From: Joerg Roedel <joerg.roedel@amd.com>
To: Alexander Graf <agraf@suse.de>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 11/11] KVM: SVM: Optimize nested svm msrpm merging
Date: Wed, 24 Feb 2010 20:37:01 +0100 [thread overview]
Message-ID: <20100224193700.GE3168@amd.com> (raw)
In-Reply-To: <402BABD5-304A-47EA-B35C-D0E3948BB27E@suse.de>
On Wed, Feb 24, 2010 at 08:27:50PM +0100, Alexander Graf wrote:
> > + static const u32 msrpm_offsets[] = {
> > + 0x0000002c, /* SYSENTER_CS */
> > +
> > + 0x00000038, /* LASTBRANCHFROMIP
> > + LASTBRANCHTOIP
> > + LASTINTFROMIP
> > + LASTINTTOIP */
> > +
> > + 0x00000820, /* STAR
> > + LSTAR
> > + CSTAR
> > + SYSCALL_MASK */
> > +
> > + 0x00000840, /* FS_BASE
> > + GS_BASE
> > + KERNEL_GS_BASE */
> > +
> > + 0xffffffff, /* End of List */
>
> Isn't there such a list around somewhere already? We really should
> only keep this list once throughout the whole code. If necessary, just
> create the list on the fly when bits get set in the msrpm.
No, the list is hardcoded in 3 functions (as parameter of
set_msr_interception). I think about a variant to do this with a single
list. Probably I create a list of MSRs and check in
set_msr_interceptionm for it.
Joerg
next prev parent reply other threads:[~2010-02-24 19:37 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-24 17:59 [PATCH 0/11] Another set of nested svm fixes and optimizations Joerg Roedel
2010-02-24 17:59 ` [PATCH 01/11] KVM: SVM: Coding style cleanup Joerg Roedel
2010-02-24 18:02 ` Joerg Roedel
2010-02-24 17:59 ` [PATCH 02/11] KVM: SVM: Reset MMU on nested_svm_vmrun for NPT too Joerg Roedel
2010-02-24 17:59 ` [PATCH 03/11] KVM: SVM: Check for nested intercepts on NMI injection Joerg Roedel
2010-02-24 17:59 ` [PATCH 04/11] KVM: SVM: Restore tracing of nested vmcb address Joerg Roedel
2010-02-24 17:59 ` [PATCH 05/11] KVM: SVM: Add kvm_nested_intercepts tracepoint Joerg Roedel
2010-02-24 17:59 ` [PATCH 06/11] KVM: SVM: Implement emulation of vm_cr msr Joerg Roedel
2010-02-25 10:28 ` Avi Kivity
2010-02-24 17:59 ` [PATCH 07/11] KVM: SVM: Ignore write of hwcr.ignne Joerg Roedel
2010-02-24 17:59 ` [PATCH 08/11] KVM: x86: Don't set arch.cr0 in kvm_set_cr0 Joerg Roedel
2010-02-24 17:59 ` [PATCH 09/11] KVM: SVM: Handle nested selective_cr0 intercept correctly Joerg Roedel
2010-02-24 17:59 ` [PATCH 10/11] KVM: SVM: Clear exit_info for injected INTR exits Joerg Roedel
2010-02-24 17:59 ` [PATCH 11/11] KVM: SVM: Optimize nested svm msrpm merging Joerg Roedel
2010-02-24 19:27 ` Alexander Graf
2010-02-24 19:37 ` Joerg Roedel [this message]
2010-02-24 19:58 ` Avi Kivity
2010-02-24 20:00 ` Alexander Graf
2010-02-24 20:09 ` Avi Kivity
2010-02-25 10:32 ` [PATCH 0/11] Another set of nested svm fixes and optimizations Avi Kivity
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=20100224193700.GE3168@amd.com \
--to=joerg.roedel@amd.com \
--cc=agraf@suse.de \
--cc=avi@redhat.com \
--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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.