Re: svn commit: r329162 - in head/sys/amd64/vmm: amd intel

2018-02-12 Thread Tycho Nightingale
Hi, > On Feb 12, 2018, at 10:37 AM, Shawn Webb wrote: > > On Mon, Feb 12, 2018 at 02:45:27PM +, Tycho Nightingale wrote: >> Author: tychon >> Date: Mon Feb 12 14:45:27 2018 >> New Revision: 329162 >> URL: https://svnweb.freebsd.org/changeset/base/329162 >> >>

Re: svn commit: r329162 - in head/sys/amd64/vmm: amd intel

2018-02-12 Thread Shawn Webb
On Mon, Feb 12, 2018 at 02:45:27PM +, Tycho Nightingale wrote: > Author: tychon > Date: Mon Feb 12 14:45:27 2018 > New Revision: 329162 > URL: https://svnweb.freebsd.org/changeset/base/329162 > > Log: > Provide further mitigation against CVE-2017-5715 by flushing the > return stack buffer

Re: svn commit: r329162 - in head/sys/amd64/vmm: amd intel

2018-02-12 Thread Rodney W. Grimes
> Author: tychon > Date: Mon Feb 12 14:45:27 2018 > New Revision: 329162 > URL: https://svnweb.freebsd.org/changeset/base/329162 > > Log: > Provide further mitigation against CVE-2017-5715 by flushing the > return stack buffer (RSB) upon returning from the guest. > > This was inspired by

svn commit: r329162 - in head/sys/amd64/vmm: amd intel

2018-02-12 Thread Tycho Nightingale
Author: tychon Date: Mon Feb 12 14:45:27 2018 New Revision: 329162 URL: https://svnweb.freebsd.org/changeset/base/329162 Log: Provide further mitigation against CVE-2017-5715 by flushing the return stack buffer (RSB) upon returning from the guest. This was inspired by this linux commit: