KVM: Add guest mode signal mask

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Allow a special signal mask to be used while executing in guest mode.  This
allows signals to be used to interrupt a vcpu without requiring signal
delivery to a userspace handler, which is quite expensive.  Userspace still
receives -EINTR and can get the signal via sigwait().

Signed-off-by: Avi Kivity <avi@qumranet.com>

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This commit is contained in:

Avi Kivity 2007-03-05 19:46:05 +02:00

parent 6722c51c51

commit 1961d276c8

3 changed files with 51 additions and 0 deletions

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3

drivers/kvm/kvm.h

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41

drivers/kvm/kvm_main.c

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7

include/linux/kvm.h

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