Fwd: [PATCH] draft patch to make usr.bin/kdump WARNS?= 6 clean

Garrett Cooper yanegomi at gmail.com
Mon May 2 16:24:59 UTC 2011


---------- Forwarded message ----------
From: Garrett Cooper <yanegomi at gmail.com>
Date: Mon, May 2, 2011 at 9:24 AM
Subject: Re: [PATCH] draft patch to make usr.bin/kdump WARNS?= 6 clean
To: Arnaud Lacombe <lacombar at gmail.com>


On Mon, May 2, 2011 at 9:21 AM, Arnaud Lacombe <lacombar at gmail.com> wrote:
> Hi,
>
> On Mon, May 2, 2011 at 12:10 PM, Garrett Cooper <yanegomi at gmail.com> wrote:
>>    I wanted to do something different this weekend, and I picked
>> usr.bin/kdump as a likely 'victim' for converting from WARNS?= 0 to
>> WARNS?= 6. I'm curious as to whether or not this is on the right
>> track, but here's the reasoning I used:
>>
>> 1. Conditionally include diskmbr.h or diskpc98.h based on whether or
>> not an architecture was non-pc98 or pc98 to avoid duplicate
>> definitions, because the beforementioned headers are mutually
>> exclusive.
>> 2. Move the sockfamilyname declaration to kdump_subr.h as it's used in
>> the generated ioctl.c file.
>> 3. Fix a signed vs unsigned comparison with a simple cast because the
>> size_t value will be sufficiently small that it can be converted to a
>> signed comparison.
>> 4. Fix a cast assignment type source//dest value alignment issue on
>> ia64 assigning a struct sockaddr value to either struct sockaddr_in or
>> struct sockaddr_in6 by using calloc and memcpy.
>> 5. Fix structure alignment issues on arm by marking some structures as __packed.
>> 6. Fix a shadowed declaration for flags by renaming a locally scoped
>> variable to _flags; add appropriate type to field.
>> 7. Remove unused argument to ktruser_malloc.
>> 8. Add missing declarations for ktruser_malloc and ktruser_rtld.
>>
>>    I've run some basic tests and things seem sane (in particular
>> ktrace'ing ktrace :)... ktrace'ing 'ssh ::1' and ktrace'ing 'ssh
>> localhost', but I was wondering if there was anything I was missing or
>> if someone else who ran arm or ia64 could test this patch out for me.
>>    I've run make universe on amd64, i386, ia64, mips, and pc98, and
>> things seem sane, but I can't play around with those machines to
>> determine whether or not they're functional at runtime with the above
>> changes.
>> Thanks!
>> -Garrett
>>
> I do not see any patch, either inline or attached.
>
>  - Arnaud
>
>> PS Oh yeah... no commit bit means that I can't commit this either, but
>> I was curious if my approach was correct before getting to that step
>> :).

Yeah... I'm stupid for not attaching it. Need to get more sleep.
-Garrett
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