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foss-for-synopsys-dwc-arc-processors / linux

Helpful resources for users & developers of Linux kernel for ARC
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ARC: perf: Do not clear COUNTH for ARC64 #64

Closed VVIsaev closed 2 years ago

VVIsaev commented 2 years ago

ARC64 uses 64-bit COUNT register for PCT events and does not have COUNTH. This issue raises illegal instruction on the latest build.

Signed-off-by: Vladimir Isaev isaev@synopsys.com