The patch titled
Fix fake return address
has been added to the -mm tree. Its filename is
i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: Fix fake return address
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
The fake return address was being set to __KERNEL_PDA, rather than 0. Push
it earlier while %eax still equals 0.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
arch/i386/kernel/head.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN arch/i386/kernel/head.S~i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel-fix arch/i386/kernel/head.S
--- a/arch/i386/kernel/head.S~i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel-fix
+++ a/arch/i386/kernel/head.S
@@ -316,12 +316,12 @@ is386: movl $2,%ecx # set MP
xorl %eax,%eax # Clear FS and LDT
movl %eax,%fs
lldt %ax
+ pushl %eax # fake return address
movl $(__KERNEL_PDA),%eax
mov %eax,%gs
cld # gcc2 wants the direction flag cleared at all times
- pushl %eax # fake return address
#ifdef CONFIG_SMP
movb ready, %cl
movb $1, ready
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
i386-use-asm-offsets-for-the-offsets-of-registers-into-the-pt_regs-struct-rather-than-having-hard-coded-constants.patch
i386-pda-basic-definitions-for-i386-pda.patch
i386-pda-initialize-the-per-cpu-data-area.patch
i386-pda-initialize-the-per-cpu-data-area-voyager-fix.patch
i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel.patch
i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel-fix.patch
i386-pda-fix-places-where-using-%gs-changes-the-usermode-abi.patch
i386-pda-update-sys_vm86-to-cope-with-changed-pt_regs-and-%gs-usage.patch
i386-pda-implement-smp_processor_id-with-the-pda.patch
i386-pda-implement-current-with-the-pda.patch
i386-pda-store-the-interrupt-regs-pointer-in-the-pda.patch
generic-bug-implementation.patch
generic-bug-for-i386.patch
generic-bug-for-x86-64.patch
uml-add-generic-bug-support.patch
use-generic-bug-for-ppc.patch
bug-test-1.patch
fix-generic-warn_on-message.patch
time-uninline-jiffiesh-fix.patch
-
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