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authorMark Brown <broonie@kernel.org>2019-06-18 19:10:55 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2019-06-25 14:24:00 +0100
commitca9503fc9e9812aa6258e55d44edb03eb30fc46f (patch)
tree5deac994c347391edae01f5601a02db7f8be5434 /arch/arm64/kernel/cpuinfo.c
parent1201937491822b61641c1878ebcd16a93aed4540 (diff)
downloadlinux-ca9503fc9e9812aa6258e55d44edb03eb30fc46f.tar.bz2
arm64: Expose FRINT capabilities to userspace
ARMv8.5 introduces the FRINT series of instructions for rounding floating point numbers to integers. Provide a capability to userspace in order to allow applications to determine if the system supports these instructions. Signed-off-by: Mark Brown <broonie@kernel.org> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/cpuinfo.c')
-rw-r--r--arch/arm64/kernel/cpuinfo.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 62102f75dc1e..fda8ded8b739 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -93,6 +93,7 @@ static const char *const hwcap_str[] = {
"svesha3",
"svesm4",
"flagm2",
+ "frint",
NULL
};