linux-kernel - Re: [PATCH 8/8] sparc: add CONFIG_DMA_API

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 16 Jul 2009 19:39:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	fujita.tomonori@....ntt.co.jp
Cc:	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
	reif@...thlink.net, x86@...nel.org, tony.luck@...el.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH 8/8] sparc: add CONFIG_DMA_API_DEBUG support

From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Date: Mon, 13 Jul 2009 15:26:00 +0900

> All we need to do for CONFIG_DMA_API_DEBUG support is call
> dma_debug_init() in DMA code common for SPARC32 and SPARC64.
> 
> Now SPARC32 uses two dma_map_ops structures for pci and sbus so there
> is not much dma stuff for SPARC32 in kernel/dma.c. kernel/ioport.c
> also includes dma stuff for SPARC32. So let's put all the dma stuff
> for SPARC32 in kernel/ioport.c and make kernel/dma.c common for
> SPARC32 and SPARC64.
> 
> Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>

ACK, we just need to tweak that illegal DMA address check so
that it doesn't erroneously trigger on sparc32.
--
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/