diff options
| author | Ravikiran G Thirumalai <kiran@scalex86.org> | 2006-01-11 22:43:57 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-11 19:04:53 -0800 |
| commit | c11efdf94d3152443c11334720824bb6c7f6c655 (patch) | |
| tree | d4185d8de8b855aca51b6bec730aeab3342e2a0f /arch/x86_64/kernel/smpboot.c | |
| parent | bb33421dde79f9a36d5485c56335ff178ac7d268 (diff) | |
[PATCH] x86_64: Align and pad x86_64 GDT on page boundary
This patch is on the same lines as Zachary Amsden's i386 GDT page alignemnt
patch in -mm, but for x86_64.
Patch to align and pad x86_64 GDT on page boundries.
[AK: some minor cleanups and fixed incorrect TLS initialization
in CPU init.]
Signed-off-by: Nippun Goel <nippung@calsoftinc.com>
Signed-off-by: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/kernel/smpboot.c')
| -rw-r--r-- | arch/x86_64/kernel/smpboot.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index f513dacc177..e6af93b51dc 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -744,6 +744,13 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid) }; DECLARE_WORK(work, do_fork_idle, &c_idle); + /* allocate memory for gdts of secondary cpus. Hotplug is considered */ + if (!cpu_gdt_descr[cpu].address && + !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { + printk(KERN_ERR "Failed to allocate GDT for CPU %d\n", cpu); + return -1; + } + c_idle.idle = get_idle_for_cpu(cpu); if (c_idle.idle) { |