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SubjectRe: [PATCH v2 01/13] uprobes: move function declarations out of arch
On 11/05, Oleg Nesterov wrote:
>
> On 10/15, David Long wrote:
> >
> > Move the function declarations from the arch header to the common
> > header, since only the function bodies are architecture-specific.
> > These changes are from Vincent Rabin's uprobes patch.
>
> Hmm. I didn't look at this patch because I thought it is obviously
> fine, but...
>
> > arch/x86/include/asm/uprobes.h | 7 -------
> > include/linux/uprobes.h | 8 ++++++++
> > 2 files changed, 8 insertions(+), 7 deletions(-)
>
> it should also update arch/powerpc/include/asm/uprobes.h ?
>
> And 12/13 should not touch arch/powerpc/ or include/linux/uprobes.h.

And I think we can merge this change separately to reduce the
number of non-arm changes in the next version.

Please see the patch I am going to add to my tree below.

Oleg.
---

Subject: [PATCH] uprobes: move function declarations out of arch
From: David A. Long <dave.long@linaro.org>
Date: Tue, 15 Oct 2013 17:04:16 -0400

Move the function declarations from the arch headers to the common
header, since only the function bodies are architecture-specific.
These changes are from Vincent Rabin's uprobes patch.

[ oleg: update arch/powerpc/include/asm/uprobes.h ]

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: David A. Long <dave.long@linaro.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
arch/powerpc/include/asm/uprobes.h | 7 -------
arch/x86/include/asm/uprobes.h | 7 -------
include/linux/uprobes.h | 8 ++++++++
3 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h
index 541fd6f..75c6ecd 100644
--- a/arch/powerpc/include/asm/uprobes.h
+++ b/arch/powerpc/include/asm/uprobes.h
@@ -46,11 +46,4 @@ struct arch_uprobe_task {
unsigned long saved_trap_nr;
};

-extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
-extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
-extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
-extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
#endif /* _ASM_UPROBES_H */
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h
index 2a24180..3087ea9 100644
--- a/arch/x86/include/asm/uprobes.h
+++ b/arch/x86/include/asm/uprobes.h
@@ -52,11 +52,4 @@ struct arch_uprobe_task {
unsigned int saved_tf;
};

-extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
-extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
-extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
-extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
-extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
#endif /* _ASM_UPROBES_H */
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 06f28be..9fd60c5 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -30,6 +30,7 @@
struct vm_area_struct;
struct mm_struct;
struct inode;
+struct notifier_block;

#ifdef CONFIG_ARCH_SUPPORTS_UPROBES
# include <asm/uprobes.h>
@@ -125,6 +126,13 @@ extern void uprobe_notify_resume(struct pt_regs *regs);
extern bool uprobe_deny_signal(void);
extern bool __weak arch_uprobe_skip_sstep(struct arch_uprobe *aup, struct pt_regs *regs);
extern void uprobe_clear_state(struct mm_struct *mm);
+extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr);
+extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
+extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
+extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
+extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
#else /* !CONFIG_UPROBES */
struct uprobes_state {
};
--
1.5.5.1



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