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authorDaniel Gomez <da.gomez@samsung.com>2024-01-31 14:51:25 -0800
committerAndrew Morton <akpm@linux-foundation.org>2024-02-22 10:24:48 -0800
commite777ae44e33e48ad01bfdc978076b03c1f091b4f (patch)
tree19b71e20301971dcdfe29caa46eaee03a3e9893f /rust
parenta60cc288a1a2604bd86d3df129f269887018c3cb (diff)
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XArray: add cmpxchg order test
XArray multi-index entries do not keep track of the order stored once the entry is being marked as used with cmpxchg (conditionally replaced with NULL). Add a test to check the order is actually lost. The test also verifies the order and entries for all the tied indexes before and after the NULL replacement with xa_cmpxchg. Add another entry at 1 << order that keeps the node around and the order information for the NULL-entry after xa_cmpxchg. Link: https://lkml.kernel.org/r/20240131225125.1370598-3-mcgrof@kernel.org Signed-off-by: Daniel Gomez <da.gomez@samsung.com> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Cc: Darrick J. Wong <djwong@kernel.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'rust')
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