From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: coresight@lists.linaro.org, linux-kernel@vger.kernel.org,
Mike Leach <mike.leach@linaro.org>,
James Clark <james.clark@arm.com>, Leo Yan <leo.yan@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] coresight: make coresight_bustype const
Date: Fri, 5 Jan 2024 15:40:50 +0100 [thread overview]
Message-ID: <2024010544-framing-cinema-91a7@gregkh> (raw)
In-Reply-To: <fc74c447-a15b-4fda-bc36-fa39894946e6@arm.com>
On Fri, Jan 05, 2024 at 02:22:43PM +0000, Suzuki K Poulose wrote:
> On 05/01/2024 12:33, Greg Kroah-Hartman wrote:
> > Now that the driver core can properly handle constant struct bus_type,
> > move the coresight_bustype variable to be a constant structure as well,
> > placing it into read-only memory which can not be modified at runtime.
> >
> > Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> > Cc: Mike Leach <mike.leach@linaro.org>
> > Cc: James Clark <james.clark@arm.com>
> > Cc: Leo Yan <leo.yan@linaro.org>
> > Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
> > Cc: coresight@lists.linaro.org
> > Cc: linux-arm-kernel@lists.infradead.org
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> > drivers/hwtracing/coresight/coresight-core.c | 2 +-
> > include/linux/coresight.h | 2 +-
> > 2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
> > index 9fabe00a40d6..24c49e581737 100644
> > --- a/drivers/hwtracing/coresight/coresight-core.c
> > +++ b/drivers/hwtracing/coresight/coresight-core.c
> > @@ -1796,7 +1796,7 @@ char *coresight_alloc_device_name(struct coresight_dev_list *dict,
> > }
> > EXPORT_SYMBOL_GPL(coresight_alloc_device_name);
> > -struct bus_type coresight_bustype = {
> > +const struct bus_type coresight_bustype = {
> > .name = "coresight",
> > };
> > diff --git a/include/linux/coresight.h b/include/linux/coresight.h
> > index a269fffaf991..8fe75a0d7693 100644
> > --- a/include/linux/coresight.h
> > +++ b/include/linux/coresight.h
> > @@ -35,7 +35,7 @@
> > #define CORESIGHT_UNLOCK 0xc5acce55
> > -extern struct bus_type coresight_bustype;
> > +extern const struct bus_type coresight_bustype;
>
> Thanks, for the patch. I will queue this for v6.8.
Thanks!
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next prev parent reply other threads:[~2024-01-05 14:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-05 12:33 [PATCH] coresight: make coresight_bustype const Greg Kroah-Hartman
2024-01-05 14:22 ` Suzuki K Poulose
2024-01-05 14:40 ` Greg Kroah-Hartman [this message]
2024-02-12 11:30 ` Suzuki K Poulose
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