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authorBrian Gerst <brgerst@gmail.com>2009-01-19 00:38:58 +0900
committerTejun Heo <tj@kernel.org>2009-01-19 00:38:58 +0900
commit9af45651f1f7c89942e016a1a00a7ebddfa727f8 (patch)
treea22617474a2a62bc816b97c9156c5a2fc9a566b3 /arch/x86/kernel/smpboot.c
parentc6f5e0acd5d12ee23f701f15889872e67b47caa6 (diff)
downloadblackbird-op-linux-9af45651f1f7c89942e016a1a00a7ebddfa727f8.tar.gz
blackbird-op-linux-9af45651f1f7c89942e016a1a00a7ebddfa727f8.zip
x86-64: Move kernelstack from PDA to per-cpu.
Also clean up PER_CPU_VAR usage in xen-asm_64.S tj: * remove now unused stack_thread_info() * s/kernelstack/kernel_stack/ * added FIXME comment in xen-asm_64.S Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 5854be0fb804..869b98840fd0 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -798,6 +798,9 @@ do_rest:
#else
clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
initial_gs = per_cpu_offset(cpu);
+ per_cpu(kernel_stack, cpu) =
+ (unsigned long)task_stack_page(c_idle.idle) -
+ KERNEL_STACK_OFFSET + THREAD_SIZE;
#endif
early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
initial_code = (unsigned long)start_secondary;
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