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Commitba39bd8306("intel_th: msu: Switch over to scatterlist") introduced the following warnings on non-x86 architectures, as a result of reordering the multi mode buffer allocation sequence: > drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_alloc’: > drivers/hwtracing/intel_th/msu.c:783:21: warning: unused variable ‘i’ > [-Wunused-variable] > int ret = -ENOMEM, i; > ^ > drivers/hwtracing/intel_th/msu.c: In function ‘msc_buffer_win_free’: > drivers/hwtracing/intel_th/msu.c:863:6: warning: unused variable ‘i’ > [-Wunused-variable] > int i; > ^ Fix this compiler warning by factoring out set_memory sequences and making them x86-only. Suggested-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com> Fixes:ba39bd8306("intel_th: msu: Switch over to scatterlist") Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20190621161930.60785-2-alexander.shishkin@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.