Date: Sat, 16 Jan 2021 10:27:19 +0900 (JST) From: Yasuhiro Kimura <yasu@utahime.org> To: freebsd-current@freebsd.org Subject: Re: WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD 13.0. Message-ID: <20210116.102719.1630989089697423209.yasu@utahime.org> In-Reply-To: <830577E4-E287-483F-BFF0-A708041B90F7@yahoo.com>
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From: Mark Millard <marklmi@yahoo.com>
Subject: Re: WARNING: Device "kbd" is Giant locked and may be deleted before FreeBSD 13.0.
Date: Fri, 15 Jan 2021 16:54:26 -0800
> Other examples for the general type of question . . .
>
>
> For example, various aarch64, armv7, and powerpc*:
>
> WARNING: Device "openfirm" is Giant locked and may be deleted before
> FreeBSD 13.0.
>
>
> RPi4B and RPi3B:
>
> WARNING: Device "fb" is Giant locked and may be deleted before FreeBSD 13.0.
>
>
> powerpc (old PowerMac G4):
>
> WARNING: Device "agp" is Giant locked and may be deleted before FreeBSD
> 13.0.
>
> WARNING: Device "consolectl" is Giant locked and may be deleted before
> FreeBSD 13.0.
>
>
> Note: FreeBSD has boot problems for various powerpc64 and 32-bit
> powerpc PowerMacs, so some material is from somewhat older vintages
> of 13. (I've not looked at the old PowerMac G3 at all for this.)
Following files are the source of this warning messages.
yasu@rolling-vm-freebsd1[1009]% git grep -F D_NEEDGIANT
sys/cam/scsi/scsi_target.c: .d_flags = D_NEEDGIANT,
sys/contrib/ipfilter/netinet/mlfk_ipl.c: .d_flags = 0, /* D_NEEDGIANT - Should be SMP safe */
sys/dev/adlink/adlink.c: .d_flags = D_NEEDGIANT,
sys/dev/agp/agp.c: .d_flags = D_NEEDGIANT,
sys/dev/amr/amr.c: .d_flags = D_NEEDGIANT,
sys/dev/atkbdc/psm.c: .d_flags = D_NEEDGIANT,
sys/dev/ce/if_ce.c: .d_flags = D_NEEDGIANT,
sys/dev/fb/fb.c: .d_flags = D_NEEDGIANT,
sys/dev/fb/fbd.c: .d_flags = D_NEEDGIANT,
sys/dev/kbd/kbd.c: .d_flags = D_NEEDGIANT,
sys/dev/ofw/openfirmio.c: .d_flags = D_NEEDGIANT,
sys/dev/ofw/openpromio.c: .d_flags = D_NEEDGIANT,
sys/dev/pbio/pbio.c: .d_flags = D_NEEDGIANT,
sys/dev/speaker/spkr.c: .d_flags = D_NEEDGIANT,
sys/dev/syscons/syscons.c: .d_flags = D_NEEDGIANT | D_TRACKCLOSE,
sys/dev/tdfx/tdfx_pci.c: .d_flags = D_NEEDGIANT,
sys/dev/tpm/tpm.c: .d_flags = D_NEEDGIANT,
sys/dev/vkbd/vkbd.c: .d_flags = D_NEEDGIANT | D_NEEDMINOR,
sys/i386/bios/smapi.c: .d_flags = D_NEEDGIANT,
sys/i386/i386/elan-mmcr.c: .d_flags = D_NEEDGIANT,
sys/i386/i386/perfmon.c: .d_flags = D_NEEDGIANT,
sys/isa/vga_isa.c: .d_flags = D_NEEDGIANT,
sys/kern/kern_conf.c: if (devsw->d_flags & D_NEEDGIANT) {
sys/kern/kern_conf.c: if (devsw->d_flags & D_NEEDGIANT) {
sys/kern/kern_conf.c: } else if (devsw->d_flags & D_NEEDGIANT) \
sys/sys/conf.h:#define D_NEEDGIANT 0x00400000 /* driver want Giant */
yasu@rolling-vm-freebsd1[1010]%
---
Yasuhiro Kimura
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