Another way to disable this calls via include/linux/cpu.h , having CONFIG_HOTPLUG_CPU=y is to change arch/x86/Kconfig :-
--- arch/x86/Kconfig.orig 2010-10-10 18:29:24.490068330 +0400
+++ arch/x86/Kconfig 2010-10-10 17:50:22.383715068 +0400
@@ -254,8 +254,8 @@
def_bool X86_32
config ARCH_CPU_PROBE_RELEASE
- def_bool y
- depends on HOTPLUG_CPU
+ def_bool n
+# depends on HOTPLUG_CPU
Boris
--- On Sat, 10/9/10, Boris Derzhavets <bderzhavets@xxxxxxxxx> wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: [Xen-users] Attempt to
apply xen-patches-2.6.34-4.tar.bz2 to 2.6.34.7 vanilla
To: "Andrew Lyon" <andrew.lyon@xxxxxxxxx>
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Saturday, October 9, 2010, 4:10 PM
. . . . . . . . . . . . . . .
LD drivers/built-in.o
LD vmlinux.o
MODPOST vmlinux.o
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
drivers/built-in.o: In function `cpu_release_store':
/root/xenkernel/linux-2.6.34.7/drivers/base/cpu.c:96:
undefined reference to `arch_cpu_release'
drivers/built-in.o: In function `cpu_probe_store':
/root/xenkernel/linux-2.6.34.7/drivers/base/cpu.c:88: undefined reference to `arch_cpu_probe'
drivers/built-in.o: In function
`store_online':
/root/xenkernel/linux-2.6.34.7/drivers/base/cpu.c:42: undefined reference to `cpu_hotplug_driver_lock'
/root/xenkernel/linux-2.6.34.7/drivers/base/cpu.c:57: undefined reference to `cpu_hotplug_driver_unlock'
make: *** [.tmp_vmlinux1] Error 1
Commenting undefined references gives an option to build the 2.6.34.7 xenified aka Suse :-
--- cpu.c.orig 2010-10-09 23:31:26.641580071 +0400
+++ cpu.c 2010-10-10 00:02:40.913581011 +0400
@@ -39,7 +39,7 @@
struct cpu *cpu = container_of(dev, struct cpu, sysdev);
ssize_t ret;
- cpu_hotplug_driver_lock();
+ /* cpu_hotplug_driver_lock(); */
switch (buf[0]) {
case '0':
ret = cpu_down(cpu->sysdev.id);
@@ -54,7 +54,7
@@
default:
ret = -EINVAL;
}
- cpu_hotplug_driver_unlock();
+ /* cpu_hotplug_driver_unlock(); */
if (ret >= 0)
ret = count;
@@ -85,7 +85,8 @@
const char *buf,
size_t count)
{
- return arch_cpu_probe(buf, count);
+ /* return arch_cpu_probe(buf, count); */
+ return 0;
}
static ssize_t cpu_release_store(struct sysdev_class *class,
@@ -93,7 +94,8 @@
const char *buf,
size_t count)
{
- return arch_cpu_release(buf, count);
+ /* return arch_cpu_release(buf, count); */
+ return 0;
}
Boris.
|
-----Inline Attachment Follows-----
|
