Peter Feiner 301d328a6f x86/cpufeatures: Add EPT_AD feature bit ... Some Intel processors have an EPT feature whereby the accessed & dirty bits in EPT entries can be updated by HW. MSR IA32_VMX_EPT_VPID_CAP exposes the presence of this capability. There is no point in trying to use that new feature bit in the VMX code as VMX needs to read the MSR anyway to access other bits, but having the feature bit for EPT_AD in place helps virtualization management as it exposes "ept_ad" in /proc/cpuinfo/$proc/flags if the feature is present. [ tglx: Amended changelog ] Signed-off-by: Peter Feiner <pfeiner@google.com> Signed-off-by: Peter Shier <pshier@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jim Mattson <jmattson@google.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Borislav Petkov <bp@suse.de> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Woodhouse <dwmw@amazon.co.uk> Link: https://lkml.kernel.org/r/20180801180657.138051-1-pshier@google.com		2018-08-03 12:36:23 +02:00
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asm	x86/cpufeatures: Add EPT_AD feature bit	2018-08-03 12:36:23 +02:00
uapi/asm	Merge branch 'linus' into timers/2038	2018-05-19 13:55:40 +02:00