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/linux/scripts/
H A DMakefile.extrawarn9 # Default set of warnings, always enabled
46 # disable pointer signed / unsigned warnings in gcc 4.0
55 # warnings for bounds checks involving those possible values. While
58 # warnings are produced (?!). Using -Walloc-size-larger-than=SIZE_MAX
84 # W=1 - warnings which may be relevant and do not occur too often
139 # W=2 - warnings which occur quite often but may still be relevant
152 # The following turn off the warnings enabled by -Wextra
164 # W=3 - more obscure warnings, can most likely be ignored
183 # The following turn off the warnings enabled by -Wextra
190 # W=e - error out on warnings
[all...]
/linux/Documentation/process/
H A Dmaintainer-soc-clean-dts.rst18 new ``make dtbs_check W=1`` warnings. Warnings in a new board DTS, which are
20 warnings. The platform maintainers have automation in place which should point
21 out any new warnings.
23 If a commit introducing new warnings gets accepted somehow, the resulting
H A Dsubmit-checklist.rst83 ``=n``. No ``gcc`` warnings/errors, no linker warnings/errors.
89 d) Any Documentation/ changes build successfully without new warnings/errors.
H A D4.Coding.rst240 The first step is simply to heed the warnings produced by the compiler.
242 potential errors. Quite often, these warnings point to real problems.
244 warnings. When silencing warnings, take care to understand the real cause
248 Note that not all compiler warnings are enabled by default. Build the
256 - FRAME_WARN to get warnings for stack frames larger than a given amount.
258 warnings from other parts of the kernel.
/linux/Documentation/doc-guide/
H A Dcontributing.rst30 Addressing warnings
34 warnings. When you have that many, you might as well have none at all;
36 ones. For this reason, eliminating warnings is one of the highest-priority
41 Warnings issued by a compiler for C code can often be dismissed as false
43 Warnings from the documentation build almost always point at a real
44 problem; making those warnings go away requires understanding the problem
46 warnings should probably not say "fix a warning" in the changelog title;
49 Another important point is that documentation warnings are often created by
51 maintainer appreciates being copied on fixes for these warnings, the
55 For example, in a documentation build I grabbed a pair of warnings nearly
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/linux/tools/testing/selftests/rcutorture/bin/
H A Dparse-build.sh38 grep warning: < $F > $T/warnings
39 grep "include/linux/*rcu*\.h:" $T/warnings > $T/hwarnings
40 grep "kernel/rcu/[^/]*:" $T/warnings > $T/cwarnings
41 grep "^ld: .*undefined reference to" $T/warnings | head -1 > $T/ldwarnings
H A Dkvm-test-1-run-qemu.sh110 echo Completed in $kruntime vs. $seconds >> $resdir/Warnings 2>&1
111 grep "^(qemu) qemu:" $resdir/kvm-test-1-run*.sh.out >> $resdir/Warnings 2>&1
112 …ed -n "s/^(qemu) qemu: terminating on signal [0-9]* from pid \([0-9]*\).*$/\1/p" $resdir/Warnings`"
115 echo "ps -fp $killpid" >> $resdir/Warnings 2>&1
116 ps -fp $killpid >> $resdir/Warnings 2>&1
139 echo "PID $qemu_pid killed due to run STOP.1 request `date`" >> $resdir/Warnings 2>&1
171 echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds `date`" >> $resdir/Warnings 2>&1
/linux/include/uapi/linux/
H A Ddqblk_xfs.h68 __u16 d_iwarns; /* # warnings issued wrt num inodes */
69 __u16 d_bwarns; /* # warnings issued wrt disk blocks */
78 __u16 d_rtbwarns; /* # warnings issued wrt RT disk blks */
108 * warnings are set/cleared by the administrators (or automatically by going
175 __u16 qs_bwarnlimit; /* limit for num warnings */
176 __u16 qs_iwarnlimit; /* limit for num warnings */
220 __u16 qs_bwarnlimit; /* limit for num warnings */
221 __u16 qs_iwarnlimit; /* limit for num warnings */
222 __u16 qs_rtbwarnlimit;/* limit for rt blks warnings */
/linux/tools/testing/ktest/examples/include/
H A Dpatchcheck.conf56 # Instead of just checking for warnings to files that are changed
57 # it can be advantageous to check for any new warnings. If a
59 # touched by the commit. To detect these kinds of warnings, you
65 # warnings file.
74 # and record all the warnings that exist before the patches
/linux/drivers/base/test/
H A Dtest_async_driver_probe.c21 static atomic_t warnings, errors, timeout, async_completed; variable
51 atomic_inc(&warnings); in test_probe()
240 * Otherwise if they completed without errors or warnings then in test_async_probe_init()
247 } else if (!atomic_read(&errors) && !atomic_read(&warnings)) { in test_async_probe_init()
267 * errors or warnings being reported by the probe routine. in test_async_probe_init()
274 pr_err("Test failed with %d errors and %d warnings\n", in test_async_probe_init()
275 atomic_read(&errors), atomic_read(&warnings)); in test_async_probe_init()
/linux/lib/
H A Ddebugobjects.c1154 seq_printf(m, "warnings : %d\n", debug_objects_warnings); in debug_stats_show()
1282 check_results(void *addr, enum debug_obj_state state, int fixups, int warnings) in check_results() argument
1308 if (warnings != debug_objects_warnings) { in check_results()
1309 WARN(1, KERN_ERR "ODEBUG: selftest warnings failed %d != %d\n", in check_results()
1310 warnings, debug_objects_warnings); in check_results()
1334 int fixups, oldfixups, warnings, oldwarnings; in debug_objects_selftest() local
1340 warnings = oldwarnings = debug_objects_warnings; in debug_objects_selftest()
1344 if (check_results(&obj, ODEBUG_STATE_INIT, fixups, warnings)) in debug_objects_selftest()
1347 if (check_results(&obj, ODEBUG_STATE_ACTIVE, fixups, warnings)) in debug_objects_selftest()
1350 if (check_results(&obj, ODEBUG_STATE_ACTIVE, ++fixups, ++warnings)) in debug_objects_selftest()
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/linux/tools/power/acpi/
H A DMakefile.config64 WARNINGS := -Wall
65 WARNINGS += $(call cc-supports,-Wstrict-prototypes)
66 WARNINGS += $(call cc-supports,-Wdeclaration-after-statement)
71 CFLAGS += $(WARNINGS)
/linux/tools/objtool/
H A Dcheck.c1072 * Warnings shouldn't be reported for ignored functions.
3912 int warnings = 0; in validate_unwind_hints() local
3921 warnings += validate_unwind_hint(file, insn, &state); in validate_unwind_hints()
3924 warnings += validate_unwind_hint(file, insn, &state); in validate_unwind_hints()
3927 return warnings; in validate_unwind_hints()
4047 int ret, warnings = 0; in validate_unrets() local
4058 warnings += ret; in validate_unrets()
4061 return warnings; in validate_unrets()
4067 int warnings = 0; in validate_retpoline() local
4091 warnings++; in validate_retpoline()
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/linux/arch/x86/tools/
H A Dinsn_decoder_test.c117 int warnings = 0; in main() local
157 warnings++; in main()
167 if (warnings) in main()
169 "failures\n", insns, warnings); in main()
/linux/tools/usb/ffs-aio-example/simple/host_app/
H A DMakefile5 WARNINGS = -Wall -Wextra macro
6 CFLAGS = $(LIBUSB_CFLAGS) $(WARNINGS)
/linux/tools/usb/ffs-aio-example/multibuff/host_app/
H A DMakefile5 WARNINGS = -Wall -Wextra macro
6 CFLAGS = $(LIBUSB_CFLAGS) $(WARNINGS)
/linux/drivers/gpu/drm/
H A DMakefile8 # Unconditionally enable W=1 warnings locally
9 # --- begin copy-paste W=1 warnings from scripts/Makefile.extrawarn
19 # FIXME: fix -Wformat-truncation warnings and uncomment
22 # The following turn off the warnings enabled by -Wextra
/linux/Documentation/core-api/
H A Dmm-api.rst123 .. #kernel-doc:: mm/hmm.c (build warnings)
129 .. #kernel-doc:: mm/memory-tiers.c (build warnings)
134 .. #kernel-doc:: mm/memory-failure.c (build warnings)
/linux/kernel/rcu/
H A DKconfig.debug79 RCU grace period persists, additional CPU stall warnings are
90 If the RCU grace period persists, additional CPU stall warnings
119 callbacks can prevent stall warnings from being printed.
H A Dupdate.c550 int rcu_cpu_stall_suppress __read_mostly; // !0 = suppress stall warnings.
563 // Suppress boot-time RCU CPU stall warnings and rcutorture writer stall
564 // warnings. Also used by rcutorture even if stall warnings are excluded.
672 pr_info("\tRCU CPU stall warnings suppressed (rcu_cpu_stall_suppress).\n"); in rcupdate_announce_bootup_oddness()
674 …pr_info("\tRCU CPU stall warnings timeout set to %d (rcu_cpu_stall_timeout).\n", rcu_cpu_stall_tim… in rcupdate_announce_bootup_oddness()
/linux/scripts/coccinelle/misc/
H A Duninitialized_var.cocci7 /// For any compiler warnings about uninitialized variables, just add
10 /// compiler warnings (e.g. "unused variable"). If the compiler thinks it
/linux/arch/m68k/include/asm/
H A Dio_mm.h138 default: return NULL; /* avoid warnings, just in case */ in isa_itb()
154 default: return NULL; /* avoid warnings, just in case */ in isa_itw()
164 default: return 0; /* avoid warnings, just in case */ in isa_itl()
180 default: return NULL; /* avoid warnings, just in case */ in isa_mtb()
196 default: return NULL; /* avoid warnings, just in case */ in isa_mtw()
260 default: break; /* avoid warnings */ in isa_delay()
/linux/tools/testing/selftests/
H A Dlib.mk41 # gcc defaults to silence (off) for the following warnings, but clang defaults
42 # to the opposite. The warnings are not useful for the kernel itself, which is
45 # warnings from clang. Therefore, disable the warnings for clang builds.
/linux/tools/include/uapi/
H A DREADME57 tooling, driven by non-fatal warnings on the tooling side build when
67 and integate them into the tooling build. The warnings above serve as a
/linux/lib/test_fortify/
H A Dtest_fortify.sh34 # Function names in warnings are wrapped in backticks under UTF-8 locales.
60 # Report on failure results, including compilation warnings.

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