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988ec8841c
No more users of the struct stack_trace based interfaces. Remove them. Remove the macro stubs for !CONFIG_STACKTRACE as well as they are pointless because the storage on the call sites is conditional on CONFIG_STACKTRACE already. No point to be 'smart'. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Alexander Potapenko <glider@google.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: linux-mm@kvack.org Cc: David Rientjes <rientjes@google.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: kasan-dev@googlegroups.com Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Cc: Akinobu Mita <akinobu.mita@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: iommu@lists.linux-foundation.org Cc: Robin Murphy <robin.murphy@arm.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: David Sterba <dsterba@suse.com> Cc: Chris Mason <clm@fb.com> Cc: Josef Bacik <josef@toxicpanda.com> Cc: linux-btrfs@vger.kernel.org Cc: dm-devel@redhat.com Cc: Mike Snitzer <snitzer@redhat.com> Cc: Alasdair Kergon <agk@redhat.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: intel-gfx@lists.freedesktop.org Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: dri-devel@lists.freedesktop.org Cc: David Airlie <airlied@linux.ie> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Cc: Tom Zanussi <tom.zanussi@linux.intel.com> Cc: Miroslav Benes <mbenes@suse.cz> Cc: linux-arch@vger.kernel.org Link: https://lkml.kernel.org/r/20190425094803.524796783@linutronix.de
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __LINUX_STACKTRACE_H
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#define __LINUX_STACKTRACE_H
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#include <linux/types.h>
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#include <asm/errno.h>
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struct task_struct;
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struct pt_regs;
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#ifdef CONFIG_STACKTRACE
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void stack_trace_print(unsigned long *trace, unsigned int nr_entries,
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int spaces);
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int stack_trace_snprint(char *buf, size_t size, unsigned long *entries,
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unsigned int nr_entries, int spaces);
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unsigned int stack_trace_save(unsigned long *store, unsigned int size,
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unsigned int skipnr);
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unsigned int stack_trace_save_tsk(struct task_struct *task,
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unsigned long *store, unsigned int size,
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unsigned int skipnr);
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unsigned int stack_trace_save_regs(struct pt_regs *regs, unsigned long *store,
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unsigned int size, unsigned int skipnr);
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unsigned int stack_trace_save_user(unsigned long *store, unsigned int size);
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/* Internal interfaces. Do not use in generic code */
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struct stack_trace {
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unsigned int nr_entries, max_entries;
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unsigned long *entries;
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int skip; /* input argument: How many entries to skip */
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};
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extern void save_stack_trace(struct stack_trace *trace);
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extern void save_stack_trace_regs(struct pt_regs *regs,
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struct stack_trace *trace);
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extern void save_stack_trace_tsk(struct task_struct *tsk,
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struct stack_trace *trace);
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extern int save_stack_trace_tsk_reliable(struct task_struct *tsk,
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struct stack_trace *trace);
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extern void save_stack_trace_user(struct stack_trace *trace);
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#endif /* CONFIG_STACKTRACE */
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#if defined(CONFIG_STACKTRACE) && defined(CONFIG_HAVE_RELIABLE_STACKTRACE)
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int stack_trace_save_tsk_reliable(struct task_struct *tsk, unsigned long *store,
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unsigned int size);
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#else
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static inline int stack_trace_save_tsk_reliable(struct task_struct *tsk,
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unsigned long *store,
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unsigned int size)
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{
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return -ENOSYS;
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}
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#endif
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#endif /* __LINUX_STACKTRACE_H */
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