Date: Fri, 16 Nov 2018 23:52:09 +0100 From: Jan Beich <jbeich@FreeBSD.org> To: Brooks Davis <brooks@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r338990 - in head/sys: compat/freebsd32 dev/pci Message-ID: <7ehc-y6sm-wny@FreeBSD.org> References: <201809272108.w8RL8Xqn052122@repo.freebsd.org>
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Brooks Davis <brooks@FreeBSD.org> writes: > Author: brooks > Date: Thu Sep 27 21:08:32 2018 > New Revision: 338990 > URL: https://svnweb.freebsd.org/changeset/base/338990 > > Log: > Centralize compat support for PCIOCGETCONF. > > The pre-7.x compat for both native and 32-bit code was already in > pci_user.c. Use this infrastructure to add implement 32-bit support. > This is more correct as ioctl(2) commands only have meaning in the > context of a file descriptor. > > Reviewed by: kib > Approved by: re (gjb) > Obtained from: CheriBSD > Sponsored by: DARPA, AFRL > Differential revision: https://reviews.freebsd.org/D17324 After this commit getdevice() from pciconf(8) and pci_find_conf() in tools/tools/dmardump/dmardump.c always fail in EPERM in -m32 mode. Found via graphics/libdrm where PCIOCGETCONF is used to get a list of DRM devices for use by OpenGL/Vulkan/VAAPI userland drivers. Can you fix the regression before 12.0R or back the commit out? https://lists.freebsd.org/pipermail/freebsd-current/2018-November/072144.html
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