Author: araujo Date: Tue Oct 30 10:02:23 2018 New Revision: 339911 URL: https://svnweb.freebsd.org/changeset/base/339911
Log: Emulate machine check related MSR_EXTFEATURES to allow guest OSes to boot on AMD FX Series. PR: 224476 Submitted by: Keita Uchida <m...@jgz.jp> Reviewed by: rgrimes Sponsored by: iXsystems Inc. Differential Revision: https://reviews.freebsd.org/D17713 Modified: head/sys/amd64/vmm/amd/svm_msr.c Modified: head/sys/amd64/vmm/amd/svm_msr.c ============================================================================== --- head/sys/amd64/vmm/amd/svm_msr.c Tue Oct 30 10:01:15 2018 (r339910) +++ head/sys/amd64/vmm/amd/svm_msr.c Tue Oct 30 10:02:23 2018 (r339911) @@ -127,6 +127,9 @@ svm_rdmsr(struct svm_softc *sc, int vcpu, u_int num, u case MSR_AMDK8_IPM: *result = 0; break; + case MSR_EXTFEATURES: + *result = 0; + break; default: error = EINVAL; break; @@ -162,6 +165,8 @@ svm_wrmsr(struct svm_softc *sc, int vcpu, u_int num, u /* * Ignore writes to microcode update register. */ + break; + case MSR_EXTFEATURES: break; default: error = EINVAL; _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
