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Re: [PATCH] ubifs: add CONFIG_UBIFS_FS_SECURITY to disable/enable security labels

From Richard Weinberger <richard@nod.at>
Newsgroups linux.kernel
Subject Re: [PATCH] ubifs: add CONFIG_UBIFS_FS_SECURITY to disable/enable security labels
Date 2017-03-03 10:00 +0100
Message-ID <tgRe9-75L-1@gated-at.bofh.it> (permalink)
References <tgQrL-6Ey-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hyunchul Lee,

Am 03.03.2017 um 08:44 schrieb Hyunchul Lee:
> From: Hyunchul Lee <cheol.lee@lge.com>
> 
> When write syscall is called, every time security label is searched to
> determine that file's privileges should be changed.
> If LSM(Linux Security Model) is not used, this is useless.
> 
> So introduce CONFIG_UBIFS_SECURITY to disable security labels. it's default
> value is "y".

Can you please explain what the benefit is and why UBIFS needs this (and why not
all other filesystems)?
I guess some performance issue, do you have numbers?

Thanks,
//richard

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Thread

[PATCH] ubifs: add CONFIG_UBIFS_FS_SECURITY to disable/enable security labels Hyunchul Lee <hyc.lee@gmail.com> - 2017-03-03 09:10 +0100
  Re: [PATCH] ubifs: add CONFIG_UBIFS_FS_SECURITY to disable/enable  security labels Richard Weinberger <richard@nod.at> - 2017-03-03 10:00 +0100
    Re: [PATCH] ubifs: add CONFIG_UBIFS_FS_SECURITY to disable/enable  security labels Hyunchul Lee <hyc.lee@gmail.com> - 2017-03-03 12:20 +0100

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