Date: Sun, 11 Aug 2013 19:04:48 +0200 From: Zbigniew Bodek <zbb@semihalf.com> To: Olivier Houchard <cognet@ci0.org> Cc: svn-src-all@freebsd.org, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: svn commit: r254061 - head/sys/arm/arm Message-ID: <CAG7dG%2Bwi7XKLGc6rdErpteQpLWxX6ZSg69dh70-aeiW6Y4gMWw@mail.gmail.com> In-Reply-To: <20130811154244.GA92775@ci0.org> References: <201308071544.r77FiwMK072982@svn.freebsd.org> <CAG7dG%2BzmvQ0BcnnOfeQaLv9q7BEKEWLhJeXm1Q6yL2djH3fwZA@mail.gmail.com> <20130811154244.GA92775@ci0.org>
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2013/8/11 Olivier Houchard <cognet@ci0.org> > On Sat, Aug 10, 2013 at 04:50:36PM +0200, Zbigniew Bodek wrote: > > 2013/8/7 Olivier Houchard <cognet@freebsd.org> > > > > > Author: cognet > > > Date: Wed Aug 7 15:44:58 2013 > > > New Revision: 254061 > > > URL: http://svnweb.freebsd.org/changeset/base/254061 > > > > > > Log: > > > Don't bother trying to work around buffers which are not aligned on a > > > cache > > > line boundary. It has never been 100% correct, and it can't work on > SMP, > > > because nothing prevents another core from accessing data from an > > > unrelated > > > buffer in the same cache line while we invalidated it. Just use > bounce > > > pages > > > instead. > > > > > > Reviewed by: ian > > > Approved by: mux (mentor) (implicit) > > > > > > Modified: > > > head/sys/arm/arm/busdma_machdep-v6.c > > > > > > > > Hello Olivier, > > > > While continuing rebase of my work to the current HEAD I encountered > > another problem regarding the PCIe NIC this time. > > > > I'm using Realtek card and starting from this revision Rx buffers cannot > be > > allocated for my device. > > Please check out the message below: > > Hi Zbigniew, > > Can you test the attached patch (largely untested, I'm afraid I'm on > vacations, far away from my arm boards), to see if it helps ? > > Regards, > > Olivier > > Hello Olivier, The patch that you've sent helps for the issue. Thank you very much and have a nice vacation. Best regards Zbyszek Bodek
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