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authorDavidlohr Bueso <dave@stgolabs.net>2026-07-15 12:14:52 -0700
committerWill Deacon <will@kernel.org>2026-08-02 10:56:45 +0000
commitea434e8fd3a539e9c53285b10d3c7e539e228591 (patch)
treefb5137ba5598d182acb94419da2aa6c045e02ec3 /tools/perf/scripts/python
parent18ec1f543ae1466fdd437803c64ab7c5e43cc36c (diff)
perf/cxlpmu: Fix 64-bit write to 32-bit HDM filter register
The HDM decoder filter configuration register is 32 bits wide, but the driver programs it with a 64-bit writeq(). The filter value never exceeds 32 bits, so the upper half of the write is always zero and lands in the adjacent Filter ID 1 (Channel/Rank/Bank) configuration register at offset+4. Fixes: 5d7107c72796 ("perf: CXL Performance Monitoring Unit driver") Signed-off-by: Davidlohr Bueso <dave@stgolabs.net> Reviewed-by: Richard Cheng <icheng@nvidia.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions