projects / platform / kernel / linux-starfive.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 9a0bf05) | patch
svm: Temporarily deactivate AVIC during ExtINT handling
authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Thu, 14 Nov 2019 20:15:15 +0000 (14:15 -0600)
committerPaolo Bonzini <pbonzini@redhat.com>
Wed, 5 Feb 2020 14:17:43 +0000 (15:17 +0100)
commitf3515dc3bef81e96bdb2ac93ef8fd20b1c2aaae5
tree0b667f6fce1bde78c210102ed3e97023deaa9414tree | snapshot
parent9a0bf05430699dc94b7ced940f6270c7cf1d77efcommit | diff
svm: Temporarily deactivate AVIC during ExtINT handling

AMD AVIC does not support ExtINT. Therefore, AVIC must be temporary
deactivated and fall back to using legacy interrupt injection via vINTR
and interrupt window.

Also, introduce APICV_INHIBIT_REASON_IRQWIN to be used for this reason.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
[Rename svm_request_update_avic to svm_toggle_avic_for_extint. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_host.h diff | blob | history
arch/x86/kvm/svm.c diff | blob | history
Domain: System / Kernel;