Date: Mon, 30 Nov 2020 16:04:31 +0100 From: Michal Meloun <meloun.michal@gmail.com> To: Michael Tuexen <tuexen@freebsd.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r368167 - head/sys/dev/nvme Message-ID: <366bcdc5-4b81-2bad-d565-6bf76d904a11@freebsd.org> In-Reply-To: <8A805005-1EB5-477E-B8EA-003F91A9B337@freebsd.org> References: <202011300701.0AU71CWr006435@repo.freebsd.org> <8A805005-1EB5-477E-B8EA-003F91A9B337@freebsd.org>
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On 30.11.2020 11:35, Michael Tuexen wrote: >> On 30. Nov 2020, at 08:01, Michal Meloun <mmel@FreeBSD.org> wrote: >> >> Author: mmel >> Date: Mon Nov 30 07:01:12 2020 >> New Revision: 368167 >> URL: https://svnweb.freebsd.org/changeset/base/368167 >> >> Log: >> NVME: Don't try to swap data on little endian machines. >> These swapping functions violate BUSDMA contract - we cannot write >> to armed (by bus_dmamap_sync(PRE_..)) buffers. Remove them at least >> from little endian machines until a better solution will be developed. > This breaks building libsysdecode on a little endian (amd64) system: > Fixed in r368187. Sorry for troubles. Michal
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