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Subject[PATCH v2 2/5] ia64: reuse append_elf_note() and final_note() functions
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Get rid of multiple definitions of append_elf_note() & final_note()
functions. Reuse these functions compiled under CONFIG_CRASH_CORE.

Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
---
arch/ia64/kernel/crash.c | 22 ----------------------
include/linux/crash_core.h | 4 ++++
kernel/crash_core.c | 6 +++---
kernel/kexec_core.c | 28 ----------------------------
4 files changed, 7 insertions(+), 53 deletions(-)

diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index 2955f35..75859a0 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -27,28 +27,6 @@ static int kdump_freeze_monarch;
static int kdump_on_init = 1;
static int kdump_on_fatal_mca = 1;

-static inline Elf64_Word
-*append_elf_note(Elf64_Word *buf, char *name, unsigned type, void *data,
- size_t data_len)
-{
- struct elf_note *note = (struct elf_note *)buf;
- note->n_namesz = strlen(name) + 1;
- note->n_descsz = data_len;
- note->n_type = type;
- buf += (sizeof(*note) + 3)/4;
- memcpy(buf, name, note->n_namesz);
- buf += (note->n_namesz + 3)/4;
- memcpy(buf, data, data_len);
- buf += (data_len + 3)/4;
- return buf;
-}
-
-static void
-final_note(void *buf)
-{
- memset(buf, 0, sizeof(struct elf_note));
-}
-
extern void ia64_dump_cpu_regs(void *);

static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus);
diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h
index 9a4f4b0..2ae20b1 100644
--- a/include/linux/crash_core.h
+++ b/include/linux/crash_core.h
@@ -61,6 +61,10 @@ extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4];
extern size_t vmcoreinfo_size;
extern size_t vmcoreinfo_max_size;

+u32 *append_elf_note(u32 *buf, char *name, unsigned int type,
+ void *data, size_t data_len);
+void final_note(u32 *buf);
+
int __init parse_crashkernel(char *cmdline, unsigned long long system_ram,
unsigned long long *crash_size, unsigned long long *crash_base);
int parse_crashkernel_high(char *cmdline, unsigned long long system_ram,
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 60a98fc..9223976 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -291,8 +291,8 @@ int __init parse_crashkernel_low(char *cmdline,
"crashkernel=", suffix_tbl[SUFFIX_LOW]);
}

-static u32 *append_elf_note(u32 *buf, char *name, unsigned int type,
- void *data, size_t data_len)
+u32 *append_elf_note(u32 *buf, char *name, unsigned int type,
+ void *data, size_t data_len)
{
struct elf_note note;

@@ -309,7 +309,7 @@ static u32 *append_elf_note(u32 *buf, char *name, unsigned int type,
return buf;
}

-static void final_note(u32 *buf)
+void final_note(u32 *buf)
{
struct elf_note note;

diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
index 3aa21f3..596cb32 100644
--- a/kernel/kexec_core.c
+++ b/kernel/kexec_core.c
@@ -988,34 +988,6 @@ int crash_shrink_memory(unsigned long new_size)
return ret;
}

-static u32 *append_elf_note(u32 *buf, char *name, unsigned type, void *data,
- size_t data_len)
-{
- struct elf_note note;
-
- note.n_namesz = strlen(name) + 1;
- note.n_descsz = data_len;
- note.n_type = type;
- memcpy(buf, &note, sizeof(note));
- buf += (sizeof(note) + 3)/4;
- memcpy(buf, name, note.n_namesz);
- buf += (note.n_namesz + 3)/4;
- memcpy(buf, data, note.n_descsz);
- buf += (note.n_descsz + 3)/4;
-
- return buf;
-}
-
-static void final_note(u32 *buf)
-{
- struct elf_note note;
-
- note.n_namesz = 0;
- note.n_descsz = 0;
- note.n_type = 0;
- memcpy(buf, &note, sizeof(note));
-}
-
void crash_save_cpu(struct pt_regs *regs, int cpu)
{
struct elf_prstatus prstatus;
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