package/kexec: bump to version 2.0.28
For release announce, see: https://lists.infradead.org/pipermail/kexec/2024-January/029156.html This commit removes the two package patches, which are now included in this new version. The "KEXEC_AUTORECONF = YES" is also removed, since it is no longer needed (due to the patch removal). Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Julien Olivain
Peter Korsgaard
parent
afe633d6be
commit
de81f2e3bc
@ -1,36 +0,0 @@
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From 491439a5c55b18dce96b522f3a603faaf1908ede Mon Sep 17 00:00:00 2001
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From: Laurent Vivier <laurent@vivier.eu>
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Date: Fri, 21 Apr 2023 18:22:07 +0200
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Subject: [PATCH] m68k: fix getrandom() use with uclibc
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With uclibc, getrandom() is only defined with _GNU_SOURCE, fix that:
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kexec/arch/m68k/bootinfo.c: In function 'bootinfo_add_rng_seed':
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kexec/arch/m68k/bootinfo.c:231:13: warning: implicit declaration of function 'getrandom'; did you mean 'srandom'? [-Wimplicit-function-declaration]
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231 | if (getrandom(bi->rng_seed.data, RNG_SEED_LEN, GRND_NONBLOCK) != RNG_SEED_LEN) {
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| ^~~~~~~~~
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| srandom
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kexec/arch/m68k/bootinfo.c:231:56: error: 'GRND_NONBLOCK' undeclared (first use in this function)
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231 | if (getrandom(bi->rng_seed.data, RNG_SEED_LEN, GRND_NONBLOCK) != RNG_SEED_LEN) {
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| ^~~~~~~~~~~~~
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Fixes: b9de05184816 ("m68k: pass rng seed via BI_RNG_SEED")
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Upstream: https://lore.kernel.org/kexec/20230422095904.1303434-1-laurent@vivier.eu/
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Cc: Jason@zx2c4.com
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Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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---
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kexec/arch/m68k/bootinfo.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/kexec/arch/m68k/bootinfo.c b/kexec/arch/m68k/bootinfo.c
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index 086a34bdfdeb..5afd212d9d34 100644
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--- a/kexec/arch/m68k/bootinfo.c
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+++ b/kexec/arch/m68k/bootinfo.c
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@@ -1,3 +1,4 @@
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+#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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--
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2.40.0
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@ -1,113 +0,0 @@
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From 417382aecd6964f97a0a0774a5cccd29c1b9edb3 Mon Sep 17 00:00:00 2001
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From: Julien Olivain <ju.o@free.fr>
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Date: Sat, 23 Sep 2023 13:09:23 +0200
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Subject: [PATCH] kexec: provide a memfd_create() wrapper if not present in
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libc
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Commit 714fa115 "kexec/arm64: Simplify the code for zImage" introduced
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a use of the memfd_create() system call, included in version
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kexec-tools v2.0.27.
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This system call was introduced in kernel commit [1], first included
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in kernel v3.17 (released on 2014-10-05).
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The memfd_create() glibc wrapper function was added much later in
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commit [2], first included in glibc version 2.27 (released on
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2018-02-01).
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This direct use memfd_create() introduced a requirement on
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Kernel >= 3.17 and glibc >= 2.27.
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There is old toolchains like [3] for example (which ships gcc 7.3.1,
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glibc 2.25 and includes kernel v4.10 headers), that can still be used
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to build newer kernels. Even if such toolchains can be seen as
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outdated, they are is still claimed as supported by recent kernel.
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For example, Kernel v6.5.5 has a requirement on gcc version 5.1 and
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greater. See [4].
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Moreover, kexec-tools <= 2.0.26 could be compiled using recent
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toolchains with alternative libc (e.g. uclibc-ng, musl) which are not
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providing the memfd_create() wrapper.
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When compiling kexec-tools v2.0.27 with a toolchain not providing the
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memfd_create() syscall wrapper, the compilation fail with message:
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kexec/kexec.c: In function 'copybuf_memfd':
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kexec/kexec.c:645:7: warning: implicit declaration of function 'memfd_create'; did you mean 'SYS_memfd_create'? [-Wimplicit-function-declaration]
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fd = memfd_create("kernel", MFD_ALLOW_SEALING);
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^~~~~~~~~~~~
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SYS_memfd_create
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kexec/kexec.c:645:30: error: 'MFD_ALLOW_SEALING' undeclared (first use in this function); did you mean '_PC_ALLOC_SIZE_MIN'?
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fd = memfd_create("kernel", MFD_ALLOW_SEALING);
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^~~~~~~~~~~~~~~~~
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_PC_ALLOC_SIZE_MIN
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In order to let kexec-tools compile in a wider range of configurations,
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this commit adds a memfd_create() function check in autoconf configure
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script, and adds a system call wrapper which will be used if the
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function is not available. With this commit, the environment
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requirement is relaxed to only kernel >= v3.17.
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Note: this issue was found in kexec-tools integration in Buildroot [5]
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using the command "utils/test-pkg -a -p kexec", which tests many
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toolchain/arch combinations.
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[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9183df25fe7b194563db3fec6dc3202a5855839c
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[2] https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=59d2cbb1fe4b8601d5cbd359c3806973eab6c62d
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[3] https://releases.linaro.org/components/toolchain/binaries/7.3-2018.05/aarch64-linux-gnu/gcc-linaro-7.3.1-2018.05-x86_64_aarch64-linux-gnu.tar.xz
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[4] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/process/changes.rst?h=v6.5.5#n32
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[5] https://buildroot.org/
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Upstream: https://lists.infradead.org/pipermail/kexec/2023-September/028168.html
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Signed-off-by: Julien Olivain <ju.o@free.fr>
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---
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configure.ac | 3 +++
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kexec/kexec.c | 11 +++++++++++
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2 files changed, 14 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 192976c..212ef2c 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -208,6 +208,9 @@ if test "$ac_cv_lib_xenctrl_xc_kexec_load" = yes ; then
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AC_MSG_NOTICE([The kexec_status call is not available]))
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fi
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+dnl Check if libc has the memfd_create() syscall wrapper
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+AC_CHECK_FUNCS([memfd_create])
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+
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dnl ---Sanity checks
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if test "$CC" = "no"; then AC_MSG_ERROR([cc not found]); fi
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if test "$CPP" = "no"; then AC_MSG_ERROR([cpp not found]); fi
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diff --git a/kexec/kexec.c b/kexec/kexec.c
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index c3b182e..c44c4b7 100644
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--- a/kexec/kexec.c
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+++ b/kexec/kexec.c
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@@ -31,6 +31,10 @@
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#include <sys/mount.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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+#ifndef HAVE_MEMFD_CREATE
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+#include <linux/memfd.h>
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+#include <sys/syscall.h>
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+#endif
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#include <sys/reboot.h>
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#include <sys/mman.h>
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#include <unistd.h>
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@@ -638,6 +642,13 @@ char *slurp_decompress_file(const char *filename, off_t *r_size)
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return kernel_buf;
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}
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+#ifndef HAVE_MEMFD_CREATE
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+static int memfd_create(const char *name, unsigned int flags)
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+{
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+ return syscall(SYS_memfd_create, name, flags);
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+}
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+#endif
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+
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static int copybuf_memfd(const char *kernel_buf, size_t size)
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{
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int fd, count;
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--
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2.41.0
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@ -1,4 +1,4 @@
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# From https://www.kernel.org/pub/linux/utils/kernel/kexec/sha256sums.asc
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sha256 38d78bcfa33a88928324b57dc81f50c1dfc279eede45e80957ca18f4e84b8187 kexec-tools-2.0.27.tar.xz
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sha256 d2f0ef872f39e2fe4b1b01feb62b0001383207239b9f8041f98a95564161d053 kexec-tools-2.0.28.tar.xz
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# locally calculated
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sha256 fa5fc1d1eec39532ea517518eeefd7b6e3c14341a55e5880a0e2a49eee47a5b7 COPYING
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@ -4,13 +4,11 @@
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#
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################################################################################
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KEXEC_VERSION = 2.0.27
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KEXEC_VERSION = 2.0.28
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KEXEC_SOURCE = kexec-tools-$(KEXEC_VERSION).tar.xz
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KEXEC_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/kernel/kexec
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KEXEC_LICENSE = GPL-2.0
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KEXEC_LICENSE_FILES = COPYING
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# 0002-kexec-provide-a-memfd_create-wrapper-if-not-present-.patch
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KEXEC_AUTORECONF = YES
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KEXEC_CPE_ID_PRODUCT = kexec-tools
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KEXEC_CPE_ID_VENDOR = kexec-tools_project
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KEXEC_SELINUX_MODULES = kdump
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