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Date: Fri, 22 Jan 2010 10:11:25 +0900 From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> To: monstr@...str.eu Cc: linux-kernel@...r.kernel.org, michal.simek@...alogix.com, arnd@...db.de, linux-arch@...r.kernel.org, fujita.tomonori@....ntt.co.jp, akpm@...ux-foundation.org, mingo@...e.hu, joerg.roedel@....com Subject: Re: [PATCH] asm-generic: dma: Add BUG_ON for uninitialized dma_ops On Wed, 20 Jan 2010 11:08:31 +0100 monstr@...str.eu wrote: > From: Michal Simek <monstr@...str.eu> > > Check that dma_ops are initialized correctly. Without this > checking you get kernel fault and you don't know where the problem is. Hmm, dma_ops is initialized in early architecture-specific boot-up code. We don't change it often. I don't think that we need much time to find where problems are. The benefit is insufficient to justify the overhead. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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