[systemd-devel] [PATCH] sys-kernel-debug.mount: mount with mode 755
Kernel hackers need access to the debugfs filesystem. For instance, see the performance subsystem (tools/perf in the kernel tree); we should let all users, not just root, run the perf tool to collect performance information about their programs by default. Cc: Lennart Poettering lenn...@poettering.net Signed-off-by: Ramkumar Ramachandra artag...@gmail.com --- units/sys-kernel-debug.mount | 1 + 1 file changed, 1 insertion(+) diff --git a/units/sys-kernel-debug.mount b/units/sys-kernel-debug.mount index 5369728..f90bfc1 100644 --- a/units/sys-kernel-debug.mount +++ b/units/sys-kernel-debug.mount @@ -17,3 +17,4 @@ Before=sysinit.target What=debugfs Where=/sys/kernel/debug Type=debugfs +Options=mode=755 -- 1.8.4.477.g5d89aa9 ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
Re: [systemd-devel] [PATCH] sys-kernel-debug.mount: mount with mode 755
On Fri, Oct 4, 2013 at 7:30 AM, Ramkumar Ramachandra artag...@gmail.com wrote: Kernel hackers need access to the debugfs filesystem. For instance, see the performance subsystem (tools/perf in the kernel tree); we should let all users, not just root, run the perf tool to collect performance information about their programs by default. http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82aceae4f0d42f03d9ad7d1e90389e731153898f Kay ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
Re: [systemd-devel] [PATCH] sys-kernel-debug.mount: mount with mode 755
On Fri, 04.10.13 11:00, Ramkumar Ramachandra (artag...@gmail.com) wrote: Kernel hackers need access to the debugfs filesystem. For instance, see the performance subsystem (tools/perf in the kernel tree); we should let all users, not just root, run the perf tool to collect performance information about their programs by default. There has been a constant forth and back on this topic regarding what the default should be. It used to be open, and then it was requested to be closed: https://bugzilla.redhat.com/show_bug.cgi?id=864080 The kernel folks committed this: https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=82aceae4f0d42f03d9ad7d1e90389e731153898f For me this settles the story for the time being: as long as that is the default the kernel guys think is appropriate we really should stick to it. If you don't like this default, please talk to the kernel folks and convince them to open this up again, and we'll just inherit that then. I don't think we should override kernel defaults in this area. I hope this makes sense! Lennart -- Lennart Poettering - Red Hat, Inc. ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
Re: [systemd-devel] [PATCH] sys-kernel-debug.mount: mount with mode 755
On Fri, Oct 04, 2013 at 04:50:30PM +0200, Lennart Poettering wrote: On Fri, 04.10.13 11:00, Ramkumar Ramachandra (artag...@gmail.com) wrote: Kernel hackers need access to the debugfs filesystem. For instance, see the performance subsystem (tools/perf in the kernel tree); we should let all users, not just root, run the perf tool to collect performance information about their programs by default. There has been a constant forth and back on this topic regarding what the default should be. It used to be open, and then it was requested to be closed: https://bugzilla.redhat.com/show_bug.cgi?id=864080 The kernel folks committed this: https://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=82aceae4f0d42f03d9ad7d1e90389e731153898f For me this settles the story for the time being: as long as that is the default the kernel guys think is appropriate we really should stick to it. If you don't like this default, please talk to the kernel folks and convince them to open this up again, and we'll just inherit that then. I don't think we should override kernel defaults in this area. The kernel defaults for debugfs will not be changed, unless some core debugfs and vfs changes get finished and merged, and I don't see that happening anytime soon. So keeping this locked down for everyone but root is a _very_ good idea, thanks for not changing it. greg k-h ___ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel
