commit 1175011a7d0030d49dc9c10bde36f08f26d0a8ee upstream. Add a new HWCAP to detect the Increased precision of Reciprocal Estimate and Reciprocal Square Root Estimate feature (FEAT_RPRES), introduced in Armv8.7. Also expose this to userspace in the ID_AA64ISAR2_EL1 feature register. Signed-off-by: Joey Gouly <joey.gouly@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Acked-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20211210165432.8106-4-joey.gouly@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|---|---|---|
| .. | ||
| acpi_object_usage.rst | ||
| amu.rst | ||
| arm-acpi.rst | ||
| booting.rst | ||
| cpu-feature-registers.rst | ||
| elf_hwcaps.rst | ||
| hugetlbpage.rst | ||
| index.rst | ||
| kasan-offsets.sh | ||
| legacy_instructions.rst | ||
| memory-tagging-extension.rst | ||
| memory.rst | ||
| perf.rst | ||
| pointer-authentication.rst | ||
| silicon-errata.rst | ||
| sve.rst | ||
| tagged-address-abi.rst | ||
| tagged-pointers.rst | ||