On Thu, 27 Oct 2022, Dave Hansen wrote:
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 67745ceab0db..b68661d0633b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -69,6 +69,7 @@ config X86
select ARCH_ENABLE_THP_MIGRATION if X86_64 && TRANSPARENT_HUGEPAGE
select
Dave Hansen wrote:
> On 10/25/22 13:05, Dan Williams wrote:
> > Users must first call cpu_cache_has_invalidate_memregion() to know whether
> > this functionality is available on the architecture. Only enable it on
> > x86-64 via the wbinvd() hammer. Hypervisors are not supported as TDX
> > guests
On 10/25/22 13:05, Dan Williams wrote:
> Users must first call cpu_cache_has_invalidate_memregion() to know whether
> this functionality is available on the architecture. Only enable it on
> x86-64 via the wbinvd() hammer. Hypervisors are not supported as TDX
> guests may trigger a virtualization
From: Davidlohr Bueso
With CXL security features, global CPU cache flushing nvdimm requirements
are no longer specific to that subsystem, even beyond the scope of
security_ops. CXL will need such semantics for features not necessarily
limited to persistent memory.
The functionality this is
4 matches
Mail list logo