Re: [PATCH 21/40] OpenRISC: Don't reimplement force_sigsegv()

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Acked-by: Jonas Bonn <jonas@xxxxxxxxxxxx>

...for OpenRISC, all 4 patches (20-23 in this series).

Should I take these in the OpenRISC tree or how did you want to do?

/Jonas

On Tue, 2012-02-14 at 11:40 +0000, Matt Fleming wrote:
> From: Matt Fleming <matt.fleming@xxxxxxxxx>
> 
> Instead of open coding the sequence from force_sigsegv() just call
> it. This also fixes a bug because we were modifying ka->sa.sa_handler
> (which is a copy of sighand->action[]), whereas the intention of the
> code was to modify sighand->action[] directly.
> 
> As the original code was working with a copy it had no effect on
> signal delivery.
> 
> Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Jonas Bonn <jonas@xxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux@xxxxxxxxxxxxxxxxxx
> Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx>
> ---
>  arch/openrisc/kernel/signal.c |    4 +---
>  1 files changed, 1 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
> index 95207ab..53741ba 100644
> --- a/arch/openrisc/kernel/signal.c
> +++ b/arch/openrisc/kernel/signal.c
> @@ -250,9 +250,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
>  	return;
>  
>  give_sigsegv:
> -	if (sig == SIGSEGV)
> -		ka->sa.sa_handler = SIG_DFL;
> -	force_sig(SIGSEGV, current);
> +	force_sigsegv(sig, current);
>  }
>  
>  static inline void

-- 
Jonas Bonn                       South Pole AB
Phone : +46-8-56237100           Anderstorpsvägen 16
Mobile: +46-768-527755           SE-17154 Solna
jonas@xxxxxxxxxxxx               www.southpoleconsulting.com





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