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(parent: 629a362) | patch
x86/kvm: Don't waste memory if kvmclock is disabled
authorWanpeng Li <wanpengli@tencent.com>
Tue, 22 Feb 2022 09:02:03 +0000 (01:02 -0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 25 Feb 2022 15:09:34 +0000 (10:09 -0500)
commita47fddf10e9bd53ac5bfc3bdc86ec39459db6089
tree8810288e3d48c3a5997391d3840d05f05ee1a94etree | snapshot
parent629a362f73e40d2038a51eefa5568d7504b821cdcommit | diff
x86/kvm: Don't waste memory if kvmclock is disabled

Even if "no-kvmclock" is passed in cmdline parameter, the guest kernel
still allocates hvclock_mem which is scaled by the number of vCPUs,
let's check kvmclock enable in advance to avoid this memory waste.

Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1645520523-30814-1-git-send-email-wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kernel/kvmclock.c diff | blob | history
Linux Kernel Source Tree.