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alpha: Implement xor_unlock_is_negative_byte
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Thu, 20 Jul 2023 03:10:28 +0000 (23:10 -0400)
committerMatthew Wilcox (Oracle) <willy@infradead.org>
Wed, 4 Oct 2023 01:07:32 +0000 (21:07 -0400)
commit858088b93d06cbc3b36bb2e2febb958419931f99
treee0fa9480511c302a67bad07b722381f1dbd8a5d5tree
parent13f20f559736963cce6c2c4d82457a0e8295b5cccommit | diff
alpha: Implement xor_unlock_is_negative_byte

Inspired by the alpha clear_bit() and arch_atomic_add_return(), this
will surely be more efficient than the generic one defined in filemap.c.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
arch/alpha/include/asm/bitops.h diff | blob | history
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