On 4/16/14, 5:08 PM, Kayse, Josh wrote:
On Apr 16, 2014, at 8:06 PM, Kayse, Josh <[email protected]
<mailto:[email protected]>> wrote:
On Apr 16, 2014, at 7:59 PM, Shawn Wells <[email protected]
<mailto:[email protected]>> wrote:
On 4/16/14, 5:44 AM, Jan Lieskovsky wrote:
Patch summary:
* check for 'nousb' argument on kernel command line in /etc/grub.conf
within the bootloader_nousb_argument check in a case-insensitive way
* update comments where appropriate
* add test attestation timestamp
* replace path + filename ind construct with filepath one
Testing report:
* Tested on RHEL-6. Works fine.
I wasn't sure if nousb was case insensitive, so I checked
https://www.kernel.org/doc/Documentation/kernel-parameters.txt
And found this:
Note that ALL kernel parameters listed below are CASE SENSITIVE, and that
a trailing = on the name of any parameter states that that parameter will
be entered as an environment variable, whereas its absence indicates that
it will appear as a kernel argument readable via /proc/cmdline by programs
running once the system is up.
"nousb" was in the list as case sensitive.
Applied your patch (RHEL 6.5), added "nOuSB," and things seem to
check out. Should we follow the kernel docs (which say case
sensitive), or allow insensitivity since it actually works?
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I’d like to point out that the selinux parameter is also within that
list. I vote we should follow what actually works and assume the
kernel docs are out of date.
-josh
Also, according to
https://github.com/torvalds/linux/blame/master/Documentation/kernel-parameters.txt that
line was last changed 2005. Perhaps someone should brave lkml and
submit a patch.
-josh
Thanks for that link!
Ack to Jan's patch.
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