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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:23:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:23:53 -0700 |
commit | ebc8eca169be0283d5a7ab54c4411dd59cfb0f27 (patch) | |
tree | 831f6d577da3469e3154bf29409281c640bb67df /include/linux/ftrace.h | |
parent | x86: fix mismerge in arch/x86/include/asm/timer.h (diff) | |
parent | Merge commit 'origin/master' into next (diff) | |
download | linux-dev-ebc8eca169be0283d5a7ab54c4411dd59cfb0f27.tar.xz linux-dev-ebc8eca169be0283d5a7ab54c4411dd59cfb0f27.zip |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (180 commits)
powerpc: clean up ssi.txt, add definition for fsl,ssi-asynchronous
powerpc/85xx: Add support for the "socrates" board (MPC8544).
powerpc: Fix bugs introduced by sysfs changes
powerpc: Sanitize stack pointer in signal handling code
powerpc: Add write barrier before enabling DTL flags
powerpc/83xx: Update ranges in gianfar node to match other dts
powerpc/86xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/85xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/83xx: Move gianfar mdio nodes under the ethernet nodes
powerpc/83xx: Add power management support for MPC837x boards
powerpc/mm: Introduce early_init_mmu() on 64-bit
powerpc/mm: Add option for non-atomic PTE updates to ppc64
powerpc/mm: Fix printk type warning in mmu_context_nohash
powerpc/mm: Rename arch/powerpc/kernel/mmap.c to mmap_64.c
powerpc/mm: Merge various PTE bits and accessors definitions
powerpc/mm: Tweak PTE bit combination definitions
powerpc/cell: Fix iommu exception reporting
powerpc/mm: e300c2/c3/c4 TLB errata workaround
powerpc/mm: Used free register to save a few cycles in SW TLB miss handling
powerpc/mm: Remove unused register usage in SW TLB miss handling
...
Diffstat (limited to 'include/linux/ftrace.h')
-rw-r--r-- | include/linux/ftrace.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 677432b9cb7e..a7f8134c594e 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -380,6 +380,30 @@ struct ftrace_graph_ret { #ifdef CONFIG_FUNCTION_GRAPH_TRACER /* + * Stack of return addresses for functions + * of a thread. + * Used in struct thread_info + */ +struct ftrace_ret_stack { + unsigned long ret; + unsigned long func; + unsigned long long calltime; +}; + +/* + * Primary handler of a function return. + * It relays on ftrace_return_to_handler. + * Defined in entry_32/64.S + */ +extern void return_to_handler(void); + +extern int +ftrace_push_return_trace(unsigned long ret, unsigned long long time, + unsigned long func, int *depth); +extern void +ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret); + +/* * Sometimes we don't want to trace a function with the function * graph tracer but we want them to keep traced by the usual function * tracer if the function graph tracer is not configured. |