7c7fcf762e
Save the current exception frame pointer in the thread_info struct rather than in a global variable as the latter makes SMP tricky, especially when preemption is also enabled. This also replaces __frame with current_frame() and rearranges header file inclusions to make it all compile. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
29 lines
751 B
C
29 lines
751 B
C
/* MN10300 IRQ registers pointer definition
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_IRQ_REGS_H
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#define _ASM_IRQ_REGS_H
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/*
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* Per-cpu current frame pointer - the location of the last exception frame on
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* the stack
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*/
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#define ARCH_HAS_OWN_IRQ_REGS
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#ifndef __ASSEMBLY__
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static inline __attribute__((const))
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struct pt_regs *get_irq_regs(void)
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{
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return current_frame();
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}
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#endif
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#endif /* _ASM_IRQ_REGS_H */
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