From: Vivek Goyal <vgoyal@redhat.com>
To: Greg KH <greg@kroah.com>
Cc: linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, kexec@lists.infradead.org,
akpm@linux-foundation.org, zohar@linux.vnet.ibm.com,
d.kasatkin@samsung.com, ebiederm@xmission.com, hpa@zytor.com,
matthew.garrett@nebula.com
Subject: Re: [PATCH 14/16] kexec: Export sysfs attributes for secureboot and secure modules to user space
Date: Wed, 11 Sep 2013 09:44:01 -0400 [thread overview]
Message-ID: <20130911134401.GA15364@redhat.com> (raw)
In-Reply-To: <20130910224009.GA23727@kroah.com>
On Tue, Sep 10, 2013 at 03:40:09PM -0700, Greg KH wrote:
> On Tue, Sep 10, 2013 at 05:44:29PM -0400, Vivek Goyal wrote:
> > User space kexec-tools need to know whether to verify signature of kernel
> > image being loaded. This patch exports two knobs to user space. One is
> > for knowing if secureboot is enabled, this knob will be set to 1 if secure
> > boot is enabled. Other knob is secure_module_enabled. This knob will be set
> > to 1 if secure modules is one.
> >
> > kexec-tools will verify signature of kernel image if either secureboot is
> > enabled or secure modules is enabled. The only difference between two is
> > that kexec-tools will set secureboot on in bootparams being passed to
> > second kernel if secureboot is on in first kernel.
> >
> > Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
> > ---
> > kernel/ksysfs.c | 25 +++++++++++++++++++++++++
> > 1 file changed, 25 insertions(+)
>
> Minor nit, if you add/modify/delete sysfs files, you also have to update
> Documentation/ABI/ with the information about those files.
>
Sure. Will update Documentation/ABI/ in next version.
Thanks
Vivek
next prev parent reply other threads:[~2013-09-11 13:44 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-10 21:44 [PATCH 00/16] [RFC PATCH] Signed kexec support Vivek Goyal
2013-09-10 21:44 ` [PATCH 01/16] mm: vm_brk(), align the length to page boundary Vivek Goyal
2013-09-10 21:44 ` [PATCH 02/16] integrity: Add a function to determine digital signature length Vivek Goyal
2013-09-10 21:44 ` [PATCH 03/16] ima: Allow adding more memory locking metadata after digital signature v2 Vivek Goyal
2013-09-10 21:44 ` [PATCH 04/16] integrity: Allow digital signature verification with a given keyring ptr Vivek Goyal
2013-09-11 17:34 ` Mimi Zohar
2013-09-10 21:44 ` [PATCH 05/16] integrity: Export a function to retrieve hash algo used in digital signature Vivek Goyal
2013-09-10 21:44 ` [PATCH 06/16] ima: export new IMA functions for signature verification Vivek Goyal
2013-09-10 21:44 ` [PATCH 07/16] mm: Define a task flag MMF_VM_LOCKED for memlocked tasks and don't allow munlock Vivek Goyal
2013-09-10 21:44 ` [PATCH 08/16] binfmt_elf: Elf executable signature verification Vivek Goyal
2013-09-10 21:44 ` [PATCH 09/16] ima: define functions to appraise memory buffer contents Vivek Goyal
2013-09-10 21:44 ` [PATCH 10/16] keyctl: Introduce a new operation KEYCTL_VERIFY_SIGNATURE Vivek Goyal
2013-09-10 21:44 ` [PATCH 11/16] ptrace: Do not allow ptrace() from unsigned process to signed one Vivek Goyal
2013-09-10 21:44 ` [PATCH 12/16] binfmt_elf: Do not mark process signed if binary has elf interpreter Vivek Goyal
2013-09-10 21:44 ` [PATCH 13/16] kexec: Allow only signed processes to call sys_kexec() in secureboot mode Vivek Goyal
2013-09-10 21:44 ` [PATCH 14/16] kexec: Export sysfs attributes for secureboot and secure modules to user space Vivek Goyal
2013-09-10 22:40 ` Greg KH
2013-09-11 13:44 ` Vivek Goyal [this message]
2013-09-10 22:57 ` Josh Boyer
2013-09-11 13:51 ` Vivek Goyal
2013-09-10 21:44 ` [PATCH 15/16] bootparam: Pass acpi_rsdp pointer in bootparam Vivek Goyal
2013-09-10 22:52 ` H. Peter Anvin
2013-09-11 11:44 ` Borislav Petkov
2013-09-11 13:45 ` Vivek Goyal
2013-09-11 14:32 ` Borislav Petkov
2013-09-12 7:34 ` Dave Young
2013-09-12 12:53 ` Borislav Petkov
[not found] ` <20130912131930.GC28500@redhat.com>
2013-09-12 14:25 ` Borislav Petkov
2013-09-12 14:34 ` Matthew Garrett
2013-09-12 14:42 ` Borislav Petkov
2013-09-13 7:12 ` Dave Young
2013-09-13 11:26 ` Borislav Petkov
2013-09-10 21:44 ` [PATCH 16/16] mount: Add a flag to not follow symlink at the end of mount point Vivek Goyal
2013-09-12 3:40 ` [PATCH 00/16] [RFC PATCH] Signed kexec support Greg KH
2013-09-12 11:43 ` Vivek Goyal
2013-09-12 16:17 ` Greg KH
2013-09-12 18:24 ` Mimi Zohar
[not found] ` <20130916142852.GB20753@redhat.com>
2013-09-18 14:51 ` Andrea Adami
2013-09-23 17:15 ` Vivek Goyal
2013-09-16 14:24 ` Vivek Goyal
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