From: Prakhar Srivastava <prsriva@linux.microsoft.com>
To: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Cc: catalin.marinas@arm.com, will@kernel.org, mpe@ellerman.id.au,
benh@kernel.crashing.org, paulus@samba.org, robh+dt@kernel.org,
frowand.list@gmail.com, zohar@linux.ibm.com,
dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com,
pasha.tatashin@soleen.com, allison@lohutok.net,
kstewart@linuxfoundation.org, takahiro.akashi@linaro.org,
tglx@linutronix.de, vincenzo.frascino@arm.com,
mark.rutland@arm.com, masahiroy@kernel.org, james.morse@arm.com,
bhsharma@redhat.com, mbrugger@suse.com, hsinyi@chromium.org,
tao.li@vivo.com, christophe.leroy@c-s.fr,
gregkh@linuxfoundation.org, nramas@linux.microsoft.com,
prsriva@linux.microsoft.com, tusharsu@linux.microsoft.com,
balajib@linux.microsoft.com, bauerman@linux.ibm.com,
robh@kernel.org
Subject: [PATCH V3 5/6] Update the Kconfig to support carrying forward the IMA Measurement log and and update the setup_dtb call to add the linux,ima-kexec-buffer property to the DTB.
Date: Mon, 20 Jul 2020 08:23:41 -0700 [thread overview]
Message-ID: <20200720152342.337990-6-prsriva@linux.microsoft.com> (raw)
In-Reply-To: <20200720152342.337990-1-prsriva@linux.microsoft.com>
Signed-off-by: Prakhar Srivastava <prsriva@linux.microsoft.com>
---
arch/arm64/Kconfig | 1 +
arch/arm64/kernel/machine_kexec_file.c | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 66dc41fd49f2..ece34b8ca648 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1077,6 +1077,7 @@ config KEXEC
config KEXEC_FILE
bool "kexec file based system call"
select KEXEC_CORE
+ select HAVE_IMA_KEXEC
help
This is new version of kexec system call. This system call is
file based and takes file descriptors as system call argument
diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c
index 4c54723e7a04..066670c43626 100644
--- a/arch/arm64/kernel/machine_kexec_file.c
+++ b/arch/arm64/kernel/machine_kexec_file.c
@@ -153,6 +153,17 @@ static int setup_dtb(struct kimage *image,
FDT_PROP_KASLR_SEED);
}
+ /* add ima-kexec-buffer */
+ if (image->arch.ima_buffer_size > 0) {
+
+ ret = fdt_appendprop_addrrange(dtb, 0, off,
+ "linux,ima-kexec-buffer",
+ image->arch.ima_buffer_addr,
+ image->arch.ima_buffer_size);
+ if (ret)
+ return (ret == -FDT_ERR_NOSPACE ? -ENOMEM : -EINVAL);
+ }
+
/* add rng-seed */
if (rng_is_initialized()) {
void *rng_seed;
--
2.25.1
next prev parent reply other threads:[~2020-07-20 15:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 15:23 [PATCH V3 0/6] Add support to carry forward the IMA measurement logs Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 1/6] Refactoring powerpc code to be made available to other architectures Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 2/6] Update remove_ima_buffer code to use functions from libfdt reducing wrappers functions Prakhar Srivastava
2020-07-20 15:32 ` Greg KH
2020-07-20 15:23 ` [PATCH V3 3/6] Update function do_get_kexec_buffer to use of_* functions, and reducing wrapper functions Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 4/6] Add support in arm64 to store the memory information of the IMA measurement log in the kimage used for kexec Prakhar Srivastava
2020-07-20 19:24 ` kernel test robot
2020-07-20 19:24 ` kernel test robot
2020-07-20 15:23 ` Prakhar Srivastava [this message]
2020-07-20 15:32 ` [PATCH V3 5/6] Update the Kconfig to support carrying forward the IMA Measurement log and and update the setup_dtb call to add the linux,ima-kexec-buffer property to the DTB Greg KH
2020-07-20 20:18 ` kernel test robot
2020-07-20 20:18 ` [PATCH V3 5/6] Update the Kconfig to support carrying forward the IMA Measurement log and and update the setup_dtb call to add the linux, ima-kexec-buffer " kernel test robot
2020-07-20 15:23 ` [PATCH V3 6/6] Add the property used for carrying forward the IMA measurement logs and update the code to use the defined property string Prakhar Srivastava
2020-07-20 15:34 ` Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200720152342.337990-6-prsriva@linux.microsoft.com \
--to=prsriva@linux.microsoft.com \
--cc=allison@lohutok.net \
--cc=balajib@linux.microsoft.com \
--cc=bauerman@linux.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=bhsharma@redhat.com \
--cc=catalin.marinas@arm.com \
--cc=christophe.leroy@c-s.fr \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.kasatkin@gmail.com \
--cc=frowand.list@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=hsinyi@chromium.org \
--cc=james.morse@arm.com \
--cc=jmorris@namei.org \
--cc=kstewart@linuxfoundation.org \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=masahiroy@kernel.org \
--cc=mbrugger@suse.com \
--cc=mpe@ellerman.id.au \
--cc=nramas@linux.microsoft.com \
--cc=pasha.tatashin@soleen.com \
--cc=paulus@samba.org \
--cc=robh+dt@kernel.org \
--cc=robh@kernel.org \
--cc=serge@hallyn.com \
--cc=takahiro.akashi@linaro.org \
--cc=tao.li@vivo.com \
--cc=tglx@linutronix.de \
--cc=tusharsu@linux.microsoft.com \
--cc=vincenzo.frascino@arm.com \
--cc=will@kernel.org \
--cc=zohar@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.