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| author | Amit Daniel Kachhap <amit.kachhap@arm.com> | 2022-11-17 08:58:31 +0300 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-11-28 14:57:34 +0300 |
| commit | 956ca3a4eb81c1b8cc3226af3083847544dcb098 (patch) | |
| tree | 85ca472cbbdea50bcd6d191bc04b85a3c454af75 /arch/arm/kernel | |
| parent | 23b6d4ad6e7a3028dd88aff7e2b0e5a81da8565e (diff) | |
| download | linux-956ca3a4eb81c1b8cc3226af3083847544dcb098.tar.xz | |
ARM: 9272/1: vfp: Add hwcap for FEAT_AA32I8MM
Int8 matrix multiplication (FEAT_AA32I8MM) is a feature present in AArch32 state for Armv8 and is represented by ISAR6.I8MM identification register.
This feature denotes the presence of VSMMLA, VSUDOT, VUMMLA, VUSMMLA and
VUSDOT instructions and hence adding a hwcap will enable the userspace
to check it before trying to use those instructions.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/setup.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 070067cb6c77..5807fa021785 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -1254,6 +1254,7 @@ static const char *hwcap_str[] = { "asimddp", "asimdfhm", "asimdbf16", + "i8mm", NULL }; |