lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <531C26C4.2090205@redhat.com> Date: Sun, 09 Mar 2014 09:31:00 +0100 From: Paolo Bonzini <pbonzini@...hat.com> To: Jan Kiszka <jan.kiszka@....de>, linux-kernel@...r.kernel.org CC: kvm@...r.kernel.org, alex.williamson@...hat.com, mtosatti@...hat.com, gleb@...nel.org Subject: Re: [PATCH 0/7] KVM: x86: Let the guest write to multiple debug registers with one vmexit Il 09/03/2014 09:15, Jan Kiszka ha scritto: >> > This looks good now to me from KVM perspective. I was just wondering how >> > the case is handled that the host used debug registers on the thread the >> > runs a VCPU? What if I set a hw breakpoint on its userspace path e.g.? >> > What if I debug the kernel side with kgdb? > Ah, this part didn't change, we still switch between host and guest > state on vmentries/exits. All fine! Yes, that's why sync_dirty_debug_regs is added so early. Thanks for the review. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists