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authorAshok Raj <ashok.raj@intel.com>2005-11-11 14:32:40 -0800
committerTony Luck <tony.luck@intel.com>2006-01-05 10:24:20 -0800
commitff741906ad3cf4b8ca1a958acb013a97a6381ca2 (patch)
tree66a4c2dbacd4c10015824a6789f9206693003092 /arch/ia64/mm/contig.c
parentdb9edfd7e339ca4113153d887e782dd05be5a9eb (diff)
downloadlinux-2.6.38-lt-ux500-ff741906ad3cf4b8ca1a958acb013a97a6381ca2.tar.gz
[IA64] support for cpu0 removal
here is the BSP removal support for IA64. Its pretty much the same thing that was released a while back, but has your feedback incorporated. - Removed CONFIG_BSP_REMOVE_WORKAROUND and associated cmdline param - Fixed compile issue with sn2/zx1 due to a undefined fix_b0_for_bsp - some formatting nits (whitespace etc) This has been tested on tiger and long back by alex on hp systems as well. Signed-off-by: Ashok Raj <ashok.raj@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/mm/contig.c')
-rw-r--r--arch/ia64/mm/contig.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index acaaec4e468..9855ba31809 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -181,13 +181,15 @@ per_cpu_init (void)
{
void *cpu_data;
int cpu;
+ static int first_time=1;
/*
* get_free_pages() cannot be used before cpu_init() done. BSP
* allocates "NR_CPUS" pages for all CPUs to avoid that AP calls
* get_zeroed_page().
*/
- if (smp_processor_id() == 0) {
+ if (first_time) {
+ first_time=0;
cpu_data = __alloc_bootmem(PERCPU_PAGE_SIZE * NR_CPUS,
PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
for (cpu = 0; cpu < NR_CPUS; cpu++) {