From: Paolo Bonzini <pbonzini@redhat.com>
To: Jan Kiszka <jan.kiszka@web.de>, linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, alex.williamson@redhat.com,
mtosatti@redhat.com, gleb@kernel.org
Subject: Re: [PATCH 0/7] KVM: x86: Let the guest write to multiple debug registers with one vmexit
Date: Sun, 09 Mar 2014 09:31:00 +0100 [thread overview]
Message-ID: <531C26C4.2090205@redhat.com> (raw)
In-Reply-To: <531C232D.40200@web.de>
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
next prev parent reply other threads:[~2014-03-09 8:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-07 11:42 [PATCH 0/7] KVM: x86: Let the guest write to multiple debug registers with one vmexit Paolo Bonzini
2014-03-07 11:42 ` [PATCH 1/7] KVM: vmx: we do rely on loading DR7 on entry Paolo Bonzini
2014-03-07 11:42 ` [PATCH 2/7] KVM: x86: change vcpu->arch.switch_db_regs to a bit mask Paolo Bonzini
2014-03-07 11:42 ` [PATCH 3/7] KVM: x86: Allow the guest to run with dirty debug registers Paolo Bonzini
2014-03-09 18:28 ` Radim Krčmář
2014-03-09 20:07 ` Paolo Bonzini
2014-03-10 12:11 ` Radim Krčmář
2014-03-07 11:42 ` [PATCH 4/7] KVM: vmx: " Paolo Bonzini
2014-03-09 18:26 ` Radim Krčmář
2014-03-09 20:12 ` Paolo Bonzini
2014-03-10 12:17 ` Radim Krčmář
2014-03-10 12:24 ` Paolo Bonzini
2014-03-07 11:42 ` [PATCH 5/7] KVM: nVMX: Allow nested guests " Paolo Bonzini
2014-03-07 11:42 ` [PATCH 6/7] KVM: svm: set/clear all DR intercepts in one swoop Paolo Bonzini
2014-03-07 11:42 ` [PATCH 7/7] KVM: svm: Allow the guest to run with dirty debug registers Paolo Bonzini
2014-03-09 8:11 ` [PATCH 0/7] KVM: x86: Let the guest write to multiple debug registers with one vmexit Jan Kiszka
2014-03-09 8:15 ` Jan Kiszka
2014-03-09 8:31 ` Paolo Bonzini [this message]
2014-03-10 12:23 ` Radim Krčmář
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=531C26C4.2090205@redhat.com \
--to=pbonzini@redhat.com \
--cc=alex.williamson@redhat.com \
--cc=gleb@kernel.org \
--cc=jan.kiszka@web.de \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mtosatti@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).