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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f0766440dd
Simply stitch these together. There are just two definitions that are shared but the file is resonably small and putting these things together shows that further unifications requires a unification of the per cpu / pda handling between both arches. Signed-off-by: Christoph Lameter <clameter@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
40 lines
693 B
C
40 lines
693 B
C
#ifndef _X86_CURRENT_H
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#define _X86_CURRENT_H
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#ifdef CONFIG_X86_32
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#include <linux/compiler.h>
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#include <asm/percpu.h>
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struct task_struct;
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DECLARE_PER_CPU(struct task_struct *, current_task);
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static __always_inline struct task_struct *get_current(void)
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{
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return x86_read_percpu(current_task);
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}
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#else /* X86_32 */
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#ifndef __ASSEMBLY__
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#include <asm/pda.h>
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struct task_struct;
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static __always_inline struct task_struct *get_current(void)
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{
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return read_pda(pcurrent);
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}
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#else /* __ASSEMBLY__ */
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#include <asm/asm-offsets.h>
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#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
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#endif /* __ASSEMBLY__ */
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#endif /* X86_32 */
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#define current get_current()
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#endif /* X86_CURRENT_H */
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