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5c315434fd
When building ARCH=i386 allmodconfig, the following warning occurs:
In file included from include/linux/device.h:15,
from include/linux/node.h:18,
from include/linux/cpu.h:17,
from include/linux/static_call.h:135,
from arch/x86/include/asm/perf_event.h:5,
from include/linux/perf_event.h:25,
from drivers/gpu/drm/i915/i915_pmu.h:11,
from drivers/gpu/drm/i915/gt/intel_engine_types.h:21,
from drivers/gpu/drm/i915/gt/intel_context_types.h:18,
from drivers/gpu/drm/i915/gem/i915_gem_context_types.h:20,
from drivers/gpu/drm/i915/i915_request.h:34,
from drivers/gpu/drm/i915/i915_active.h:13,
from drivers/gpu/drm/i915/gt/intel_context.h:13,
from drivers/gpu/drm/i915/pxp/intel_pxp_gsccs.c:8:
drivers/gpu/drm/i915/pxp/intel_pxp_gsccs.c: In function 'gsccs_send_message':
include/drm/drm_print.h:456:39: error: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
456 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
| ^~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/dev_printk.h:146:61: note: in expansion of macro 'dev_fmt'
146 | dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
include/drm/drm_print.h:456:9: note: in expansion of macro 'dev_warn'
456 | dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
| ^~~~
include/drm/drm_print.h:466:9: note: in expansion of macro '__drm_printk'
466 | __drm_printk((drm), warn,, fmt, ##__VA_ARGS__)
| ^~~~~~~~~~~~
drivers/gpu/drm/i915/pxp/intel_pxp_gsccs.c:146:17: note: in expansion of macro 'drm_warn'
146 | drm_warn(&i915->drm, "caller with insufficient PXP reply size %u (%ld)\n",
| ^~~~~~~~
cc1: all warnings being treated as errors
Use the '%zu' format specifier, as the variable is a 'size_t'.
Fixes: dc9ac125d8 ("drm/i915/pxp: Add GSC-CS backend to send GSC fw messages")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230530-i915-pxp-size_t-wformat-v1-1-9631081e2e5b@kernel.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.