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68db0cf106
We are going to split <linux/sched/task_stack.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/task_stack.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
44 lines
1006 B
C
44 lines
1006 B
C
#ifndef _LINUX_PERF_REGS_H
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#define _LINUX_PERF_REGS_H
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#include <linux/sched/task_stack.h>
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struct perf_regs {
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__u64 abi;
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struct pt_regs *regs;
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};
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#ifdef CONFIG_HAVE_PERF_REGS
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#include <asm/perf_regs.h>
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u64 perf_reg_value(struct pt_regs *regs, int idx);
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int perf_reg_validate(u64 mask);
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u64 perf_reg_abi(struct task_struct *task);
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void perf_get_regs_user(struct perf_regs *regs_user,
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struct pt_regs *regs,
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struct pt_regs *regs_user_copy);
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#else
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static inline u64 perf_reg_value(struct pt_regs *regs, int idx)
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{
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return 0;
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}
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static inline int perf_reg_validate(u64 mask)
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{
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return mask ? -ENOSYS : 0;
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}
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static inline u64 perf_reg_abi(struct task_struct *task)
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{
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return PERF_SAMPLE_REGS_ABI_NONE;
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}
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static inline void perf_get_regs_user(struct perf_regs *regs_user,
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struct pt_regs *regs,
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struct pt_regs *regs_user_copy)
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{
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regs_user->regs = task_pt_regs(current);
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regs_user->abi = perf_reg_abi(current);
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}
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#endif /* CONFIG_HAVE_PERF_REGS */
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#endif /* _LINUX_PERF_REGS_H */
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