On Tue, Feb 26, 2019 at 11:48:59AM -0800, Jim Mattson wrote:
> On Mon, Feb 25, 2019 at 10:32 PM Yang Weijiang <weijiang.y...@intel.com>
> wrote:
> >
> > Guest queries CET SHSTK and IBT support by CPUID.(EAX=0x7,ECX=0),
> > in return, ECX[bit 7] corresponds to SHSTK feature, and EDX[bit 20]
> > corresponds to IBT feature.
> > CR4.CET[bit 23] is CET master enable bit, it controls CET feature
> > availability in guest OS.
> >
> > Note: Although SHSTK or IBT can be enabled independently,
> > either of the features is controlled by CR4.CET.
> >
> > Signed-off-by: Zhang Yi Z <yi.z.zh...@linux.intel.com>
> > Signed-off-by: Yang Weijiang <weijiang.y...@intel.com>
>
> Am I missing something? X86_CR4_CET and X86_FEATURE_SHSTK and
> X86_FEATURE_IBT don't appear to be defined in Linus' tree.
The patch-set has dependency on this CET Kernel patch-set:
https://lkml.org/lkml/2018/11/20/203
I reused some definitions from the kernel patches.