Date: Wed, 7 Jul 2010 14:39:20 -0700 From: Garrett Cooper <yanefbsd@gmail.com> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: freebsd-stable@freebsd.org, tom@hur.st, re@freebsd.org, freebsd-usb@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: 8.x grudges Message-ID: <AANLkTikdJ39LiaFfibdwkFa1VgT4w7M8tOXeVJYkHF_W@mail.gmail.com> In-Reply-To: <4C34E0E6.9070801@aldan.algebra.com> References: <4C34C5DE.7040007@aldan.algebra.com> <20100707185928.GA16180@icarus.home.lan> <4C34E0E6.9070801@aldan.algebra.com>
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On Wed, Jul 7, 2010 at 1:17 PM, Mikhail T. <mi+thun@aldan.algebra.com> wrot=
e:
> 07.07.2010 14:59, Jeremy Chadwick ???????(??):
>>>
>>> =A0 =A0 =A0FREEBSD_COMPAT7 kernel option is, apparently, a requirement =
(and
>>> =A0 =A0 =A0thus not an "option") -- the kernel-config files, that worke=
d with
>>> =A0 =A0 =A07.x, break without this option in them (in addition to all t=
he
>>> =A0 =A0 =A0nuisance, that's documented in UPDATING -- which, somehow, m=
akes
>>> =A0 =A0 =A0the breakage acceptable). config(8) would not warn about thi=
s, but
>>> =A0 =A0 =A0kernel build fails.
>>>
>>
>> We don't use this option (meaning it's removed from our kernels). =A0It'=
s
>> definitely not required. =A0All it does is ensure your kernel can
>> comprehend executables/binaries built on 7.x.
>>
>
> Attached is the kernel config-file (i386), that worked fine under 7.x. Th=
e
> kernel-compile will break (some *freebsd7* structs undefined), without th=
e
> COMPAT_FREEBSD7 option. Try it for yourself...
options SYSVSHM # SYSV-style shared memory
options SYSVMSG # SYSV-style message queues
options SYSVSEM # SYSV-style semaphores
Those require COMPAT_FREEBSD7. This does seem like a bug:
static struct syscall_helper_data shm_syscalls[] =3D {
SYSCALL_INIT_HELPER(shmat),
SYSCALL_INIT_HELPER(shmctl),
SYSCALL_INIT_HELPER(shmdt),
SYSCALL_INIT_HELPER(shmget),
#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7)
SYSCALL_INIT_HELPER(freebsd7_shmctl),
#endif
The check should be for COMPAT_FREEBSD7 only I would think.
Apart from that, everything else should work without it I would think.
Thanks,
-Garrett
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