Message ID | 20201113192243.1993-2-nramas@linux.microsoft.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Carry forward IMA measurement log on kexec on ARM64 | expand |
Hi Lakshmi, On Fri, 2020-11-13 at 11:22 -0800, Lakshmi Ramasubramanian wrote: > The function prototype for the functions defined in ima.c for powerpc > are given in the header file ima.h. But this header file is not > included in ima.c resulting in compilation errors such as given below. > > arch/powerpc/kexec/ima.c:56:5: error: no previous prototype for 'ima_get_kexec_buffer' [-Werror=missing-prototypes] > 56 | int ima_get_kexec_buffer(void **addr, size_t *size) > | ^~~~~~~~~~~~~~~~~~~~ > > The function parameters for remove_ima_buffer() and > arch_ima_add_kexec_buffer() are not described in the function header > resulting in warnings such as given below. > > arch/powerpc/kexec/ima.c:111: warning: Function parameter or member 'fdt' not described in 'remove_ima_buffer' > > Include ima.h in ima.c for powerpc. Describe the function parameters for > remove_ima_buffer() and arch_ima_add_kexec_buffer(). > > 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> thanks, Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
diff --git a/arch/powerpc/kexec/ima.c b/arch/powerpc/kexec/ima.c index 720e50e490b6..a36c39db4b1a 100644 --- a/arch/powerpc/kexec/ima.c +++ b/arch/powerpc/kexec/ima.c @@ -11,6 +11,7 @@ #include <linux/of.h> #include <linux/memblock.h> #include <linux/libfdt.h> +#include <asm/ima.h> static int get_addr_size_cells(int *addr_cells, int *size_cells) { @@ -103,6 +104,9 @@ int ima_free_kexec_buffer(void) /** * remove_ima_buffer - remove the IMA buffer property and reservation from @fdt * + * @fdt: Flattened Device Tree to update + * @chosen_node: Offset to the chosen node in the device tree + * * The IMA measurement buffer is of no use to a subsequent kernel, so we always * remove it from the device tree. */ @@ -131,6 +135,10 @@ void remove_ima_buffer(void *fdt, int chosen_node) /** * arch_ima_add_kexec_buffer - do arch-specific steps to add the IMA buffer * + * @image: kimage struct to set IMA buffer data + * @load_addr: Starting address where IMA buffer is loaded at + * @size: Number of bytes in the IMA buffer + * * Architectures should use this function to pass on the IMA buffer * information to the next kernel. *