From: Guenter Roeck <linux@roeck-us.net>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Naveen Krishna Chatradhi <nchatrad@amd.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Ingo Molnar <mingo@redhat.com>, Tony Luck <tony.luck@intel.com>,
Ralf Baechle <ralf@linux-mips.org>,
Richard Henderson <rth@twiddle.net>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cpumask: guard cpumask_of_node() macro argument
Date: Wed, 27 May 2020 07:51:38 -0700 [thread overview]
Message-ID: <20200527145138.GB209591@roeck-us.net> (raw)
In-Reply-To: <20200527134623.930247-1-arnd@arndb.de>
On Wed, May 27, 2020 at 03:46:08PM +0200, Arnd Bergmann wrote:
> drivers/hwmon/amd_energy.c:195:15: error: invalid operands to binary expression ('void' and 'int')
> (channel - data->nr_cpus));
> ~~~~~~~~~^~~~~~~~~~~~~~~~~
> include/asm-generic/topology.h:51:42: note: expanded from macro 'cpumask_of_node'
> #define cpumask_of_node(node) ((void)node, cpu_online_mask)
> ^~~~
> include/linux/cpumask.h:618:72: note: expanded from macro 'cpumask_first_and'
> #define cpumask_first_and(src1p, src2p) cpumask_next_and(-1, (src1p), (src2p))
> ^~~~~
>
> Fixes: f0b848ce6fe9 ("cpumask: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask")
> Fixes: 8abee9566b7e ("hwmon: Add amd_energy driver to report energy counters")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Didn't I Cc: you on the same patch I sent out earlier ? Never mind, though.
Acked-by: Guenter Roeck <linux@roeck-us.net>
Guenter
> ---
> include/asm-generic/topology.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
> index 238873739550..5aa8705df87e 100644
> --- a/include/asm-generic/topology.h
> +++ b/include/asm-generic/topology.h
> @@ -48,7 +48,7 @@
> #ifdef CONFIG_NEED_MULTIPLE_NODES
> #define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask)
> #else
> - #define cpumask_of_node(node) ((void)node, cpu_online_mask)
> + #define cpumask_of_node(node) ((void)(node), cpu_online_mask)
> #endif
> #endif
> #ifndef pcibus_to_node
> --
> 2.26.2
>
prev parent reply other threads:[~2020-05-27 14:51 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-27 13:46 [PATCH] cpumask: guard cpumask_of_node() macro argument Arnd Bergmann
2020-05-27 14:51 ` Guenter Roeck [this message]
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