git: nvmm: Fix SWINT reinjection in svm_exit_evt()
Aaron LI
aly at crater.dragonflybsd.org
Sat Oct 3 07:05:11 PDT 2026
commit 2543a4cbbaa110b70d07b7290f0d3d51ee89ea68
Author: Aaron LI <aly at aaronly.me>
Date: Fri Oct 2 21:20:38 2026 +0800
nvmm: Fix SWINT reinjection in svm_exit_evt()
AMD CPUs have an issue where they may not set nrip if a VMEXIT
occurs during a SWINT event. Work around it by not reinjecting
SWINTs and just letting the guest re-execute the INT instruction.
Obtained-from: NVMM Reference Implementation
Summary of changes:
sys/dev/virtual/nvmm/x86/nvmm_x86_svm.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/2543a4cbbaa110b70d07b7290f0d3d51ee89ea68
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