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cea8896bd9
The kvm_riscv_vcpu_timer_pending() checks per-VCPU next_cycles
and per-VCPU software injected VS timer interrupt. This function
returns incorrect value when Sstc is available because the per-VCPU
next_cycles are only updated by kvm_riscv_vcpu_timer_save() called
from kvm_arch_vcpu_put(). As a result, when Sstc is available the
VCPU does not block properly upon WFI traps.
To fix the above issue, we introduce kvm_riscv_vcpu_timer_sync()
which will update per-VCPU next_cycles upon every VM exit instead
of kvm_riscv_vcpu_timer_save().
Fixes:
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.. | ||
boot | ||
configs | ||
errata | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
purgatory | ||
Kbuild | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.erratas | ||
Kconfig.socs | ||
Makefile |