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authorRusty Russell <rusty@rustcorp.com.au>2007-09-24 21:24:44 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-09-25 08:51:04 -0700
commitbbbd2bf00bab467cff7b1f418b2cb24c71291f59 (patch)
tree893578ad97344c822cc21197c66b0c998f21644b /drivers/lguest
parentfdfb870f8e34e77567043b388051df14f7d33482 (diff)
downloadop-kernel-dev-bbbd2bf00bab467cff7b1f418b2cb24c71291f59.zip
op-kernel-dev-bbbd2bf00bab467cff7b1f418b2cb24c71291f59.tar.gz
fix modules oopsing in lguest guests
The assembly templates for lguest guest patching are in the .init.text section. This means that modules get patched with "cc cc cc cc" or similar junk. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/lguest')
-rw-r--r--drivers/lguest/lguest_asm.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/lguest/lguest_asm.S b/drivers/lguest/lguest_asm.S
index f182c6a..1ddcd5c 100644
--- a/drivers/lguest/lguest_asm.S
+++ b/drivers/lguest/lguest_asm.S
@@ -22,8 +22,9 @@
jmp lguest_init
/*G:055 We create a macro which puts the assembler code between lgstart_ and
- * lgend_ markers. These templates end up in the .init.text section, so they
- * are discarded after boot. */
+ * lgend_ markers. These templates are put in the .text section: they can't be
+ * discarded after boot as we may need to patch modules, too. */
+.text
#define LGUEST_PATCH(name, insns...) \
lgstart_##name: insns; lgend_##name:; \
.globl lgstart_##name; .globl lgend_##name
@@ -34,7 +35,6 @@ LGUEST_PATCH(popf, movl %eax, lguest_data+LGUEST_DATA_irq_enabled)
LGUEST_PATCH(pushf, movl lguest_data+LGUEST_DATA_irq_enabled, %eax)
/*:*/
-.text
/* These demark the EIP range where host should never deliver interrupts. */
.global lguest_noirq_start
.global lguest_noirq_end
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