From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Breuer Date: Wed, 10 Nov 2004 05:59:34 +0000 Subject: Re: Fix for HyperSPARC DMA errors Message-Id: <4191AFDE.1090909@mc.net> List-Id: References: <419188A0.3010307@mc.net> In-Reply-To: <419188A0.3010307@mc.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org Should probably test for hypersparc so it doesn't slow down the non-hypersparcs. BTW, I had tried __flush_page_to_ram as used in iommu_map_dma_area, but that didn't work. Might flush_cache_range or something similar work? David S. Miller wrote: > On Tue, 9 Nov 2004 21:23:29 -0800 > William Lee Irwin III wrote: > > >>Bob, how do you feel about your arch/sparc/mm/iommu.c flush_cache_all() >>hack? Would you prefer to have that in mainline for the time being, or >>would you rather wait until you devise a better solution? > > > I think even this part of Bob's patch should just go in. > At worst it will slow things down for people, and it will > fix real bugs for people. > - > To unsubscribe from this list: send the line "unsubscribe sparclinux" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > >