Date: Thu, 21 Aug 2008 14:05:02 -0700 (PDT)
Message-Id: <20080821.140502.146697690.davem@davemloft.net>
To: galak@kernel.crashing.org
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] math-emu: Add support for reporting exact invalid
 exception
From: David Miller <davem@davemloft.net>
In-Reply-To: <1219323021-7273-2-git-send-email-galak@kernel.crashing.org>
References: <1219323021-7273-1-git-send-email-galak@kernel.crashing.org>
	<1219323021-7273-2-git-send-email-galak@kernel.crashing.org>
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From: Kumar Gala <galak@kernel.crashing.org>
Date: Thu, 21 Aug 2008 07:50:21 -0500

> Some architectures (like powerpc) provide status information on the exact
> type of invalid exception.  This is pretty straight forward as we already
> report invalid exceptions via FP_SET_EXCEPTION.
> 
> We add new flags (FP_EX_INVALID_*) the architecture code can define if it
> wants the exact invalid exception reported.
> 
> We had to split out the INF/INF and 0/0 cases for divide to allow reporting
> the two invalid forms properly.
> 
> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

Acked-by: David S. Miller <davem@davemloft.net>
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