The patch titled
uml: fix linker script alignment bugs
has been added to the -mm tree. Its filename is
uml-fix-linker-script-alignment-bugs.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: uml: fix linker script alignment bugs
From: Jeff Dike <jdike@xxxxxxxxxxx>
Fix a class of bugs in the UML linker scripts which caused section boundary
variables to sometimes not line up with their sections.
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/kernel/dyn.lds.S | 12 +--
arch/um/kernel/uml.lds.S | 11 +-
include/asm-um/common.lds.S | 128 ++++++++++++++++++++--------------
3 files changed, 92 insertions(+), 59 deletions(-)
diff -puN arch/um/kernel/dyn.lds.S~uml-fix-linker-script-alignment-bugs arch/um/kernel/dyn.lds.S
--- a/arch/um/kernel/dyn.lds.S~uml-fix-linker-script-alignment-bugs
+++ a/arch/um/kernel/dyn.lds.S
@@ -71,11 +71,13 @@ SECTIONS
*(.gnu.warning)
. = ALIGN(4096);
- __syscall_stub_start = .;
- *(.__syscall_stub*)
- __syscall_stub_end = .;
- . = ALIGN(4096);
} =0x90909090
+ . = ALIGN(4096);
+ .syscall_stub : {
+ __syscall_stub_start = .;
+ *(.__syscall_stub*)
+ __syscall_stub_end = .;
+ }
.fini : {
KEEP (*(.fini))
} =0x90909090
@@ -138,8 +140,8 @@ SECTIONS
.got : { *(.got.plt) *(.got) }
_edata = .;
PROVIDE (edata = .);
- __bss_start = .;
.bss : {
+ __bss_start = .;
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
diff -puN arch/um/kernel/uml.lds.S~uml-fix-linker-script-alignment-bugs arch/um/kernel/uml.lds.S
--- a/arch/um/kernel/uml.lds.S~uml-fix-linker-script-alignment-bugs
+++ a/arch/um/kernel/uml.lds.S
@@ -44,12 +44,13 @@ SECTIONS
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.gnu.linkonce.t*)
+ }
- . = ALIGN(4096);
- __syscall_stub_start = .;
- *(.__syscall_stub*)
- __syscall_stub_end = .;
- . = ALIGN(4096);
+ . = ALIGN(4096);
+ .syscall_stub : {
+ __syscall_stub_start = .;
+ *(.__syscall_stub*)
+ __syscall_stub_end = .;
}
#include "asm/common.lds.S"
diff -puN include/asm-um/common.lds.S~uml-fix-linker-script-alignment-bugs include/asm-um/common.lds.S
--- a/include/asm-um/common.lds.S~uml-fix-linker-script-alignment-bugs
+++ a/include/asm-um/common.lds.S
@@ -16,82 +16,112 @@
. = ALIGN(4096);
.note : { *(.note.*) }
- __start___ex_table = .;
- __ex_table : { *(__ex_table) }
- __stop___ex_table = .;
+ __ex_table : {
+ __start___ex_table = .;
+ *(__ex_table)
+ __stop___ex_table = .;
+ }
BUG_TABLE
- __uml_setup_start = .;
- .uml.setup.init : { *(.uml.setup.init) }
- __uml_setup_end = .;
+ .uml.setup.init : {
+ __uml_setup_start = .;
+ *(.uml.setup.init)
+ __uml_setup_end = .;
+ }
- __uml_help_start = .;
- .uml.help.init : { *(.uml.help.init) }
- __uml_help_end = .;
+ .uml.help.init : {
+ __uml_help_start = .;
+ *(.uml.help.init)
+ __uml_help_end = .;
+ }
- __uml_postsetup_start = .;
- .uml.postsetup.init : { *(.uml.postsetup.init) }
- __uml_postsetup_end = .;
+ .uml.postsetup.init : {
+ __uml_postsetup_start = .;
+ *(.uml.postsetup.init)
+ __uml_postsetup_end = .;
+ }
- __setup_start = .;
- .init.setup : { *(.init.setup) }
- __setup_end = .;
+ .init.setup : {
+ __setup_start = .;
+ *(.init.setup)
+ __setup_end = .;
+ }
. = ALIGN(32);
- __per_cpu_start = . ;
- .data.percpu : { *(.data.percpu) }
- __per_cpu_end = . ;
+ .data.percpu : {
+ __per_cpu_start = . ;
+ *(.data.percpu)
+ __per_cpu_end = . ;
+ }
- __initcall_start = .;
.initcall.init : {
+ __initcall_start = .;
INITCALLS
+ __initcall_end = .;
+ }
+
+ .con_initcall.init : {
+ __con_initcall_start = .;
+ *(.con_initcall.init)
+ __con_initcall_end = .;
}
- __initcall_end = .;
- __con_initcall_start = .;
- .con_initcall.init : { *(.con_initcall.init) }
- __con_initcall_end = .;
-
- __uml_initcall_start = .;
- .uml.initcall.init : { *(.uml.initcall.init) }
- __uml_initcall_end = .;
+ .uml.initcall.init : {
+ __uml_initcall_start = .;
+ *(.uml.initcall.init)
+ __uml_initcall_end = .;
+ }
__init_end = .;
SECURITY_INIT
- __exitcall_begin = .;
- .exitcall : { *(.exitcall.exit) }
- __exitcall_end = .;
-
- __uml_exitcall_begin = .;
- .uml.exitcall : { *(.uml.exitcall.exit) }
- __uml_exitcall_end = .;
+ .exitcall : {
+ __exitcall_begin = .;
+ *(.exitcall.exit)
+ __exitcall_end = .;
+ }
+
+ .uml.exitcall : {
+ __uml_exitcall_begin = .;
+ *(.uml.exitcall.exit)
+ __uml_exitcall_end = .;
+ }
. = ALIGN(4);
- __alt_instructions = .;
- .altinstructions : { *(.altinstructions) }
- __alt_instructions_end = .;
+ .altinstructions : {
+ __alt_instructions = .;
+ *(.altinstructions)
+ __alt_instructions_end = .;
+ }
.altinstr_replacement : { *(.altinstr_replacement) }
/* .exit.text is discard at runtime, not link time, to deal with references
from .altinstructions and .eh_frame */
.exit.text : { *(.exit.text) }
.exit.data : { *(.exit.data) }
- __preinit_array_start = .;
- .preinit_array : { *(.preinit_array) }
- __preinit_array_end = .;
- __init_array_start = .;
- .init_array : { *(.init_array) }
- __init_array_end = .;
- __fini_array_start = .;
- .fini_array : { *(.fini_array) }
- __fini_array_end = .;
+ .preinit_array : {
+ __preinit_array_start = .;
+ *(.preinit_array)
+ __preinit_array_end = .;
+ }
+ .init_array : {
+ __init_array_start = .;
+ *(.init_array)
+ __init_array_end = .;
+ }
+ .fini_array : {
+ __fini_array_start = .;
+ *(.fini_array)
+ __fini_array_end = .;
+ }
. = ALIGN(4096);
- __initramfs_start = .;
- .init.ramfs : { *(.init.ramfs) }
- __initramfs_end = .;
+ .init.ramfs : {
+ __initramfs_start = .;
+ *(.init.ramfs)
+ __initramfs_end = .;
+ }
/* Sections to be discarded */
/DISCARD/ : {
_
Patches currently in -mm which might be from jdike@xxxxxxxxxxx are
introduce-config_check_signature-was-re-uninline.patch
uml-fix-previous-request-size-limit-fix.patch
uml-fix-linker-script-alignment-bugs.patch
uml-fix-x86_64-core-dump-crash.patch
git-kvm.patch
hostfs-convert-to-new-aops.patch
uml-move-userspace-code-to-userspace-file.patch
uml-tidy-recently-moved-code.patch
uml-fix-error-cleanup-ordering.patch
uml-console-subsystem-tidying.patch
uml-fix-console-writing-bugs.patch
uml-console-tidying.patch
uml-stop-using-libc-asm-pageh.patch
uml-fix-an-ipv6-libc-vs-kernel-symbol-clash.patch
uml-fix-nonremovability-of-watchdog.patch
uml-stop-specially-protecting-kernel-stacks.patch
uml-stop-saving-process-fp-state.patch
uml-physmem-code-tidying.patch
uml-add-vde-networking-support.patch
uml-remove-unnecessary-hostfs_getattr.patch
uml-throw-out-config_mode_tt.patch
uml-remove-sysdep-threadh.patch
uml-style-fixes-pass-1.patch
uml-throw-out-choose_mode.patch
uml-style-fixes-pass-2.patch
uml-remove-code-made-redundant-by-choose_mode-removal.patch
uml-style-fixes-pass-3.patch
uml-remove-__u64-usage-from-physical-memory-subsystem.patch
uml-get-rid-of-do_longjmp.patch
uml-fold-mmu_context_skas-into-mm_context.patch
uml-rename-pt_regs-general-purpose-register-file.patch
uml-free-ldt-state-on-process-exit.patch
uml-remove-os_-usage-from-userspace-files.patch
uml-replace-clone-with-fork.patch
uml-fix-inlines.patch
uml-use-64-bits-for-block-size-on-x86_64.patch
uml-userspace-files-should-call-libc-directly.patch
uml-clean-up-tlb-flush-path.patch
uml-remove-unneeded-if-from-hostfs.patch
uml-fix-hostfs-style.patch
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