linux_dsm_epyc7002/arch/arm64
Dave Martin 22043a3c08 arm64/sve: Low-level CPU setup
To enable the kernel to use SVE, SVE traps from EL1 to EL2 must be
disabled.  To take maximum advantage of the hardware, the full
available vector length also needs to be enabled for EL1 by
programming ZCR_EL2.LEN.  (The kernel will program ZCR_EL1.LEN as
required, but this cannot override the limit set by ZCR_EL2.)

This patch makes the appropriate changes to the EL2 early setup
code.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
2017-11-03 15:24:15 +00:00
..
boot ARM: arm64: Devicetree updates for v4.14 2017-09-10 20:54:48 -07:00
configs ARM/arm64: SoC platform updates for v4.14 2017-09-10 20:35:46 -07:00
crypto crypto: arm64/aes - avoid expanded lookup tables in the final round 2017-08-04 09:27:26 +08:00
include arm64/sve: Signal frame and context structure definition 2017-11-03 15:24:14 +00:00
kernel arm64/sve: Low-level CPU setup 2017-11-03 15:24:15 +00:00
kvm arm64: KVM: Hide unsupported AArch64 CPU features from guests 2017-11-03 15:24:12 +00:00
lib arm64: use WFE for long delays 2017-10-13 18:56:15 +01:00
mm arm64: explicitly mask all exceptions 2017-11-02 15:55:40 +00:00
net bpf, arm64: implement jiting of BPF_J{LT, LE, SLT, SLE} 2017-08-09 16:53:56 -07:00
xen xen/privcmd: Add IOCTL_PRIVCMD_DM_OP 2017-02-14 15:13:43 -05:00
Kconfig arm64/sve: Kconfig update and conditional compilation support 2017-11-03 15:24:14 +00:00
Kconfig.debug arm64: relocation testing module 2017-04-04 17:03:32 +01:00
Kconfig.platforms ARM: arm64: Devicetree updates for v4.14 2017-09-10 20:54:48 -07:00
Makefile arm64: prevent regressions in compressed kernel image size when upgrading to binutils 2.27 2017-10-30 13:45:12 +00:00