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Fix some spelling mistakes in comments found by "codespell":
thats ==> that's
unitialized ==> uninitialized
panicing ==> panicking
sucess ==> success
possitive ==> positive
intepreted ==> interpreted
Link: https://lkml.kernel.org/r/20210607133036.12525-2-thunder.leizhen@huawei.com
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com> [test_bfp.c]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Currently, the bitops test consists of two parts: one part is executed
during module load, the second part during module unload. This is
cumbersome for the user, as he has to perform two steps to execute all
tests, and is different from most (all?) other tests.
Merge the two parts, so both are executed during module load.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Link: http://lkml.kernel.org/r/20200706112900.7097-1-geert@linux-m68k.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add some tests for get_count_order/long in test_bitops.c.
[akpm@linux-foundation.org: define local `i']
[akpm@linux-foundation.org: enhancement, warning fix, cleanup per Geert]
[akpm@linux-foundation.org: fix loop bound, per Wei Yang]
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Link: http://lkml.kernel.org/r/20200602223728.32722-1-richard.weiyang@gmail.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Test some bit clears/sets to make sure assembly doesn't change, and that
the set_bit and clear_bit functions work and don't cause sparse warnings.
Instruct Kbuild to build this file with extra warning level -Wextra, to
catch new issues, and also doesn't hurt to build with C=1.
This was used to test changes to arch/x86/include/asm/bitops.h.
In particular, sparse (C=1) was very concerned when the last bit before a
natural boundary, like 7, or 31, was being tested, as this causes sign
extension (0xffffff7f) for instance when clearing bit 7.
Recommended usage:
make defconfig
scripts/config -m CONFIG_TEST_BITOPS
make modules_prepare
make C=1 W=1 lib/test_bitops.ko
objdump -S -d lib/test_bitops.ko
insmod lib/test_bitops.ko
rmmod lib/test_bitops.ko
<check dmesg>, there should be no compiler/sparse warnings and no
error messages in log.
Link: http://lkml.kernel.org/r/20200310221747.2848474-2-jesse.brandeburg@intel.com
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
CcL Ingo Molnar <mingo@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Zhen Lei
Geert Uytterhoeven
Wei Yang
Jesse Brandeburg