From: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
To: Thiago Jung Bauermann <bauerman@linux.ibm.com>
Cc: zohar@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org,
gregkh@linuxfoundation.org, will@kernel.org,
catalin.marinas@arm.com, mpe@ellerman.id.au, james.morse@arm.com,
sashal@kernel.org, benh@kernel.crashing.org, paulus@samba.org,
frowand.list@gmail.com, vincenzo.frascino@arm.com,
mark.rutland@arm.com, dmitry.kasatkin@gmail.com,
jmorris@namei.org, serge@hallyn.com, pasha.tatashin@soleen.com,
allison@lohutok.net, masahiroy@kernel.org, bhsharma@redhat.com,
mbrugger@suse.com, hsinyi@chromium.org, tao.li@vivo.com,
christophe.leroy@c-s.fr, prsriva@linux.microsoft.com,
balajib@linux.microsoft.com, linux-integrity@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v13 2/6] powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c
Date: Tue, 22 Dec 2020 21:01:52 -0800 [thread overview]
Message-ID: <6d7e0147-b5e4-d364-af7d-c089217e3fb0@linux.microsoft.com> (raw)
In-Reply-To: <87blell6g2.fsf@manicouagan.localdomain>
On 12/22/20 4:19 PM, Thiago Jung Bauermann wrote:
>
> Lakshmi Ramasubramanian <nramas@linux.microsoft.com> writes:
>
>> The functions defined in "arch/powerpc/kexec/ima.c" handle setting up
>> and freeing the resources required to carry over the IMA measurement
>> list from the current kernel to the next kernel across kexec system call.
>> These functions do not have architecture specific code, but are
>> currently limited to powerpc.
>>
>> Move setup_ima_buffer() call into of_kexec_setup_new_fdt() defined in
>> "drivers/of/kexec.c".
>>
>> Move the remaining architecture independent functions from
>> "arch/powerpc/kexec/ima.c" to "drivers/of/kexec.c".
>> Delete "arch/powerpc/kexec/ima.c" and "arch/powerpc/include/asm/ima.h".
>> Remove references to the deleted files in powerpc and in ima.
>>
>> Co-developed-by: Prakhar Srivastava <prsriva@linux.microsoft.com>
>> Signed-off-by: Prakhar Srivastava <prsriva@linux.microsoft.com>
>> Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
>> ---
>> arch/powerpc/include/asm/ima.h | 27 ----
>> arch/powerpc/kexec/Makefile | 7 -
>> arch/powerpc/kexec/file_load.c | 7 -
>> arch/powerpc/kexec/ima.c | 202 -------------------------
>> drivers/of/kexec.c | 235 +++++++++++++++++++++++++++++
>> include/linux/of.h | 2 +
>> security/integrity/ima/ima.h | 4 -
>> security/integrity/ima/ima_kexec.c | 1 +
>> 8 files changed, 238 insertions(+), 247 deletions(-)
>> delete mode 100644 arch/powerpc/include/asm/ima.h
>> delete mode 100644 arch/powerpc/kexec/ima.c
>
> This looks good, provided the changes from the discussion with Mimi are
> made. Also, minor nits below.
I will address the changes Mimi had stated.
>
>> diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h
>> index 6ebefec616e4..7c3947ad3773 100644
>> --- a/security/integrity/ima/ima.h
>> +++ b/security/integrity/ima/ima.h
>> @@ -24,10 +24,6 @@
>>
>> #include "../integrity.h"
>>
>> -#ifdef CONFIG_HAVE_IMA_KEXEC
>> -#include <asm/ima.h>
>> -#endif
>> -
>> enum ima_show_type { IMA_SHOW_BINARY, IMA_SHOW_BINARY_NO_FIELD_LEN,
>> IMA_SHOW_BINARY_OLD_STRING_FMT, IMA_SHOW_ASCII };
>> enum tpm_pcrs { TPM_PCR0 = 0, TPM_PCR8 = 8, TPM_PCR10 = 10 };
>
> This belongs in patch 1.
No - the reference to "asm/ima.h" cannot be removed in Patch #1 since
ima_get_kexec_buffer() and ima_free_kexec_buffer() are still declared in
this header. They are moved in this patch only (Patch #2).
>> diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c
>> index 38bcd7543e27..8a6712981dee 100644
>> --- a/security/integrity/ima/ima_kexec.c
>> +++ b/security/integrity/ima/ima_kexec.c
>> @@ -10,6 +10,7 @@
>> #include <linux/seq_file.h>
>> #include <linux/vmalloc.h>
>> #include <linux/kexec.h>
>> +#include <linux/of.h>
>> #include <linux/ima.h>
>> #include "ima.h"
>
> This include isn't necessary.
This change is necessary because ima_get_kexec_buffer() and
ima_free_kexec_buffer() are now declared in "linux/of.h".
-lakshmi
next prev parent reply other threads:[~2020-12-23 5:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-19 17:57 [PATCH v13 0/6] Carry forward IMA measurement log on kexec on ARM64 Lakshmi Ramasubramanian
2020-12-19 17:57 ` [PATCH v13 1/6] ima: Move arch_ima_add_kexec_buffer() to ima Lakshmi Ramasubramanian
2020-12-22 14:22 ` Mimi Zohar
2020-12-22 22:53 ` Thiago Jung Bauermann
2020-12-19 17:57 ` [PATCH v13 2/6] powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c Lakshmi Ramasubramanian
2020-12-22 14:26 ` Mimi Zohar
2020-12-22 18:53 ` Lakshmi Ramasubramanian
2020-12-22 19:45 ` Mimi Zohar
2020-12-22 21:02 ` Lakshmi Ramasubramanian
2020-12-23 0:40 ` Thiago Jung Bauermann
2020-12-23 5:03 ` Lakshmi Ramasubramanian
2020-12-23 0:19 ` Thiago Jung Bauermann
2020-12-23 5:01 ` Lakshmi Ramasubramanian [this message]
2020-12-23 17:57 ` Thiago Jung Bauermann
2020-12-23 0:48 ` Thiago Jung Bauermann
2020-12-23 4:56 ` Lakshmi Ramasubramanian
2020-12-31 22:28 ` Rob Herring
2020-12-19 17:57 ` [PATCH v13 3/6] kexec: Use fdt_appendprop_addrrange() to add ima buffer to FDT Lakshmi Ramasubramanian
2020-12-23 0:57 ` Thiago Jung Bauermann
2020-12-19 17:57 ` [PATCH v13 4/6] powerpc: Delete unused function delete_fdt_mem_rsv() Lakshmi Ramasubramanian
2020-12-23 1:08 ` Thiago Jung Bauermann
2020-12-23 5:09 ` Lakshmi Ramasubramanian
2020-12-19 17:57 ` [PATCH v13 5/6] arm64: Free DTB buffer if fdt_open_into() fails Lakshmi Ramasubramanian
2020-12-23 1:11 ` Thiago Jung Bauermann
2020-12-19 17:57 ` [PATCH v13 6/6] arm64: Add IMA log information in kimage used for kexec Lakshmi Ramasubramanian
2020-12-23 1:17 ` Thiago Jung Bauermann
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=6d7e0147-b5e4-d364-af7d-c089217e3fb0@linux.microsoft.com \
--to=nramas@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=linux-arm-kernel@lists.infradead.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=pasha.tatashin@soleen.com \
--cc=paulus@samba.org \
--cc=prsriva@linux.microsoft.com \
--cc=robh@kernel.org \
--cc=sashal@kernel.org \
--cc=serge@hallyn.com \
--cc=takahiro.akashi@linaro.org \
--cc=tao.li@vivo.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).