From: Daniel Wagner <daniel.wagner@bmw-carit.de>
To: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-rt-users@vger.kernel.org>,
<linux-kbuild@vger.kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Boqun Feng <boqun.feng@gmail.com>
Subject: Re: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error
Date: Mon, 1 Feb 2016 07:49:21 +0100 [thread overview]
Message-ID: <56AEFFF1.1010404@bmw-carit.de> (raw)
In-Reply-To: <20160129185523.GZ8889@windriver.com>
On 01/29/2016 07:55 PM, Paul Gortmaker wrote:
> [Re: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error] On 29/01/2016 (Fri 13:17) Daniel Wagner wrote:
>
>> On 01/28/2016 03:44 PM, Daniel Wagner wrote:
>>> +# enforce correct pointer usage
>>> +KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
>>> +
>>
>> As it turns out there are a few fallouts by that one. I'll send fixes
>> for it.
>
> Did you try non-x86 builds with this applied? I'd be really surprised
> if there were just a few, once you did allyesconfig/allmodconfig for
> ARM, MIPS, PPC, etc.
I have tried this with non-x86 builds and apart of a few problems all
looked fine. As it turns out I was using too old cross tools from
kernel.org [1]. Luckily Fengguang's kbuild robot did catch a bunch of
them (see the patches in this series).
Since Thomas was also surprised that only a bunch of them showed up,
I'll better give it another go with more recent compilers.
cheers,
daniel
[1] https://www.kernel.org/pub/tools/crosstool
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Wagner <daniel.wagner@bmw-carit.de>
To: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org,
linux-kbuild@vger.kernel.org,
Marcelo Tosatti <mtosatti@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
"Paul E . McKenney" <paulmck@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
Boqun Feng <boqun.feng@gmail.com>
Subject: Re: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error
Date: Mon, 1 Feb 2016 07:49:21 +0100 [thread overview]
Message-ID: <56AEFFF1.1010404@bmw-carit.de> (raw)
In-Reply-To: <20160129185523.GZ8889@windriver.com>
On 01/29/2016 07:55 PM, Paul Gortmaker wrote:
> [Re: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error] On 29/01/2016 (Fri 13:17) Daniel Wagner wrote:
>
>> On 01/28/2016 03:44 PM, Daniel Wagner wrote:
>>> +# enforce correct pointer usage
>>> +KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
>>> +
>>
>> As it turns out there are a few fallouts by that one. I'll send fixes
>> for it.
>
> Did you try non-x86 builds with this applied? I'd be really surprised
> if there were just a few, once you did allyesconfig/allmodconfig for
> ARM, MIPS, PPC, etc.
I have tried this with non-x86 builds and apart of a few problems all
looked fine. As it turns out I was using too old cross tools from
kernel.org [1]. Luckily Fengguang's kbuild robot did catch a bunch of
them (see the patches in this series).
Since Thomas was also surprised that only a bunch of them showed up,
I'll better give it another go with more recent compilers.
cheers,
daniel
[1] https://www.kernel.org/pub/tools/crosstool
next prev parent reply other threads:[~2016-02-01 6:49 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-28 14:44 [PATCH tip v6 0/5] Simple wait queue support Daniel Wagner
2016-01-28 14:44 ` [PATCH tip v6 1/5] wait.[ch]: Introduce the simple waitqueue (swait) implementation Daniel Wagner
2016-01-28 14:44 ` [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error Daniel Wagner
2016-01-29 12:17 ` Daniel Wagner
2016-01-29 12:17 ` Daniel Wagner
2016-01-29 18:55 ` Paul Gortmaker
2016-01-29 18:55 ` Paul Gortmaker
2016-02-01 6:49 ` Daniel Wagner [this message]
2016-02-01 6:49 ` Daniel Wagner
2016-02-05 8:16 ` Daniel Wagner
2016-02-05 8:16 ` Daniel Wagner
2016-02-07 4:39 ` Paul Gortmaker
2016-02-07 4:39 ` Paul Gortmaker
2016-02-17 13:04 ` Daniel Wagner
2016-02-17 13:04 ` Daniel Wagner
2016-01-28 14:44 ` [PATCH tip v6 3/5] KVM: use simple waitqueue for vcpu->wq Daniel Wagner
2016-01-29 12:18 ` Daniel Wagner
2016-01-29 12:18 ` Daniel Wagner
2016-01-28 14:44 ` [PATCH tip v6 4/5] rcu: Do not call rcu_nocb_gp_cleanup() while holding rnp->lock Daniel Wagner
2016-01-28 14:44 ` [PATCH tip v6 5/5] rcu: use simple wait queues where possible in rcutree Daniel Wagner
2016-01-29 13:23 ` [PATCH] video: Use bool instead int pointer for get_opt_bool() argument Daniel Wagner
2016-01-29 13:23 ` Daniel Wagner
2016-01-29 13:28 ` [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header Daniel Wagner
2016-02-01 0:52 ` Maciej W. Rozycki
2016-02-01 0:52 ` Maciej W. Rozycki
2016-02-01 16:07 ` Daniel Wagner
2016-02-01 16:07 ` Daniel Wagner
2016-02-06 17:16 ` Maciej W. Rozycki
2016-02-06 17:16 ` Maciej W. Rozycki
2016-02-08 15:44 ` [PATCH v3 0/3] " Daniel Wagner
2016-02-08 15:44 ` [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version Daniel Wagner
2016-02-08 17:19 ` Maciej W. Rozycki
2016-02-08 17:19 ` Maciej W. Rozycki
2016-02-09 7:01 ` Daniel Wagner
2016-02-09 7:01 ` Daniel Wagner
2016-02-09 11:46 ` Maciej W. Rozycki
2016-02-09 11:46 ` Maciej W. Rozycki
2016-02-09 12:37 ` Daniel Wagner
2016-02-09 12:37 ` Daniel Wagner
2016-02-09 14:51 ` Maciej W. Rozycki
2016-02-09 14:51 ` Maciej W. Rozycki
2016-02-10 8:51 ` Daniel Wagner
2016-02-10 8:51 ` Daniel Wagner
2016-02-08 15:44 ` [PATCH v3 2/3] crash_dump: Add vmcore_elf32_check_arch Daniel Wagner
2016-02-08 17:05 ` Maciej W. Rozycki
2016-02-08 17:05 ` Maciej W. Rozycki
2016-02-08 15:44 ` [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header Daniel Wagner
2016-02-08 16:22 ` kbuild test robot
2016-02-08 16:22 ` kbuild test robot
2016-02-09 8:03 ` Daniel Wagner
2016-02-09 8:03 ` Daniel Wagner
2016-02-09 12:32 ` Maciej W. Rozycki
2016-02-09 12:32 ` Maciej W. Rozycki
2016-02-09 12:38 ` Daniel Wagner
2016-02-09 12:38 ` Daniel Wagner
2016-02-09 19:44 ` Maciej W. Rozycki
2016-02-09 19:44 ` Maciej W. Rozycki
2016-02-10 6:28 ` Daniel Wagner
2016-02-10 6:28 ` Daniel Wagner
2016-02-10 9:21 ` [PATCH v4 0/2] " Daniel Wagner
2016-02-10 9:21 ` [PATCH v4 1/2] crash_dump: Add vmcore_elf32_check_arch Daniel Wagner
2016-02-10 9:21 ` [PATCH v4 2/2] mips: Differentiate between 32 and 64 bit ELF header Daniel Wagner
2016-02-11 10:49 ` Ralf Baechle
2016-02-11 12:04 ` Maciej W. Rozycki
2016-02-11 12:04 ` Maciej W. Rozycki
2016-02-11 12:14 ` Daniel Wagner
2016-02-11 12:14 ` Daniel Wagner
2016-02-11 14:58 ` Maciej W. Rozycki
2016-02-11 14:58 ` Maciej W. Rozycki
2016-02-11 15:30 ` Ralf Baechle
2016-02-08 16:58 ` [PATCH v3 3/3] " Maciej W. Rozycki
2016-02-08 16:58 ` Maciej W. Rozycki
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