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x86-64: Move current task from PDA to per-cpu and consolidate with 32-bit.

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Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Brian Gerst 2009-01-19 00:38:58 +09:00 • committed by Tejun Heo
commit c6f5e0acd5
9 changed files with 15 additions and 36 deletions
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4
arch/x86/include/asm/pda.h
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@ -11,8 +11,8 @@
/* Per processor datastructure. %gs points to it while the kernel runs */
struct x8664_pda {
struct task_struct *pcurrent; /* 0 Current process */
unsigned long dummy;
unsigned long unused1;
unsigned long unused2;
unsigned long kernelstack; /* 16 top of kernel stack for current */
unsigned long oldrsp; /* 24 user rsp for system call */
int irqcount; /* 32 Irq nesting counter. Starts -1 */