[Qemu-devel] [patch] kqemu-1.4.0pre1: insert missing include linux/sched.h

[Stan Behrens]

Hi,

if you try to build kqemu-1.4.0pre1 against linux-kernel (I tried 2.6.25.17 and 
2.6.26.6), you get this error:

> $ tar xzf kqemu-1.4.0pre1.tar.gz
> $ cd kqemu-1.4.0pre1
> $ ./configure && make
>   [...]
> make[1]: Entering directory `/usr/src/linux-2.6.26.6'
>   CC [M]  /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.o
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c: In function 
‘kqemu_lock_user_page’:
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c:81: error: dereferencing 
pointer to incomplete type
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c: In function ‘kqemu_schedule’:
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c:194: error: implicit 
declaration of function ‘need_resched’
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c:195: error: implicit 
declaration of function ‘schedule’
> /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.c:197: error: implicit 
declaration of function ‘signal_pending’
> make[2]: *** [/home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.o] Error 1
> make[1]: *** [_module_/home/sbeh/source/kqemu-1.4.0pre1] Error 2
> make[1]: Leaving directory `/usr/src/linux-2.6.26.6'
> make: *** [kqemu.ko] Error 2

Applying the attached patch fixes this.
> $ patch <../kqemu-insert-linux-sched-header.patch
> patching file kqemu-linux.c
> $ make
> make -C common all
> make[1]: Entering directory `/home/sbeh/source/kqemu-1.4.0pre1/common'
> make[1]: Nothing to be done for `all'.
> make[1]: Leaving directory `/home/sbeh/source/kqemu-1.4.0pre1/common'
> make -C /lib/modules/2.6.26.6/build M=`pwd` modules
> make[1]: Entering directory `/usr/src/linux-2.6.26.6'
>   CC [M]  /home/sbeh/source/kqemu-1.4.0pre1/kqemu-linux.o
> cp /home/sbeh/source/kqemu-1.4.0pre1/kqemu-mod-i386.o 
/home/sbeh/source/kqemu-1.4.0pre1/kqemu-mod.o
>   LD [M]  /home/sbeh/source/kqemu-1.4.0pre1/kqemu.o
>   Building modules, stage 2.
>   MODPOST 1 modules
>   CC      /home/sbeh/source/kqemu-1.4.0pre1/kqemu.mod.o
>   LD [M]  /home/sbeh/source/kqemu-1.4.0pre1/kqemu.ko
> make[1]: Leaving directory `/usr/src/linux-2.6.26.6'

Bye.

--- kqemu-linux.c.orig    2008-05-30 22:33:34.000000000 +0200
+++ kqemu-linux.c    2008-10-11 10:32:12.000000000 +0200
@@ -26,6 +26,7 @@
 #include <linux/ioctl.h>
 #include <linux/smp_lock.h>
 #include <linux/miscdevice.h>
+#include <linux/sched.h>
 #include <asm/atomic.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>