linux-kernel - Re: [patch] BFS 420: a tiny step forward

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Message-ID: <CA+i8gKKQyGBc-BNBJ72S6rq7aiFqS=onqWQyeY4P+VVvFCeXJw@mail.gmail.com>
Date:	Thu, 31 May 2012 14:12:26 +0700
From:	Emmanuel Benisty <benisty.e@...il.com>
To:	Hillf Danton <dhillf@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [patch] BFS 420: a tiny step forward

Hi Hillf,

On Wed, May 30, 2012 at 8:37 PM, Hillf Danton <dhillf@...il.com> wrote:
> With 21 patches collected, BFS v0.421, derived from v0.420 by Con Kolivas, is
> ready in monolithic diff. Thanks for those messages received while preparing
> the patches.
>
> This version is prepared specially for Emmanuel Benisty <benisty.e@...il.com>,
> the first want to try the changes.

Thanks a *lot* !

This is what happens with Greg's 3.3.7 + Con's bfs-420 + your
bfs-420-421 patches, any idea?

  CC      kernel/sched/bfs.o
kernel/sched/bfs.c: In function 'try_preempt':
kernel/sched/bfs.c:1450:2: error: incompatible type for argument 2 of
'cpumask_next_and'
include/linux/cpumask.h:192:5: note: expected 'const struct cpumask *'
but argument is of type 'cpumask_t'
kernel/sched/bfs.c:1450:2: error: incompatible type for argument 3 of
'cpumask_next_and'
include/linux/cpumask.h:192:5: note: expected 'const struct cpumask *'
but argument is of type 'cpumask_t'
kernel/sched/bfs.c:1450:2: warning: left-hand operand of comma
expression has no effect
make[2]: *** [kernel/sched/bfs.o] Error 1
make[1]: *** [kernel/sched] Error 2
make: *** [kernel] Error 2

# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.5.3/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-4.5.3/configure --prefix=/usr
--mandir=/usr/man --libexecdir=/usr/lib --enable-languages=c,c++,objc
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-shared --disable-nls --with-x=no --with-system-zlib
--with-pkgversion=CRUX --disable-multilib
Thread model: posix
gcc version 4.5.3 (CRUX)

Kernel config is attached.

Thanks in advance.
-- Emmanuel

Download attachment "config-bfs-421" of type "application/octet-stream" (68127 bytes)