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author | Hari Bathini <hbathini@linux.vnet.ibm.com> | 2017-05-08 15:56:21 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-08 17:15:11 -0700 |
commit | 51dbd92520d4344fef78481b1bcbc3a7de32b69b (patch) | |
tree | cc299f31730e340de10f3bb8fbf7bcc48471b319 /kernel/kexec_core.c | |
parent | 692f66f26a4c19d73249736aa973c13a1521b387 (diff) | |
download | lwn-51dbd92520d4344fef78481b1bcbc3a7de32b69b.tar.gz lwn-51dbd92520d4344fef78481b1bcbc3a7de32b69b.zip |
ia64: reuse append_elf_note() and final_note() functions
Get rid of multiple definitions of append_elf_note() & final_note()
functions. Reuse these functions compiled under CONFIG_CRASH_CORE Also,
define Elf_Word and use it instead of generic u32 or the more specific
Elf64_Word.
Link: http://lkml.kernel.org/r/149035342324.6881.11667840929850361402.stgit@hbathini.in.ibm.com
Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
Acked-by: Dave Young <dyoung@redhat.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kexec_core.c')
-rw-r--r-- | kernel/kexec_core.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c index 9dd722912850..ae1a3ba24df5 100644 --- a/kernel/kexec_core.c +++ b/kernel/kexec_core.c @@ -990,34 +990,6 @@ unlock: 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, ¬e, 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, ¬e, sizeof(note)); -} - void crash_save_cpu(struct pt_regs *regs, int cpu) { struct elf_prstatus prstatus; |