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add support for 2.6.33

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SVN-Revision: 20158
This commit is contained in:
Florian Fainelli
2010-03-12 14:24:17 +00:00
parent f93c17cba4
commit b8f02a36d1
4 changed files with 86 additions and 0 deletions
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11
target/linux/uml/patches-2.6.33/001-gcc4_unit_at_a_time_i386_fix.patch Normal file
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@@ -0,0 +1,11 @@
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -35,7 +35,7 @@ cflags-y += -ffreestanding
# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
# a lot more stack due to the lack of sharing of stacklots. Also, gcc
# 4.3.0 needs -funit-at-a-time for extern inline functions.
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
+KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0403 ] ; then \
echo $(call cc-option,-fno-unit-at-a-time); \
else echo $(call cc-option,-funit-at-a-time); fi ;)

21
target/linux/uml/patches-2.6.33/002-gcc4_unfortify_source.patch Normal file
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@@ -0,0 +1,21 @@
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -39,4 +39,8 @@ KBUILD_CFLAGS += $(shell if [ $(call cc-
echo $(call cc-option,-fno-unit-at-a-time); \
else echo $(call cc-option,-funit-at-a-time); fi ;)
+# disable compile-time buffer checks, enabled by default on Ubuntu 8.10
+# and later
+KBUILD_CFLAGS += $(call cc-option,-U_FORTIFY_SOURCE)
+
KBUILD_CFLAGS += $(cflags-y)
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -24,3 +24,7 @@ LINK-y += -m64
# Do unit-at-a-time unconditionally on x86_64, following the host
KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
+
+# disable compile-time buffer checks, enabled by default on Ubuntu 8.10
+# and later
+KBUILD_CFLAGS += $(call cc-option,-U_FORTIFY_SOURCE)

40
target/linux/uml/patches-2.6.33/003-fix_text_section.patch Normal file
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@@ -0,0 +1,40 @@
um: remove PAGE_SIZE alignment in linker script causing kernel segfault.
The linker script cleanup that I did in commit
5d150a97f9391f5bcd7ba0d59d7a11c3de3cea80 accidentally introduced an
ALIGN(PAGE_SIZE) when converting to use INIT_TEXT_SECTION; Richard
Weinberger reported that this causes the kernel to segfault with
CONFIG_STATIC_LINK=y.
I'm not certain why this extra alignment is a problem, but it seems likely
it is because previously
__init_begin = _stext = _text = _sinittext
and with the extra ALIGN(PAGE_SIZE), _sinittext becomes different from the
rest. So there is likely a bug here where something is assuming that
_sinittext is the same as one of those other symbols. But reverting the
accidental change fixes the regression, so it seems worth committing that
now.
Signed-off-by: Tim Abbott <tabbott@ksplice.com>
Reported-by: richard -rw- weinberger <richard.weinberger@gmail.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: user-mode-linux-devel@lists.sourceforge.net
---
arch/um/kernel/uml.lds.S | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index e7a6cca..664f942 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -22,7 +22,7 @@ SECTIONS
_text = .;
_stext = .;
__init_begin = .;
- INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_TEXT_SECTION(0)
. = ALIGN(PAGE_SIZE);
.text :

14
target/linux/uml/patches-2.6.33/901-lib_zlib_deflate_visible.patch Normal file
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@@ -0,0 +1,14 @@
make ZLIB_DEFLATE visible, so that we can choose whether we want it built-in
or as a module
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -92,7 +92,7 @@ config ZLIB_INFLATE
tristate
config ZLIB_DEFLATE
- tristate
+ tristate "Zlib compression"
config LZO_COMPRESS
tristate