[uml-devel] [patch] Make User Mode Linux compile in 2.6.11-rc2-bk6.

[uml-devel] [patch] Make User Mode Linux compile in 2.6.11-rc2-bk6.

[Rob Landley]

User Mode Linux doesn't compile in 2.6.11-rc2-bk6.  Here's the change I
made to sys_call_table.c to make it compile.  (I ran the result and brought
up a shell.)

We're really close to finally having a usable UML kernel in mainline.
2.6.9's ARCH=um built but was very unstable, 2.6.10 didn't even build
for me, but 2.6.11-rc1-mm2 builds fine unmodified, and ran my tests
correctly to completion.

Here's the patch.  Nothing fancy, it simply removes or stubs out all the
syscalls the compiler complains about.

Rob

Signed-off-by: Rob Landley <rob@landley.net>

--- linux-2.6.10/arch/um/kernel/sys_call_table.c	2005-01-28 21:20:38.000000000 -0600
+++ linux-2.6.10-um/arch/um/kernel/sys_call_table.c	2005-01-28 21:40:30.735892144 -0600
@@ -20,7 +20,7 @@
 #define NFSSERVCTL sys_ni_syscall
 #endif
 
-#define LAST_GENERIC_SYSCALL __NR_vperfctr_read
+#define LAST_GENERIC_SYSCALL (NR_syscalls-1)
 
 #if LAST_GENERIC_SYSCALL > LAST_ARCH_SYSCALL
 #define LAST_SYSCALL LAST_GENERIC_SYSCALL
@@ -52,13 +52,7 @@
 extern syscall_handler_t sys_mbind;
 extern syscall_handler_t sys_get_mempolicy;
 extern syscall_handler_t sys_set_mempolicy;
-extern syscall_handler_t sys_sys_kexec_load;
 extern syscall_handler_t sys_sys_setaltroot;
-extern syscall_handler_t sys_vperfctr_open;
-extern syscall_handler_t sys_vperfctr_control;
-extern syscall_handler_t sys_vperfctr_unlink;
-extern syscall_handler_t sys_vperfctr_iresume;
-extern syscall_handler_t sys_vperfctr_read;
 
 syscall_handler_t *sys_call_table[] = {
 	[ __NR_restart_syscall ] = (syscall_handler_t *) sys_restart_syscall,
@@ -273,7 +267,7 @@
 	[ __NR_mq_timedreceive ] = (syscall_handler_t *) sys_mq_timedreceive,
 	[ __NR_mq_notify ] = (syscall_handler_t *) sys_mq_notify,
 	[ __NR_mq_getsetattr ] = (syscall_handler_t *) sys_mq_getsetattr,
-	[ __NR_sys_kexec_load ] = (syscall_handler_t *) sys_kexec_load,
+	[ __NR_sys_kexec_load ] = (syscall_handler_t *) sys_ni_syscall,
 	[ __NR_waitid ] = (syscall_handler_t *) sys_waitid,
 #if 0
 	[ __NR_sys_setaltroot ] = (syscall_handler_t *) sys_sys_setaltroot,
@@ -281,11 +275,6 @@
 	[ __NR_add_key ] = (syscall_handler_t *) sys_add_key,
 	[ __NR_request_key ] = (syscall_handler_t *) sys_request_key,
 	[ __NR_keyctl ] = (syscall_handler_t *) sys_keyctl,
-	[ __NR_vperfctr_open ] = (syscall_handler_t *) sys_vperfctr_open,
-	[ __NR_vperfctr_control ] = (syscall_handler_t *) sys_vperfctr_control,
-	[ __NR_vperfctr_unlink ] = (syscall_handler_t *) sys_vperfctr_unlink,
-	[ __NR_vperfctr_iresume ] = (syscall_handler_t *) sys_vperfctr_iresume,
-	[ __NR_vperfctr_read ] = (syscall_handler_t *) sys_vperfctr_read,
 
 	ARCH_SYSCALLS
 	[ LAST_SYSCALL + 1 ... NR_syscalls ] = 


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[patch] Make User Mode Linux compile in 2.6.11-rc2-bk6.

[Rob Landley]

User Mode Linux doesn't compile in 2.6.11-rc2-bk6.  Here's the change I
made to sys_call_table.c to make it compile.  (I ran the result and brought
up a shell.)

We're really close to finally having a usable UML kernel in mainline.
2.6.9's ARCH=um built but was very unstable, 2.6.10 didn't even build
for me, but 2.6.11-rc1-mm2 builds fine unmodified, and ran my tests
correctly to completion.

Here's the patch.  Nothing fancy, it simply removes or stubs out all the
syscalls the compiler complains about.

Rob

Signed-off-by: Rob Landley <rob@landley.net>

--- linux-2.6.10/arch/um/kernel/sys_call_table.c	2005-01-28 21:20:38.000000000 -0600
+++ linux-2.6.10-um/arch/um/kernel/sys_call_table.c	2005-01-28 21:40:30.735892144 -0600
@@ -20,7 +20,7 @@
 #define NFSSERVCTL sys_ni_syscall
 #endif
 
-#define LAST_GENERIC_SYSCALL __NR_vperfctr_read
+#define LAST_GENERIC_SYSCALL (NR_syscalls-1)
 
 #if LAST_GENERIC_SYSCALL > LAST_ARCH_SYSCALL
 #define LAST_SYSCALL LAST_GENERIC_SYSCALL
@@ -52,13 +52,7 @@
 extern syscall_handler_t sys_mbind;
 extern syscall_handler_t sys_get_mempolicy;
 extern syscall_handler_t sys_set_mempolicy;
-extern syscall_handler_t sys_sys_kexec_load;
 extern syscall_handler_t sys_sys_setaltroot;
-extern syscall_handler_t sys_vperfctr_open;
-extern syscall_handler_t sys_vperfctr_control;
-extern syscall_handler_t sys_vperfctr_unlink;
-extern syscall_handler_t sys_vperfctr_iresume;
-extern syscall_handler_t sys_vperfctr_read;
 
 syscall_handler_t *sys_call_table[] = {
 	[ __NR_restart_syscall ] = (syscall_handler_t *) sys_restart_syscall,
@@ -273,7 +267,7 @@
 	[ __NR_mq_timedreceive ] = (syscall_handler_t *) sys_mq_timedreceive,
 	[ __NR_mq_notify ] = (syscall_handler_t *) sys_mq_notify,
 	[ __NR_mq_getsetattr ] = (syscall_handler_t *) sys_mq_getsetattr,
-	[ __NR_sys_kexec_load ] = (syscall_handler_t *) sys_kexec_load,
+	[ __NR_sys_kexec_load ] = (syscall_handler_t *) sys_ni_syscall,
 	[ __NR_waitid ] = (syscall_handler_t *) sys_waitid,
 #if 0
 	[ __NR_sys_setaltroot ] = (syscall_handler_t *) sys_sys_setaltroot,
@@ -281,11 +275,6 @@
 	[ __NR_add_key ] = (syscall_handler_t *) sys_add_key,
 	[ __NR_request_key ] = (syscall_handler_t *) sys_request_key,
 	[ __NR_keyctl ] = (syscall_handler_t *) sys_keyctl,
-	[ __NR_vperfctr_open ] = (syscall_handler_t *) sys_vperfctr_open,
-	[ __NR_vperfctr_control ] = (syscall_handler_t *) sys_vperfctr_control,
-	[ __NR_vperfctr_unlink ] = (syscall_handler_t *) sys_vperfctr_unlink,
-	[ __NR_vperfctr_iresume ] = (syscall_handler_t *) sys_vperfctr_iresume,
-	[ __NR_vperfctr_read ] = (syscall_handler_t *) sys_vperfctr_read,
 
 	ARCH_SYSCALLS
 	[ LAST_SYSCALL + 1 ... NR_syscalls ] =