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authorRobin Murphy <robin.murphy@arm.com>2016-10-18 13:46:27 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2016-11-07 18:15:03 +0000
commit4890ae46911c99d61fb622605c2d81bf8c86b209 (patch)
tree5d62056f1f1f9cea14cc0c658786917ae647e2ba /tools/perf/scripts/python/call-graph-from-postgresql.py
parentarm64: add sysfs cpu_capacity attribute (diff)
downloadwireguard-linux-4890ae46911c99d61fb622605c2d81bf8c86b209.tar.xz
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arm64/kprobes: Tidy up sign-extension usage
Kprobes does not need its own homebrewed (and frankly inscrutable) sign extension macro; just use the standard kernel functions instead. Since the compiler actually recognises the sign-extension idiom of the latter, we also get the small bonus of some nicer codegen, as each displacement calculation helper then compiles to a single optimal SBFX instruction. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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