https://github.com/torvalds/linux
When using the Virtualisation Host Extensions, EL1 is not used in the host and requires no separate configuration. In addition, with VHE enabled, non-hyp-specific EL2 configuration that does not need to be done early will be done anyway in __cpu_setup via the _EL1 system register aliases. In particular, the layout and definition of CPTR_EL2 are changed by enabling VHE so that they resemble CPACR_EL1, so existing code to initialise CPTR_EL2 becomes architecturally wrong in this case. This patch simply skips the affected initialisation code in the non-VHE case. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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arm64: Fix EL1/EL2 early init inconsistencies with VHE
File | Mode | Size |
---|---|---|
Documentation | ||
arch | ||
block | ||
certs | ||
crypto | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.get_maintainer.ignore | -rw-r--r-- | 31 bytes |
.gitignore | -rw-r--r-- | 1.2 KB |
.mailmap | -rw-r--r-- | 5.5 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 95.4 KB |
Kbuild | -rw-r--r-- | 2.6 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 344.2 KB |
Makefile | -rw-r--r-- | 55.0 KB |
README | -rw-r--r-- | 18.1 KB |
REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
Computing file changes ...