Akira YOSHIYAMA <yosshy@tkf.att.ne.jp> writes:
>
> Right. APM is not enough to use on SMP. But I want only one function
> of APM, power off. Current Linux kernel can do that with the option
> 'apm=smp-power-off' and LINUX_REBOOT_CMD_POWER_OFF, but incomplete
> for me.
Can you try the following patch for me (it is just a patch for
apm.c in arch/i386/kernel).
--- apm.c.old Thu Feb 4 21:51:53 1999
+++ apm.c Sun Feb 21 22:44:32 1999
@@ -1378,14 +1378,6 @@
(apm_bios_info.dseg_len - 1) & 0xffff);
}
#endif
-#ifdef CONFIG_SMP
- if (smp_num_cpus > 1) {
- printk(KERN_NOTICE "apm: disabled - APM is not SMP safe.\n");
- if (smp_hack)
- smp_hack = 2;
- return;
- }
-#endif
if (apm_bios_info.version > 0x100) {
/*
* We only support BIOSs up to version 1.2
@@ -1440,6 +1432,14 @@
}
}
+#ifdef CONFIG_SMP
+ if (smp_num_cpus > 1) {
+ printk(KERN_NOTICE "apm: disabled - APM is not SMP safe.\n");
+ if (smp_hack)
+ smp_hack = 2;
+ return;
+ }
+#endif
#ifdef CONFIG_APM_DO_ENABLE
if (apm_bios_info.flags & APM_BIOS_DISABLED) {
/*
Cheers,
Stephen
-- Stephen Rothwell Stephen.Rothwell@canb.auug.org.au http://www.canb.auug.org.au/~sfr/- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/