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authorKees Cook <keescook@chromium.org>2018-02-21 10:18:21 -0800
committerWill Deacon <will.deacon@arm.com>2018-03-05 12:06:43 +0000
commit2e6f549fe91344999ef3e479ec9fbd039614f2e5 (patch)
tree8ecc7c2e96737fe393ce4c6c82b6a5bba1c028f2 /tools/perf/scripts/python/export-to-postgresql.py
parent6141ac1c274741ea8a47dfda759071f1c2eb5573 (diff)
arm64: cpufeature: Relocate PAN emulation report
The PAN emulation notification was only happening for non-boot CPUs if CPU capabilities had already been configured. This seems to be the wrong place, as it's system-wide and isn't attached to capabilities, so its reporting didn't normally happen. Instead, report it once from the boot CPU. Before (missing PAN emulation report): SMP: Total of 4 processors activated. CPU features: detected feature: 32-bit EL0 Support CPU features: detected feature: Kernel page table isolation (KPTI) CPU: All CPU(s) started at EL2 After: SMP: Total of 4 processors activated. CPU features: detected feature: 32-bit EL0 Support CPU features: detected feature: Kernel page table isolation (KPTI) CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching CPU: All CPU(s) started at EL2 Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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