Re: [PATCH v14 2/6] powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c

Thiago Jung Bauermann
2021-01-13T02:16:36Z

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/Kconfig | 2 +-
> 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 | 240 +++++++++++++++++++++++++++++
> include/linux/of.h | 2 +
> security/integrity/ima/ima.h | 4 -
> security/integrity/ima/ima_kexec.c | 1 +
> 9 files changed, 244 insertions(+), 248 deletions(-)
> delete mode 100644 arch/powerpc/include/asm/ima.h
> delete mode 100644 arch/powerpc/kexec/ima.c

Reviewed-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>

--
Thiago Jung Bauermann
IBM Linux Technology Center