Hi,
Well, I'm wondering why the original author of this FIXME comment
didn't fix the issue him/herself. Can you track down who added this
comment? I fear that this simple comment was actually here to point to
something more subtle...
Émeric
2014-07-18 7:25 GMT+02:00 Nicholas Krause <[email protected]>:
> The function user_stack_pointer was not returning the correct value \
> as stated by a Fix Me message before the function declaration. I
> fixed the return value to add register r8 as that register stores
> dirty pages.
>
> Signed-off-by: Nicholas Krause <[email protected]>
> ---
> arch/ia64/include/asm/ptrace.h | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
> index 8451439..eaef692 100644
> --- a/arch/ia64/include/asm/ptrace.h
> +++ b/arch/ia64/include/asm/ptrace.h
> @@ -53,8 +53,7 @@
>
> static inline unsigned long user_stack_pointer(struct pt_regs *regs)
> {
> - /* FIXME: should this be bspstore + nr_dirty regs? */
> - return regs->ar_bspstore;
> + return regs->ar_bspstore + regs->r8;
> }
>
> static inline int is_syscall_success(struct pt_regs *regs)
> --
> 1.9.1
>
> --
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