Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753728AbcKYLyZ (ORCPT ); Fri, 25 Nov 2016 06:54:25 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:51223 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753520AbcKYLyO (ORCPT ); Fri, 25 Nov 2016 06:54:14 -0500 Subject: [PATCH v2 2/5] ia64: reuse append_elf_note() and final_note() functions From: Hari Bathini To: linux-kernel@vger.kernel.org Cc: fenghua.yu@intel.com, tony.luck@intel.com, linux-ia64@vger.kernel.org, dyoung@redhat.com, kexec@lists.infradead.org, Mahesh J Salgaonkar , ebiederm@xmission.com, Michael Ellerman , linuxppc-dev@lists.ozlabs.org, vgoyal@redhat.com Date: Fri, 25 Nov 2016 17:24:03 +0530 In-Reply-To: <148007477669.1053.4107773905913128028.stgit@hbathini.in.ibm.com> References: <148007477669.1053.4107773905913128028.stgit@hbathini.in.ibm.com> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16112511-0040-0000-0000-000002CEF1A1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16112511-0041-0000-0000-00000BC478B4 Message-Id: <148007484315.1053.12317233313990302812.stgit@hbathini.in.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-25_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611250210 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3632 Lines: 122 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 --- 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, ¬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;