linux-kernel - Re: scheduling while atomic & hang.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130710205434.GC22305@fieldses.org>
Date:	Wed, 10 Jul 2013 16:54:34 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Anvin <hpa@...or.com>
Subject: Re: scheduling while atomic & hang.

On Thu, Jul 04, 2013 at 03:49:02AM -0400, Dave Jones wrote:
> I don't use the auto config, because I end up filling up /boot
> unless I go through and clean them out by hand every time I install
> a new one (which I do probably a dozen or so times a day).
> Is there some easy way to prune old builds I'm missing ?

I run this by hand every now and then.  I'm probably doing it all wrong.

--b.

#!/bin/bash

# because I use CONFIG_LOCALVERSION_AUTO, not the same version again and
# again, /boot and /lib/modules/ eventually fill up.
# Dumb script to purge that stuff:

ssh "root@$1" '

for f in $(ls /lib/modules); do
        if rpm -qf "/lib/modules/$f" >/dev/null; then
                echo "keeping $f (installed from rpm)"
        elif [ $(uname -r) = "$f" ]; then
                echo "keeping $f (running kernel) "
        else
                echo "removing $f"
                rm -f "/boot/initramfs-$f.img" "/boot/System.map-$f"
                rm -f "/boot/vmlinuz-$f"   "/boot/config-$f"
                rm -rf "/lib/modules/$f"
                new-kernel-pkg --remove $f
        fi
done
'
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/