Re: [PATCH 3/4] ptrace: remove PT_DTRACE from m68k, m68knommu

[Andreas Schwab]

Oleg Nesterov <oleg@xxxxxxxxxx> writes:

> m68k sets PT_DTRACE in trap_c() but never uses it.
>
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
>
>  arch/m68k/kernel/traps.c            |    1 -
>  arch/m68knommu/kernel/asm-offsets.c |    1 -
>  arch/m68knommu/kernel/traps.c       |    1 -
>  3 files changed, 3 deletions(-)
>
> --- PTRACE/arch/m68k/kernel/traps.c~DT_3_SET	2009-04-06 00:03:35.000000000 +0200
> +++ PTRACE/arch/m68k/kernel/traps.c	2009-04-22 21:52:23.000000000 +0200
> @@ -1057,7 +1057,6 @@ asmlinkage void trap_c(struct frame *fp)
>  	if (fp->ptregs.sr & PS_S) {
>  		if ((fp->ptregs.vector >> 2) == VEC_TRACE) {
>  			/* traced a trapping instruction */
> -			current->ptrace |= PT_DTRACE;

This is supposed to be setting the TIF_DELAYED_TRACE thread flag.

Andreas.

-- 
Andreas Schwab, schwab@xxxxxxxxxxxxxx
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