Ping.
On 2018年08月30日 16:36, [email protected] wrote:
From: Mingli Yu <[email protected]>
In response to a change in binutils, commit b21ebf2fb4c
(x86: Treat R_X86_64_PLT32 as R_X86_64_PC32) was applied to
the linux kernel during the 4.16 development cycle and has
since been backported to earlier stable kernel series. The
change results in the failure message as below when rebooting
via kexec.
# kexec -l /boot/bzImage --append="console=ttyS0,115200 root=/dev/sda1"
Unhandled rela relocation: R_X86_64_PLT32
Fix this by replicating the change in kexec.
Signed-off-by: Mingli Yu <[email protected]>
---
...or-Unhandled-rela-relocation-R_X86_64_PLT.patch | 41 ++++++++++++++++++++++
meta/recipes-kernel/kexec/kexec-tools_2.0.17.bb | 1 +
2 files changed, 42 insertions(+)
create mode 100644
meta/recipes-kernel/kexec/kexec-tools/0001-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch
diff --git
a/meta/recipes-kernel/kexec/kexec-tools/0001-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch
b/meta/recipes-kernel/kexec/kexec-tools/0001-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch
new file mode 100644
index 0000000..e0cced5
--- /dev/null
+++
b/meta/recipes-kernel/kexec/kexec-tools/0001-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch
@@ -0,0 +1,41 @@
+From b9de21ef51a7ceab7122a707c188602eae22c4ee Mon Sep 17 00:00:00 2001
+From: Chris Clayton <[email protected]>
+Date: Mon, 20 Aug 2018 12:00:31 +0100
+Subject: [PATCH] kexec: fix for "Unhandled rela relocation: R_X86_64_PLT32"
error
+
+In response to a change in binutils, commit b21ebf2fb4c
+(x86: Treat R_X86_64_PLT32 as R_X86_64_PC32) was applied to
+the linux kernel during the 4.16 development cycle and has
+since been backported to earlier stable kernel series. The
+change results in the failure message in $SUBJECT when
+rebooting via kexec.
+
+Fix this by replicating the change in kexec.
+
+Upstream-Status:
Backport[https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/commit/?id=b9de21ef51a7ceab7122a707c188602eae22c4ee]
+
+Signed-off-by: Chris Clayton <[email protected]>
+Acked-by: Baoquan He <[email protected]>
+Tested-by: Bhupesh Sharma <[email protected]>
+Acked-by: Bhupesh Sharma <[email protected]>
+Signed-off-by: Simon Horman <[email protected]>
+Signed-off-by: Mingli Yu <[email protected]>
+---
+ kexec/arch/x86_64/kexec-elf-rel-x86_64.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
b/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
+index 7fdde73..db85b44 100644
+--- a/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
++++ b/kexec/arch/x86_64/kexec-elf-rel-x86_64.c
+@@ -79,6 +79,7 @@ void machine_apply_elf_rel(struct mem_ehdr *UNUSED(ehdr),
+ goto overflow;
+ break;
+ case R_X86_64_PC32:
++ case R_X86_64_PLT32:
+ *(uint32_t *)location = value - address;
+ break;
+ default:
+--
+2.7.4
+
diff --git a/meta/recipes-kernel/kexec/kexec-tools_2.0.17.bb
b/meta/recipes-kernel/kexec/kexec-tools_2.0.17.bb
index f4ec586..dd46901 100644
--- a/meta/recipes-kernel/kexec/kexec-tools_2.0.17.bb
+++ b/meta/recipes-kernel/kexec/kexec-tools_2.0.17.bb
@@ -18,6 +18,7 @@ SRC_URI =
"${KERNELORG_MIRROR}/linux/utils/kernel/kexec/kexec-tools-${PV}.tar.gz
file://0010-kexec-ARM-Fix-add_buffer_phys_virt-align-issue.patch \
file://kexec-x32.patch \
file://0001-Disable-PIE-during-link.patch \
+
file://0001-kexec-fix-for-Unhandled-rela-relocation-R_X86_64_PLT.patch \
"
SRC_URI[md5sum] = "8e071ca473694a71e4ae60ed7ef6f377"
--
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