[OpenWrt-Devel] [PATCH 5/5] kexec-tools: bump version from v2.0.4 to v2.0.9.

Yousong Zhou yszhou4tech at gmail.com
Tue Feb 10 07:10:31 EST 2015


 - 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 at gmail.com>
---
 package/boot/kexec-tools/Config.in                 |    5 +
 package/boot/kexec-tools/Makefile                  |   12 +-
 .../patches/0001-Fix-zlib-lzma-decompression.patch |  171 ++++++++++++++++++++
 ...c-apply-necessary-quotes-to-result-of-mac.patch |   52 ++++++
 ...mpiler-warning-on-printing-64-bit-integer.patch |   35 ++++
 .../patches/0004-mips-remove-unused-variable.patch |   30 ++++
 .../kexec-tools/patches/0004-mips_regdefs.patch    |  103 ------------
 ...ix-warning-about-implicit-type-conversion.patch |   30 ++++
 .../boot/kexec-tools/patches/100-reduce_size.patch |   36 -----
 9 files changed, 329 insertions(+), 145 deletions(-)
 create mode 100644 package/boot/kexec-tools/patches/0001-Fix-zlib-lzma-decompression.patch
 create mode 100644 package/boot/kexec-tools/patches/0002-configure.ac-apply-necessary-quotes-to-result-of-mac.patch
 create mode 100644 package/boot/kexec-tools/patches/0003-mips-fix-compiler-warning-on-printing-64-bit-integer.patch
 create mode 100644 package/boot/kexec-tools/patches/0004-mips-remove-unused-variable.patch
 delete mode 100644 package/boot/kexec-tools/patches/0004-mips_regdefs.patch
 create mode 100644 package/boot/kexec-tools/patches/0005-mips-fix-warning-about-implicit-type-conversion.patch
 delete mode 100644 package/boot/kexec-tools/patches/100-reduce_size.patch

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 at 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 at 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 at gmail.com>
+Signed-off-by: Simon Horman <horms at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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 at 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);
-- 
1.7.10.4
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