From e2c0388866dc12bef56b178b958f9b778fe6c687 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Sun, 26 Feb 2006 04:18:46 +0100 Subject: [PATCH] x86_64: Fix the additional_cpus=.. option It didn't set up the CPU possible map early enough, so the option didn't actually work. Noticed by Heiko Carstens Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- arch/x86_64/kernel/setup.c | 6 ++++++ arch/x86_64/kernel/smpboot.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) (limited to 'arch/x86_64/kernel') diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 9435ab7d6fb..5de7eaf5d97 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -423,6 +423,12 @@ static __init void parse_cmdline_early (char ** cmdline_p) else if(!memcmp(from, "elfcorehdr=", 11)) elfcorehdr_addr = memparse(from+11, &from); #endif + +#ifdef CONFIG_SMP + else if (!memcmp(from, "additional_cpus=", 16)) + setup_additional_cpus(from+16); +#endif + next_char: c = *(from++); if (!c) diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 67e4e28f4df..b82eb86e4f5 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -1244,7 +1244,7 @@ void __cpu_die(unsigned int cpu) printk(KERN_ERR "CPU %u didn't die...\n", cpu); } -static __init int setup_additional_cpus(char *s) +__init int setup_additional_cpus(char *s) { return get_option(&s, &additional_cpus); } -- cgit v1.2.3