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authorAndi Kleen <ak@suse.de>2007-04-16 10:30:27 +0200
committerAndi Kleen <andi@basil.nowhere.org>2007-04-16 10:30:27 +0200
commit08269c6d38e003adb12f55c6d795daa89bdc1bae (patch)
treeb5fe6676e4e4094ce12b1be1931a04b34742577e
parent94a05509a9e11806acd797153d03019706e466f1 (diff)
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[PATCH] x86: Fix gcc 4.2 _proxy_pda workaround
Due to an over aggressive optimizer gcc 4.2 cannot optimize away _proxy_pda in all cases (counter intuitive, but true). This breaks loading of some modules. The earlier workaround to just export a dummy symbol didn't work unfortunately because the module code ignores exports with 0 value. Make it 1 instead. Signed-off-by: Andi Kleen <ak@suse.de>
-rw-r--r--arch/i386/kernel/vmlinux.lds.S2
-rw-r--r--arch/x86_64/kernel/vmlinux.lds.S2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/i386/kernel/vmlinux.lds.S b/arch/i386/kernel/vmlinux.lds.S
index ca51610955d..6f38f818380 100644
--- a/arch/i386/kernel/vmlinux.lds.S
+++ b/arch/i386/kernel/vmlinux.lds.S
@@ -26,7 +26,7 @@ OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(phys_startup_32)
jiffies = jiffies_64;
-_proxy_pda = 0;
+_proxy_pda = 1;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index b73212c0a55..5176ecf006e 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -13,7 +13,7 @@ OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(phys_startup_64)
jiffies_64 = jiffies;
-_proxy_pda = 0;
+_proxy_pda = 1;
PHDRS {
text PT_LOAD FLAGS(5); /* R_E */
data PT_LOAD FLAGS(7); /* RWE */