"nohalt" option is currently broken on IPF (2.6.12 is the earliest kernel I looked, might be broken even earlier).
- Ken -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chen, Kenneth W Sent: Monday, August 08, 2005 3:25 PM To: linux-ia64@vger.kernel.org Subject: fix nohalt boot option Apparent, this changeset broke the "nohalt" kernel boot option. http://www.kernel.org/git/gitweb.cgi?p=linux/kernel/git/torvalds/linux-2 .6.git;a=commit;h=8df5a500a3e97f7811cdce0f553ca1917ccd4220 default_idle() is looking at new variable can_do_pal_halt. However, that variable did not get cleared upon "nohalt" boot option. Resulting a wacky behavior that the kernel option can only have effect when perfmon is exercised. Signed-off-by: Ken Chen <[EMAIL PROTECTED]> --- linux-2.6.12/arch/ia64/kernel/process.c.orig 2005-08-08 15:05:47.319034969 -0700 +++ linux-2.6.12/arch/ia64/kernel/process.c 2005-08-08 15:05:59.147159824 -0700 @@ -178,7 +178,7 @@ static int can_do_pal_halt = 1; static int __init nohalt_setup(char * str) { - pal_halt = 0; + pal_halt = can_do_pal_halt = 0; return 1; } __setup("nohalt", nohalt_setup); - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
