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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8f2abe6a1e
This path introduces handling of sie intercepts in three flavors: Intercepts are either handled completely in-kernel by kvm_handle_sie_intercept(), or passed to userspace with corresponding data in struct kvm_run in case kvm_handle_sie_intercept() returns -ENOTSUPP. In case of partial execution in kernel with the need of userspace support, kvm_handle_sie_intercept() may choose to set up struct kvm_run and return -EREMOTE. The trivial intercept reasons are handled in this patch: handle_noop() just does nothing for intercepts that don't require our support at all handle_stop() is called when a cpu enters stopped state, and it drops out to userland after updating our vcpu state handle_validity() faults in the cpu lowcore if needed, or passes the request to userland Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
15 lines
459 B
Makefile
15 lines
459 B
Makefile
# Makefile for kernel virtual machines on s390
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#
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# Copyright IBM Corp. 2008
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License (version 2 only)
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# as published by the Free Software Foundation.
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common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o)
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EXTRA_CFLAGS += -Ivirt/kvm -Iarch/s390/kvm
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kvm-objs := $(common-objs) kvm-s390.o sie64a.o intercept.o
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obj-$(CONFIG_KVM) += kvm.o
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