mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
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
|
|
*
|
|
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public Licence
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the Licence, or (at your option) any later version.
|
|
*/
|
|
#ifndef _ASM_IRQ_REGS_H
|
|
#define _ASM_IRQ_REGS_H
|
|
|
|
/*
|
|
* Per-cpu current frame pointer - the location of the last exception frame on
|
|
* the stack
|
|
*/
|
|
#define ARCH_HAS_OWN_IRQ_REGS
|
|
|
|
#ifndef __ASSEMBLY__
|
|
static inline __attribute__((const))
|
|
struct pt_regs *get_irq_regs(void)
|
|
{
|
|
return current_frame();
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASM_IRQ_REGS_H */
|