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authorJohn Crispin <john@openwrt.org>2015-02-13 07:42:13 +0000
committerJohn Crispin <john@openwrt.org>2015-02-13 07:42:13 +0000
commitcd96421b19a4c9dd058cee724cc5b4fe5f0d74db (patch)
tree13507db4b81aeaf396a52aa6a709627c312dee08 /package
parent15cc0550c78b71c50f1b3a04d2fce68e8425456a (diff)
downloadmtk-20170518-cd96421b19a4c9dd058cee724cc5b4fe5f0d74db.zip
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kexec-tools: bump version from v2.0.4 to v2.0.9.
- kexec-tools is now distributed with tarballs of .tar.gz and .tar.xz format; .tar.bz2 are not provided anymore. - Add CONFIG_KEXEC_LZMA for selecting lzma support. Patches are updated along to: - Remove the now unnecessary patch 0004-mips_regdefs.patch. - Drop 100-reduce_size.patch because the size reduction is marginal. - Allow zlib and lzma support coexist together. This patch has been merged into upstream project. - Fix kexec-tools' configure.ac. - Fix a few compilation warnings. Size comparison of stripped binaries of kexec malta target with both zlib and lzma support enabled. - Before: 41447 - After: 42583 Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com> SVN-Revision: 44437
Diffstat (limited to 'package')
-rw-r--r--package/boot/kexec-tools/Config.in5
-rw-r--r--package/boot/kexec-tools/Makefile12
-rw-r--r--package/boot/kexec-tools/patches/0001-Fix-zlib-lzma-decompression.patch171
-rw-r--r--package/boot/kexec-tools/patches/0002-configure.ac-apply-necessary-quotes-to-result-of-mac.patch52
-rw-r--r--package/boot/kexec-tools/patches/0003-mips-fix-compiler-warning-on-printing-64-bit-integer.patch35
-rw-r--r--package/boot/kexec-tools/patches/0004-mips-remove-unused-variable.patch30
-rw-r--r--package/boot/kexec-tools/patches/0004-mips_regdefs.patch103
-rw-r--r--package/boot/kexec-tools/patches/0005-mips-fix-warning-about-implicit-type-conversion.patch30
-rw-r--r--package/boot/kexec-tools/patches/100-reduce_size.patch36
9 files changed, 329 insertions, 145 deletions
diff --git a/package/boot/kexec-tools/Config.in b/package/boot/kexec-tools/Config.in
index 2642171..6c7558f 100644
--- a/package/boot/kexec-tools/Config.in
+++ b/package/boot/kexec-tools/Config.in
@@ -23,4 +23,9 @@ config KEXEC_ZLIB
prompt "zlib support"
default y
+config KEXEC_LZMA
+ bool
+ prompt "lzma support"
+ default n
+
endmenu
diff --git a/package/boot/kexec-tools/Makefile b/package/boot/kexec-tools/Makefile
index e884661..e5d4b4b 100644
--- a/package/boot/kexec-tools/Makefile
+++ b/package/boot/kexec-tools/Makefile
@@ -8,23 +8,23 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=kexec-tools
-PKG_VERSION:=2.0.4
+PKG_VERSION:=2.0.9
PKG_RELEASE:=1
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=@KERNEL/linux/utils/kernel/kexec
-PKG_MD5SUM:=05992bc8c0673fc55be7b6d27e48a8db
+PKG_MD5SUM:=6681319934e22e74c532bd392ccb1bbb
PKG_FIXUP:=autoreconf
-PKG_CONFIG_DEPENDS := CONFIG_KEXEC_ZLIB
+PKG_CONFIG_DEPENDS := CONFIG_KEXEC_ZLIB CONFIG_KEXEC_LZMA
include $(INCLUDE_DIR)/package.mk
define Package/kexec-tools
SECTION:=utils
CATEGORY:=Utilities
- DEPENDS:=@KERNEL_KEXEC @armeb||@arm||@i386||@powerpc64||@mipsel||@mips +KEXEC_ZLIB:zlib
+ DEPENDS:=@KERNEL_KEXEC @armeb||@arm||@i386||@powerpc64||@mipsel||@mips +KEXEC_ZLIB:zlib +KEXEC_LZMA:liblzma
TITLE:=Kernel boots kernel
URL:=http://kernel.org/pub/linux/kernel/people/horms/kexec-tools/
MAINTAINER:=Florian Fainelli <florian@openwrt.org>
@@ -55,7 +55,7 @@ CONFIGURE_ARGS = \
--libexecdir=/usr/lib \
--sysconfdir=/etc \
$(if $(CONFIG_KEXEC_ZLIB),--with,--without)-zlib \
- --without-lzma
+ $(if $(CONFIG_KEXEC_LZMA),--with,--without)-lzma
TARGET_CFLAGS += -ffunction-sections -fdata-sections
TARGET_LDFLAGS += -Wl,--gc-sections
diff --git a/package/boot/kexec-tools/patches/0001-Fix-zlib-lzma-decompression.patch b/package/boot/kexec-tools/patches/0001-Fix-zlib-lzma-decompression.patch
new file mode 100644
index 0000000..06c11ec
--- /dev/null
+++ b/package/boot/kexec-tools/patches/0001-Fix-zlib-lzma-decompression.patch
@@ -0,0 +1,171 @@
+From d606837b56d46eb7f815b5d85f07fcc3f1555d00 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <yszhou4tech@gmail.com>
+Date: Sun, 1 Feb 2015 00:10:07 +0800
+Subject: [PATCH 1/5] Fix zlib/lzma decompression.
+
+Let {zlib,lzma}_decompress_file() return NULL if anything wrong happened
+to allow the other method to have a chance to run.
+
+Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
+Signed-off-by: Simon Horman <horms@verge.net.au>
+---
+ kexec/lzma.c | 33 ++++++++++++++++++++++-----------
+ kexec/zlib.c | 57 +++++++++++++++++++++++++++++++++++----------------------
+ 2 files changed, 57 insertions(+), 33 deletions(-)
+
+diff --git a/kexec/lzma.c b/kexec/lzma.c
+index 939aeb3..5bfccb7 100644
+--- a/kexec/lzma.c
++++ b/kexec/lzma.c
+@@ -162,13 +162,16 @@ char *lzma_decompress_file(const char *filename, off_t *r_size)
+ off_t size, allocated;
+ ssize_t result;
+
+- if (!filename) {
+- *r_size = 0;
+- return 0;
+- }
++ dbgprintf("Try LZMA decompression.\n");
++
++ *r_size = 0;
++ if (!filename)
++ return NULL;
++
+ fp = lzopen(filename, "rb");
+ if (fp == 0) {
+- die("Cannot open `%s'\n", filename);
++ dbgprintf("Cannot open `%s'\n", filename);
++ return NULL;
+ }
+ size = 0;
+ allocated = 65536;
+@@ -183,17 +186,25 @@ char *lzma_decompress_file(const char *filename, off_t *r_size)
+ if ((errno == EINTR) || (errno == EAGAIN))
+ continue;
+
+- die ("read on %s of %ld bytes failed\n",
+- filename, (allocated - size) + 0UL);
++ dbgprintf("%s: read on %s of %ld bytes failed\n",
++ __func__, filename, (allocated - size) + 0UL);
++ break;
+ }
+ size += result;
+- } while(result > 0);
+- result = lzclose(fp);
+- if (result != LZMA_OK) {
+- die ("Close of %s failed\n", filename);
++ } while (result > 0);
++
++ if (lzclose(fp) != LZMA_OK) {
++ dbgprintf("%s: Close of %s failed\n", __func__, filename);
++ goto fail;
+ }
++ if (result < 0)
++ goto fail;
++
+ *r_size = size;
+ return buf;
++fail:
++ free(buf);
++ return NULL;
+ }
+ #else
+ char *lzma_decompress_file(const char *UNUSED(filename), off_t *UNUSED(r_size))
+diff --git a/kexec/zlib.c b/kexec/zlib.c
+index d44df12..7170ac3 100644
+--- a/kexec/zlib.c
++++ b/kexec/zlib.c
+@@ -15,29 +15,39 @@
+ #include <ctype.h>
+ #include <zlib.h>
+
++static void _gzerror(gzFile fp, int *errnum, const char **errmsg)
++{
++ *errmsg = gzerror(fp, errnum);
++ if (*errnum == Z_ERRNO) {
++ *errmsg = strerror(*errnum);
++ }
++}
++
+ char *zlib_decompress_file(const char *filename, off_t *r_size)
+ {
+ gzFile fp;
+ int errnum;
+ const char *msg;
+ char *buf;
+- off_t size, allocated;
++ off_t size = 0, allocated;
+ ssize_t result;
+
++ dbgprintf("Try gzip decompression.\n");
++
++ *r_size = 0;
+ if (!filename) {
+- *r_size = 0;
+- return 0;
++ return NULL;
+ }
+ fp = gzopen(filename, "rb");
+ if (fp == 0) {
+- msg = gzerror(fp, &errnum);
+- if (errnum == Z_ERRNO) {
+- msg = strerror(errno);
+- }
+- fprintf(stderr, "Cannot open `%s': %s\n", filename, msg);
++ _gzerror(fp, &errnum, &msg);
++ dbgprintf("Cannot open `%s': %s\n", filename, msg);
++ return NULL;
++ }
++ if (gzdirect(fp)) {
++ /* It's not in gzip format */
+ return NULL;
+ }
+- size = 0;
+ allocated = 65536;
+ buf = xmalloc(allocated);
+ do {
+@@ -49,25 +59,28 @@ char *zlib_decompress_file(const char *filename, off_t *r_size)
+ if (result < 0) {
+ if ((errno == EINTR) || (errno == EAGAIN))
+ continue;
+-
+- msg = gzerror(fp, &errnum);
+- if (errnum == Z_ERRNO) {
+- msg = strerror(errno);
+- }
+- die ("read on %s of %ld bytes failed: %s\n",
+- filename, (allocated - size) + 0UL, msg);
++ _gzerror(fp, &errnum, &msg);
++ dbgprintf("Read on %s of %ld bytes failed: %s\n",
++ filename, (allocated - size) + 0UL, msg);
++ size = 0;
++ goto fail;
+ }
+ size += result;
+ } while(result > 0);
++
++fail:
+ result = gzclose(fp);
+ if (result != Z_OK) {
+- msg = gzerror(fp, &errnum);
+- if (errnum == Z_ERRNO) {
+- msg = strerror(errno);
+- }
+- die ("Close of %s failed: %s\n", filename, msg);
++ _gzerror(fp, &errnum, &msg);
++ dbgprintf(" Close of %s failed: %s\n", filename, msg);
++ }
++
++ if (size > 0) {
++ *r_size = size;
++ } else {
++ free(buf);
++ buf = NULL;
+ }
+- *r_size = size;
+ return buf;
+ }
+ #else
+--
+1.7.10.4
+
diff --git a/package/boot/kexec-tools/patches/0002-configure.ac-apply-necessary-quotes-to-result-of-mac.patch b/package/boot/kexec-tools/patches/0002-configure.ac-apply-necessary-quotes-to-result-of-mac.patch
new file mode 100644
index 0000000..aba8af7
--- /dev/null
+++ b/package/boot/kexec-tools/patches/0002-configure.ac-apply-necessary-quotes-to-result-of-mac.patch
@@ -0,0 +1,52 @@
+From eb20884c9bbc42bdf1ccace4444f3ce72657d7d8 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <yszhou4tech@gmail.com>
+Date: Tue, 9 Sep 2014 20:15:16 +0800
+Subject: [PATCH 2/5] configure.ac: apply necessary quotes to result of macro
+ expansion.
+
+This can fix the following error when searching for lzma support and
+while at it also apply the practice to other uses of the same pattern.
+
+ checking for lzma_code in -llzma... ./configure: line 4756: ac_fn_c_try_link: command not found
+
+Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
+---
+ configure.ac | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index db93331..c410e90 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -152,22 +152,22 @@ AC_CHECK_PROG([DIRNAME], dirname, dirname, "no", [$PATH])
+ dnl See if I have a usable copy of zlib available
+ if test "$with_zlib" = yes ; then
+ AC_CHECK_HEADER(zlib.h,
+- AC_CHECK_LIB(z, inflateInit_, ,
+- AC_MSG_NOTICE([zlib support disabled])))
++ [AC_CHECK_LIB(z, inflateInit_, ,
++ AC_MSG_NOTICE([zlib support disabled]))])
+ fi
+
+ dnl See if I have a usable copy of lzma available
+ if test "$with_lzma" = yes ; then
+ AC_CHECK_HEADER(lzma.h,
+- AC_CHECK_LIB(lzma, lzma_code, ,
+- AC_MSG_NOTICE([lzma support disabled])))
++ [AC_CHECK_LIB(lzma, lzma_code, ,
++ AC_MSG_NOTICE([lzma support disabled]))])
+ fi
+
+ dnl find Xen control stack libraries
+ if test "$with_xen" = yes ; then
+ AC_CHECK_HEADER(xenctrl.h,
+- AC_CHECK_LIB(xenctrl, xc_kexec_load, ,
+- AC_MSG_NOTICE([Xen support disabled])))
++ [AC_CHECK_LIB(xenctrl, xc_kexec_load, ,
++ AC_MSG_NOTICE([Xen support disabled]))])
+ fi
+
+ dnl ---Sanity checks
+--
+1.7.10.4
+
diff --git a/package/boot/kexec-tools/patches/0003-mips-fix-compiler-warning-on-printing-64-bit-integer.patch b/package/boot/kexec-tools/patches/0003-mips-fix-compiler-warning-on-printing-64-bit-integer.patch
new file mode 100644
index 0000000..f4762e9
--- /dev/null
+++ b/package/boot/kexec-tools/patches/0003-mips-fix-compiler-warning-on-printing-64-bit-integer.patch
@@ -0,0 +1,35 @@
+From 89d455d785190203b1d3a8766c8babb8c1688fc3 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <yszhou4tech@gmail.com>
+Date: Mon, 9 Feb 2015 19:51:25 +0800
+Subject: [PATCH 3/5] mips: fix compiler warning on printing 64-bit integer.
+
+
+Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
+---
+ kexec/arch/mips/crashdump-mips.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/kexec/arch/mips/crashdump-mips.c b/kexec/arch/mips/crashdump-mips.c
+index e7840e0..98c9f7c 100644
+--- a/kexec/arch/mips/crashdump-mips.c
++++ b/kexec/arch/mips/crashdump-mips.c
+@@ -22,6 +22,7 @@
+ #include <stdlib.h>
+ #include <errno.h>
+ #include <limits.h>
++#include <inttypes.h>
+ #include <elf.h>
+ #include <sys/types.h>
+ #include <sys/stat.h>
+@@ -52,7 +53,7 @@ static int get_kernel_paddr(struct crash_elf_info *elf_info)
+
+ if (parse_iomem_single("Kernel code\n", &start, NULL) == 0) {
+ elf_info->kern_paddr_start = start;
+- dbgprintf("kernel load physical addr start = 0x%lx\n", start);
++ dbgprintf("kernel load physical addr start = 0x%" PRIu64 "\n", start);
+ return 0;
+ }
+
+--
+1.7.10.4
+
diff --git a/package/boot/kexec-tools/patches/0004-mips-remove-unused-variable.patch b/package/boot/kexec-tools/patches/0004-mips-remove-unused-variable.patch
new file mode 100644
index 0000000..8626c41
--- /dev/null
+++ b/package/boot/kexec-tools/patches/0004-mips-remove-unused-variable.patch
@@ -0,0 +1,30 @@
+From 904e9ae892b0592c916a013869e3be3d830e0155 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <yszhou4tech@gmail.com>
+Date: Mon, 9 Feb 2015 20:11:04 +0800
+Subject: [PATCH 4/5] mips: remove unused variable.
+
+Fixes the following compilation warning.
+
+ kexec/arch/mips/crashdump-mips.c:151:6: warning: unused variable 'i' [-Wunused-variable]
+
+Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
+---
+ kexec/arch/mips/crashdump-mips.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/kexec/arch/mips/crashdump-mips.c b/kexec/arch/mips/crashdump-mips.c
+index 98c9f7c..dc68cb4 100644
+--- a/kexec/arch/mips/crashdump-mips.c
++++ b/kexec/arch/mips/crashdump-mips.c
+@@ -148,7 +148,7 @@ static int exclude_crash_reserve_region(int *nr_ranges)
+ static int get_crash_memory_ranges(struct memory_range **range, int *ranges)
+ {
+ const char iomem[] = "/proc/iomem";
+- int i, memory_ranges = 0;
++ int memory_ranges = 0;
+ char line[MAX_LINE];
+ FILE *fp;
+ unsigned long long start, end;
+--
+1.7.10.4
+
diff --git a/package/boot/kexec-tools/patches/0004-mips_regdefs.patch b/package/boot/kexec-tools/patches/0004-mips_regdefs.patch
deleted file mode 100644
index 7e21349..0000000
--- a/package/boot/kexec-tools/patches/0004-mips_regdefs.patch
+++ /dev/null
@@ -1,103 +0,0 @@
---- /dev/null
-+++ b/kexec/arch/mips/regdef.h
-@@ -0,0 +1,100 @@
-+/*
-+ * This file is subject to the terms and conditions of the GNU General Public
-+ * License. See the file "COPYING" in the main directory of this archive
-+ * for more details.
-+ *
-+ * Copyright (C) 1985 MIPS Computer Systems, Inc.
-+ * Copyright (C) 1994, 95, 99, 2003 by Ralf Baechle
-+ * Copyright (C) 1990 - 1992, 1999 Silicon Graphics, Inc.
-+ */
-+#ifndef _ASM_REGDEF_H
-+#define _ASM_REGDEF_H
-+
-+#include <asm/sgidefs.h>
-+
-+#if _MIPS_SIM == _MIPS_SIM_ABI32
-+
-+/*
-+ * Symbolic register names for 32 bit ABI
-+ */
-+#define zero $0 /* wired zero */
-+#define AT $1 /* assembler temp - uppercase because of ".set at" */
-+#define v0 $2 /* return value */
-+#define v1 $3
-+#define a0 $4 /* argument registers */
-+#define a1 $5
-+#define a2 $6
-+#define a3 $7
-+#define t0 $8 /* caller saved */
-+#define t1 $9
-+#define t2 $10
-+#define t3 $11
-+#define t4 $12
-+#define t5 $13
-+#define t6 $14
-+#define t7 $15
-+#define s0 $16 /* callee saved */
-+#define s1 $17
-+#define s2 $18
-+#define s3 $19
-+#define s4 $20
-+#define s5 $21
-+#define s6 $22
-+#define s7 $23
-+#define t8 $24 /* caller saved */
-+#define t9 $25
-+#define jp $25 /* PIC jump register */
-+#define k0 $26 /* kernel scratch */
-+#define k1 $27
-+#define gp $28 /* global pointer */
-+#define sp $29 /* stack pointer */
-+#define fp $30 /* frame pointer */
-+#define s8 $30 /* same like fp! */
-+#define ra $31 /* return address */
-+
-+#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
-+
-+#if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32
-+
-+#define zero $0 /* wired zero */
-+#define AT $at /* assembler temp - uppercase because of ".set at" */
-+#define v0 $2 /* return value - caller saved */
-+#define v1 $3
-+#define a0 $4 /* argument registers */
-+#define a1 $5
-+#define a2 $6
-+#define a3 $7
-+#define a4 $8 /* arg reg 64 bit; caller saved in 32 bit */
-+#define ta0 $8
-+#define a5 $9
-+#define ta1 $9
-+#define a6 $10
-+#define ta2 $10
-+#define a7 $11
-+#define ta3 $11
-+#define t0 $12 /* caller saved */
-+#define t1 $13
-+#define t2 $14
-+#define t3 $15
-+#define s0 $16 /* callee saved */
-+#define s1 $17
-+#define s2 $18
-+#define s3 $19
-+#define s4 $20
-+#define s5 $21
-+#define s6 $22
-+#define s7 $23
-+#define t8 $24 /* caller saved */
-+#define t9 $25 /* callee address for PIC/temp */
-+#define jp $25 /* PIC jump register */
-+#define k0 $26 /* kernel temporary */
-+#define k1 $27
-+#define gp $28 /* global pointer - caller saved for PIC */
-+#define sp $29 /* stack pointer */
-+#define fp $30 /* frame pointer */
-+#define s8 $30 /* callee saved */
-+#define ra $31 /* return address */
-+
-+#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPS_SIM == _MIPS_SIM_NABI32 */
-+
-+#endif /* _ASM_REGDEF_H */
diff --git a/package/boot/kexec-tools/patches/0005-mips-fix-warning-about-implicit-type-conversion.patch b/package/boot/kexec-tools/patches/0005-mips-fix-warning-about-implicit-type-conversion.patch
new file mode 100644
index 0000000..008a62d
--- /dev/null
+++ b/package/boot/kexec-tools/patches/0005-mips-fix-warning-about-implicit-type-conversion.patch
@@ -0,0 +1,30 @@
+From 00e75179b3b4b80e6e58d29a2bd948f97682fd00 Mon Sep 17 00:00:00 2001
+From: Yousong Zhou <yszhou4tech@gmail.com>
+Date: Mon, 9 Feb 2015 20:28:14 +0800
+Subject: [PATCH 5/5] mips: fix warning about implicit type conversion.
+
+Fixes the following warning.
+
+ kexec/arch/mips/kexec-elf-mips.c:161:16: warning: assignment makes integer from pointer without a cast [enabled by default]
+
+Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
+---
+ kexec/arch/mips/kexec-elf-mips.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/kexec/arch/mips/kexec-elf-mips.c b/kexec/arch/mips/kexec-elf-mips.c
+index a27d986..8a6419a 100644
+--- a/kexec/arch/mips/kexec-elf-mips.c
++++ b/kexec/arch/mips/kexec-elf-mips.c
+@@ -158,7 +158,7 @@ int elf_mips_load(int argc, char **argv, const char *buf, off_t len,
+ if (info->kexec_flags & KEXEC_ON_CRASH)
+ /* In case of crashdump segment[0] is kernel.
+ * Put cmdline just after it. */
+- cmdline_addr = info->segment[0].mem +
++ cmdline_addr = (unsigned long)info->segment[0].mem +
+ info->segment[0].memsz;
+ else
+ cmdline_addr = 0;
+--
+1.7.10.4
+
diff --git a/package/boot/kexec-tools/patches/100-reduce_size.patch b/package/boot/kexec-tools/patches/100-reduce_size.patch
deleted file mode 100644
index eafca7b..0000000
--- a/package/boot/kexec-tools/patches/100-reduce_size.patch
+++ /dev/null
@@ -1,36 +0,0 @@
---- a/kexec/crashdump-xen.c
-+++ b/kexec/crashdump-xen.c
-@@ -111,6 +111,7 @@ static int xen_detect_pv_guest(void)
- * This includes dom0, which is the only PV guest where kexec/kdump works.
- * HVM guests have to be handled as native hardware.
- */
-+#if defined(__i386__) || defined(__x86_64__)
- int xen_present(void)
- {
- if (!is_dom0) {
-@@ -121,6 +122,7 @@ int xen_present(void)
- }
- return is_dom0 > 0;
- }
-+#endif
-
- unsigned long xen_architecture(struct crash_elf_info *elf_info)
- {
---- a/kexec/crashdump.h
-+++ b/kexec/crashdump.h
-@@ -56,7 +56,15 @@ unsigned long crash_architecture(struct
- unsigned long phys_to_virt(struct crash_elf_info *elf_info,
- unsigned long paddr);
-
-+#if defined(__i386__) || defined(__x86_64__)
- int xen_present(void);
-+#else
-+static inline int xen_present(void)
-+{
-+ return 0;
-+}
-+#endif
-+
- unsigned long xen_architecture(struct crash_elf_info *elf_info);
- int xen_get_nr_phys_cpus(void);
- int xen_get_note(int cpu, uint64_t *addr, uint64_t *len);