"call __switch_to\n\t" \
".globl thread_return\n" \
"thread_return:\n\t" \
- "movq %%gs:%P[pda_pcurrent],%%rsi\n\t" \
+ "movq "__percpu_arg([current_task])",%%rsi\n\t" \
"movq %P[task_canary](%%rsi),%%r8\n\t" \
"movq %%r8,%%gs:%P[pda_canary]\n\t" \
"movq %P[thread_info](%%rsi),%%r8\n\t" \
[tif_fork] "i" (TIF_FORK), \
[thread_info] "i" (offsetof(struct task_struct, stack)), \
[task_canary] "i" (offsetof(struct task_struct, stack_canary)),\
- [pda_pcurrent] "i" (offsetof(struct x8664_pda, pcurrent)), \
+ [current_task] "m" (per_cpu_var(current_task)), \
[pda_canary] "i" (offsetof(struct x8664_pda, stack_canary))\
: "memory", "cc" __EXTRA_CLOBBER)
#endif