From: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
To: zohar@linux.ibm.com, bauerman@linux.ibm.com, robh@kernel.org,
takahiro.akashi@linaro.org, gregkh@linuxfoundation.org,
will@kernel.org, catalin.marinas@arm.com, mpe@ellerman.id.au
Cc: 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,
linuxppc-dev@vger.kernel.org
Subject: [PATCH v14 4/6] powerpc: Delete unused functions
Date: Mon, 4 Jan 2021 11:26:00 -0800 [thread overview]
Message-ID: <20210104192602.10131-5-nramas@linux.microsoft.com> (raw)
In-Reply-To: <20210104192602.10131-1-nramas@linux.microsoft.com>
delete_fdt_mem_rsv() defined in "arch/powerpc/kexec/file_load.c"
has been renamed to fdt_find_and_del_mem_rsv(), and moved to
"drivers/of/kexec.c".
Remove delete_fdt_mem_rsv() in "arch/powerpc/kexec/file_load.c".
Call of_kexec_setup_new_fdt() from setup_new_fdt_ppc64() and
remove setup_new_fdt() in "arch/powerpc/kexec/file_load.c".
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/kexec.h | 4 ---
arch/powerpc/kexec/file_load.c | 60 -------------------------------
arch/powerpc/kexec/file_load_64.c | 4 ++-
3 files changed, 3 insertions(+), 65 deletions(-)
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index dbf09d2f36d0..b8c270e08481 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -123,10 +123,6 @@ char *setup_kdump_cmdline(struct kimage *image, char *cmdline,
int setup_purgatory(struct kimage *image, const void *slave_code,
const void *fdt, unsigned long kernel_load_addr,
unsigned long fdt_load_addr);
-int setup_new_fdt(const struct kimage *image, void *fdt,
- unsigned long initrd_load_addr, unsigned long initrd_len,
- const char *cmdline);
-int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size);
#ifdef CONFIG_PPC64
struct kexec_buf;
diff --git a/arch/powerpc/kexec/file_load.c b/arch/powerpc/kexec/file_load.c
index 9f3ec0b239ef..036c8fb48fc3 100644
--- a/arch/powerpc/kexec/file_load.c
+++ b/arch/powerpc/kexec/file_load.c
@@ -108,63 +108,3 @@ int setup_purgatory(struct kimage *image, const void *slave_code,
return 0;
}
-
-/**
- * delete_fdt_mem_rsv - delete memory reservation with given address and size
- *
- * Return: 0 on success, or negative errno on error.
- */
-int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size)
-{
- int i, ret, num_rsvs = fdt_num_mem_rsv(fdt);
-
- for (i = 0; i < num_rsvs; i++) {
- uint64_t rsv_start, rsv_size;
-
- ret = fdt_get_mem_rsv(fdt, i, &rsv_start, &rsv_size);
- if (ret) {
- pr_err("Malformed device tree.\n");
- return -EINVAL;
- }
-
- if (rsv_start == start && rsv_size == size) {
- ret = fdt_del_mem_rsv(fdt, i);
- if (ret) {
- pr_err("Error deleting device tree reservation.\n");
- return -EINVAL;
- }
-
- return 0;
- }
- }
-
- return -ENOENT;
-}
-
-/*
- * setup_new_fdt - modify /chosen and memory reservation for the next kernel
- * @image: kexec image being loaded.
- * @fdt: Flattened device tree for the next kernel.
- * @initrd_load_addr: Address where the next initrd will be loaded.
- * @initrd_len: Size of the next initrd, or 0 if there will be none.
- * @cmdline: Command line for the next kernel, or NULL if there will
- * be none.
- *
- * Return: 0 on success, or negative errno on error.
- */
-int setup_new_fdt(const struct kimage *image, void *fdt,
- unsigned long initrd_load_addr, unsigned long initrd_len,
- const char *cmdline)
-{
- int ret;
-
- ret = of_kexec_setup_new_fdt(image, fdt, initrd_load_addr, initrd_len, cmdline);
- if (ret)
- goto err;
-
- return 0;
-
-err:
- pr_err("Error setting up the new device tree.\n");
- return -EINVAL;
-}
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index a05c19b3cc60..3cab318aa3b9 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/arch/powerpc/kexec/file_load_64.c
@@ -17,6 +17,7 @@
#include <linux/kexec.h>
#include <linux/of_fdt.h>
#include <linux/libfdt.h>
+#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/memblock.h>
#include <linux/slab.h>
@@ -944,7 +945,8 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
struct crash_mem *umem = NULL, *rmem = NULL;
int i, nr_ranges, ret;
- ret = setup_new_fdt(image, fdt, initrd_load_addr, initrd_len, cmdline);
+ ret = of_kexec_setup_new_fdt(image, fdt, initrd_load_addr, initrd_len,
+ cmdline);
if (ret)
goto out;
--
2.29.2
next prev parent reply other threads:[~2021-01-04 19:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-04 19:25 [PATCH v14 0/6] Carry forward IMA measurement log on kexec on ARM64 Lakshmi Ramasubramanian
2021-01-04 19:25 ` [PATCH v14 1/6] ima: Move arch_ima_add_kexec_buffer() to ima Lakshmi Ramasubramanian
2021-01-04 19:25 ` [PATCH v14 2/6] powerpc: Move arch independent ima kexec functions to drivers/of/kexec.c Lakshmi Ramasubramanian
2021-01-13 2:14 ` Thiago Jung Bauermann
2021-01-04 19:25 ` [PATCH v14 3/6] kexec: Use fdt_appendprop_addrrange() to add ima buffer to FDT Lakshmi Ramasubramanian
2021-01-04 19:26 ` Lakshmi Ramasubramanian [this message]
2021-01-12 23:30 ` [PATCH v14 4/6] powerpc: Delete unused functions Mimi Zohar
2021-01-12 23:57 ` Lakshmi Ramasubramanian
2021-01-13 2:15 ` Thiago Jung Bauermann
2021-01-04 19:26 ` [PATCH v14 5/6] arm64: Free DTB buffer if fdt_open_into() fails Lakshmi Ramasubramanian
2021-01-04 19:26 ` [PATCH v14 6/6] arm64: Add IMA log information in kimage used for kexec Lakshmi Ramasubramanian
2021-01-12 23:28 ` Mimi Zohar
2021-01-12 23:54 ` Lakshmi Ramasubramanian
2021-01-13 2:16 ` Thiago Jung Bauermann
2021-01-12 14:42 ` [PATCH v14 0/6] Carry forward IMA measurement log on kexec on ARM64 Rob Herring
2021-01-12 18:05 ` Mimi Zohar
2021-01-12 18:24 ` Lakshmi Ramasubramanian
2021-01-12 18:45 ` Thiago Jung Bauermann
2021-01-12 18:23 ` Lakshmi Ramasubramanian
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