lkml.org 
[lkml]   [2021]   [Apr]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4 2/7] hyperv: SVM enlightened TLB flush support flag
On Tue, Apr 27, 2021 at 08:54:51PM +0000, Vineeth Pillai wrote:
> Bit 22 of HYPERV_CPUID_FEATURES.EDX is specific to SVM and specifies
> support for enlightened TLB flush. With this enlightenment enabled,
> ASID invalidations flushes only gva->hpa entries. To flush TLB entries
> derived from NPT, hypercalls should be used
> (HvFlushGuestPhysicalAddressSpace or HvFlushGuestPhysicalAddressList)
>
> Signed-off-by: Vineeth Pillai <viremana@linux.microsoft.com>

Acked-by: Wei Liu <wei.liu@kernel.org>

\
 
 \ /
  Last update: 2021-04-28 15:48    [W:0.056 / U:0.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site