH] " Bagas Sanjaya
2022-10-29  9:45   ` Alexey Dobriyan [this message]

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