linux-kernel - Re: [PATCH 1/2] sparc: Make SA_NOMASK a synonym of SA

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Date:	Thu, 22 Dec 2011 19:02:43 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Matt Fleming <matt@...sole-pimps.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	linux-kernel@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>,
	sparclinux@...r.kernel.org
Subject: Re: [PATCH 1/2] sparc: Make SA_NOMASK a synonym of SA_NODEFER

On 12/21, Matt Fleming wrote:
>
> Unlike other architectures, sparc currently has no SA_NODEFER
> definition but only the older SA_NOMASK. Since SA_NOMASK is the
> historical name for SA_NODEFER, add SA_NODEFER and copy what other
> architectures do by making SA_NOMASK a synonym for SA_NODEFER.

Without this patch arch/sparc can't use the new helper from 2/2

Acked-by: Oleg Nesterov <oleg@...hat.com>

> Cc: Oleg Nesterov <oleg@...hat.com>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: sparclinux@...r.kernel.org
> Signed-off-by: Matt Fleming <matt.fleming@...el.com>
> ---
>  arch/sparc/include/asm/signal.h |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
> index e49b828..aa42fe3 100644
> --- a/arch/sparc/include/asm/signal.h
> +++ b/arch/sparc/include/asm/signal.h
> @@ -143,10 +143,11 @@ struct sigstack {
>  #define SA_ONSTACK	_SV_SSTACK
>  #define SA_RESTART	_SV_INTR
>  #define SA_ONESHOT	_SV_RESET
> -#define SA_NOMASK	0x20u
> +#define SA_NODEFER	0x20u
>  #define SA_NOCLDWAIT    0x100u
>  #define SA_SIGINFO      0x200u
>  
> +#define SA_NOMASK	SA_NODEFER
>  
>  #define SIG_BLOCK          0x01	/* for blocking signals */
>  #define SIG_UNBLOCK        0x02	/* for unblocking signals */
> -- 
> 1.7.4.4
> 

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