From: Vineet Gupta <vgupta@kernel.org>
To: Dan Carpenter <dan.carpenter@linaro.org>,
oe-kbuild@lists.linux.dev, Vineet Gupta <vgupta@kernel.org>
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org
Subject: Re: arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release'.
Date: Fri, 8 Dec 2023 16:33:44 -0800 [thread overview]
Message-ID: <b78607e5-6965-4e7f-b43a-c1ca58eecf89@kernel.org> (raw)
In-Reply-To: <c2148229-bea9-40ef-bbf3-6019555f3f1a@suswa.mountain>
On 11/27/23 22:22, Dan Carpenter wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab
> commit: fad84e39f116035ae8d550c6020107b8ac113b45 ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA
> config: arc-randconfig-r071-20231128 (https://download.01.org/0day-ci/archive/20231128/202311280906.VAIwEAfT-lkp@intel.com/config)
> compiler: arceb-elf-gcc (GCC) 13.2.0
> reproduce: (https://download.01.org/0day-ci/archive/20231128/202311280906.VAIwEAfT-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Reported-by: Dan Carpenter <error27@gmail.com>
> | Closes: https://lore.kernel.org/r/202311280906.VAIwEAfT-lkp@intel.com/
>
> New smatch warnings:
> arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release'.
Thx, I've posted a fix.
> Old smatch warnings:
> arch/arc/include/asm/thread_info.h:62 current_thread_info() error: uninitialized symbol 'sp'.
This seems like a false warning. Its a register variable and thus can't
possibly be initialized.
static inline __attribute_const__ struct thread_info
*current_thread_info(void)
{
register unsigned long sp asm("sp");
return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
}
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WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <vgupta@kernel.org>
To: Dan Carpenter <dan.carpenter@linaro.org>,
oe-kbuild@lists.linux.dev, Vineet Gupta <vgupta@kernel.org>
Cc: lkp@intel.com, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org
Subject: Re: arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release'.
Date: Fri, 8 Dec 2023 16:33:44 -0800 [thread overview]
Message-ID: <b78607e5-6965-4e7f-b43a-c1ca58eecf89@kernel.org> (raw)
In-Reply-To: <c2148229-bea9-40ef-bbf3-6019555f3f1a@suswa.mountain>
On 11/27/23 22:22, Dan Carpenter wrote:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab
> commit: fad84e39f116035ae8d550c6020107b8ac113b45 ARC: boot log: eliminate struct cpuinfo_arc #4: boot log per ISA
> config: arc-randconfig-r071-20231128 (https://download.01.org/0day-ci/archive/20231128/202311280906.VAIwEAfT-lkp@intel.com/config)
> compiler: arceb-elf-gcc (GCC) 13.2.0
> reproduce: (https://download.01.org/0day-ci/archive/20231128/202311280906.VAIwEAfT-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Reported-by: Dan Carpenter <error27@gmail.com>
> | Closes: https://lore.kernel.org/r/202311280906.VAIwEAfT-lkp@intel.com/
>
> New smatch warnings:
> arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release'.
Thx, I've posted a fix.
> Old smatch warnings:
> arch/arc/include/asm/thread_info.h:62 current_thread_info() error: uninitialized symbol 'sp'.
This seems like a false warning. Its a register variable and thus can't
possibly be initialized.
static inline __attribute_const__ struct thread_info
*current_thread_info(void)
{
register unsigned long sp asm("sp");
return (struct thread_info *)(sp & ~(THREAD_SIZE - 1));
}
next prev parent reply other threads:[~2023-12-09 0:33 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-28 6:22 arch/arc/kernel/setup.c:203 arcv2_mumbojumbo() error: uninitialized symbol 'release' Dan Carpenter
2023-11-28 6:22 ` Dan Carpenter
2023-12-09 0:33 ` Vineet Gupta [this message]
2023-12-09 0:33 ` Vineet Gupta
2023-12-09 6:53 ` Dan Carpenter
2023-12-09 6:53 ` Dan Carpenter
-- strict thread matches above, loose matches on Subject: below --
2023-11-28 3:01 kernel test robot
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