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Blame SOURCES/kvm-Define-the-architecture-for-compressed-dump-format.patch

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From da105287a0b61d57f015299cdf5211ba2e21a70f Mon Sep 17 00:00:00 2001
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From: Laszlo Ersek <lersek@redhat.com>
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Date: Fri, 7 Nov 2014 17:18:04 +0100
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Subject: [PATCH 17/41] Define the architecture for compressed dump format
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Message-id: <1415380693-16593-18-git-send-email-lersek@redhat.com>
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Patchwork-id: 62203
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O-Subject: [RHEL-7.1 qemu-kvm PATCH 17/26] Define the architecture for compressed dump format
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Bugzilla: 1157798
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
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RH-Acked-by: dgibson <dgibson@redhat.com>
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From: qiaonuohan <qiaonuohan@cn.fujitsu.com>
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Signed-off-by: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
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Reviewed-by: Laszlo Ersek <lersek@redhat.com>
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Reviewed-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com>
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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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(cherry picked from commit 4ab23a918249772458fd330758dc0fad96edce50)
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Signed-off-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 dump.c             | 7 +++++--
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 target-i386/cpu.h  | 2 ++
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 target-s390x/cpu.h | 1 +
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 3 files changed, 8 insertions(+), 2 deletions(-)
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diff --git a/dump.c b/dump.c
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index c0d5877..507a250 100644
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--- a/dump.c
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+++ b/dump.c
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@@ -32,6 +32,9 @@
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 #ifdef CONFIG_SNAPPY
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 #include <snappy-c.h>
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 #endif
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+#ifndef ELF_MACHINE_UNAME
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+#define ELF_MACHINE_UNAME "Unknown"
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+#endif
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 static uint16_t cpu_convert_to_target16(uint16_t val, int endian)
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 {
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@@ -823,7 +826,7 @@ static int create_header32(DumpState *s)
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     dh->nr_cpus = cpu_convert_to_target32(s->nr_cpus, endian);
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     bitmap_blocks = DIV_ROUND_UP(s->len_dump_bitmap, block_size) * 2;
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     dh->bitmap_blocks = cpu_convert_to_target32(bitmap_blocks, endian);
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-    memcpy(&(dh->utsname.machine), "i686", 4);
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+    strncpy(dh->utsname.machine, ELF_MACHINE_UNAME, sizeof(dh->utsname.machine));
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     if (s->flag_compress & DUMP_DH_COMPRESSED_ZLIB) {
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         status |= DUMP_DH_COMPRESSED_ZLIB;
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@@ -930,7 +933,7 @@ static int create_header64(DumpState *s)
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     dh->nr_cpus = cpu_convert_to_target32(s->nr_cpus, endian);
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     bitmap_blocks = DIV_ROUND_UP(s->len_dump_bitmap, block_size) * 2;
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     dh->bitmap_blocks = cpu_convert_to_target32(bitmap_blocks, endian);
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-    memcpy(&(dh->utsname.machine), "x86_64", 6);
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+    strncpy(dh->utsname.machine, ELF_MACHINE_UNAME, sizeof(dh->utsname.machine));
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     if (s->flag_compress & DUMP_DH_COMPRESSED_ZLIB) {
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         status |= DUMP_DH_COMPRESSED_ZLIB;
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diff --git a/target-i386/cpu.h b/target-i386/cpu.h
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index ad40aab..207645c 100644
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--- a/target-i386/cpu.h
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+++ b/target-i386/cpu.h
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@@ -38,8 +38,10 @@
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 #ifdef TARGET_X86_64
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 #define ELF_MACHINE     EM_X86_64
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+#define ELF_MACHINE_UNAME "x86_64"
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 #else
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 #define ELF_MACHINE     EM_386
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+#define ELF_MACHINE_UNAME "i686"
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 #endif
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 #define CPUArchState struct CPUX86State
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diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
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index 0ce82cf..4979e0e 100644
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--- a/target-s390x/cpu.h
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+++ b/target-s390x/cpu.h
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@@ -28,6 +28,7 @@
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 #define TARGET_LONG_BITS 64
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 #define ELF_MACHINE	EM_S390
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+#define ELF_MACHINE_UNAME "S390X"
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 #define CPUArchState struct CPUS390XState
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-- 
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1.8.3.1
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