network performance

[Stefan Lambrev]

Kris Kennaway wrote:
> Stefan Lambrev wrote:
>> Greetings,
>>
>> Kris Kennaway wrote:
>>> http://www.freebsd.org/~kris/p4-net.tbz is a sys/ tarball from my p4 
>>> branch, which includes these and other optimizations.
>> I have some problems with compiling new kernel:
>>
>> cc -c -O2 -frename-registers -pipe -fno-strict-aliasing -march=nocona 
>> -std=c99 -g -Wall -Wredundant-decls -Wnested-externs 
>> -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith -Winline 
>> -Wcast-qual  -Wundef -Wno-pointer-sign -fformat-extensions -nostdinc  
>> -I. -I/usr/src/sys -I/usr/src/sys/contrib/altq -D_KERNEL 
>> -DHAVE_KERNEL_OPTION_HEADERS -include opt_global.h -fno-common 
>> -finline-limit=8000 --param inline-unit-growth=100 --param 
>> large-function-growth=1000  -fno-omit-frame-pointer -mcmodel=kernel 
>> -mno-red-zone  -mfpmath=387 -mno-sse -mno-sse2 -mno-mmx -mno-3dnow  
>> -msoft-float -fno-asynchronous-unwind-tables -ffreestanding -Werror  
>> /usr/src/sys/ufs/ufs/ufs_lookup.c
>> /usr/src/sys/ufs/ufs/ufs_lookup.c: In function 'ufs_lookup':
>> /usr/src/sys/ufs/ufs/ufs_lookup.c:171: error: 'td' undeclared (first 
>> use in this function)
>> /usr/src/sys/ufs/ufs/ufs_lookup.c:171: error: (Each undeclared 
>> identifier is reported only once
>> /usr/src/sys/ufs/ufs/ufs_lookup.c:171: error: for each function it 
>> appears in.)
>> /usr/src/sys/ufs/ufs/ufs_lookup.c:173:45: error: macro "VOP_LOCK" 
>> passed 3 arguments, but takes just 2
>> /usr/src/sys/ufs/ufs/ufs_lookup.c:173: error: 'VOP_LOCK' undeclared 
>> (first use in this function)
>> *** Error code 1
>>
>>
>
> Sorry, forgot to check in a fix.  Apply this patch:
>
>   http://www.freebsd.org/~kris/ufs_lookup.c.diff
>
> (you'll need to specify the path by hand)
>
> Kris
Now this compiles, but :

cc -O2 -fno-strict-aliasing -pipe -march=nocona -Werror -D_KERNEL 
-DKLD_MODULE -std=c99 -nostdinc   -DHAVE_KERNEL_OPTION_HEADERS -include 
/usr/obj/usr/src/sys/CORE/opt_global.h -I. -I@ -I@/contrib/altq 
-finline-limit=8000 --param inline-unit-growth=100 --param 
large-function-growth=1000 -fno-common -g -fno-omit-frame-pointer 
-I/usr/obj/usr/src/sys/CORE -mcmodel=kernel -mno-red-zone  -mfpmath=387 
-mno-sse -mno-sse2 -mno-mmx -mno-3dnow  -msoft-float 
-fno-asynchronous-unwind-tables -ffreestanding -Wall -Wredundant-decls 
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes 
-Wpointer-arith -Winline -Wcast-qual  -Wundef -Wno-pointer-sign 
-fformat-extensions -c 
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c
cc1: warnings being treated as errors
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c: In 
function 'lomac_thread_userret':
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c:2172: 
warning: implicit declaration of function 'PROC_LOCK'
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c:2172: 
warning: nested extern declaration of 'PROC_LOCK'
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c:2190: 
warning: implicit declaration of function 'PROC_UNLOCK'
/usr/src/sys/modules/mac_lomac/../../security/mac_lomac/mac_lomac.c:2190: 
warning: nested extern declaration of 'PROC_UNLOCK'
*** Error code 1

Stop in /usr/src/sys/modules/mac_lomac.

where -Werror is defined - in the Makefile? :)
Is it safe to just remove it for security/ and continue with build?

BTW I removed "options      ADAPTIVE_GIANT" as it is unknown with your 
sources.

-- 

Best Wishes,
Stefan Lambrev
ICQ# 24134177