diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2007-09-24 21:24:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-25 08:51:04 -0700 |
| commit | bbbd2bf00bab467cff7b1f418b2cb24c71291f59 (patch) | |
| tree | 893578ad97344c822cc21197c66b0c998f21644b /drivers/lguest | |
| parent | fdfb870f8e34e77567043b388051df14f7d33482 (diff) | |
| download | op-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.S | 6 |
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 |
