xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests

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XENFEAT_mmu_pt_update_preserve_ad is always set in Xen 4.0 and newer.
Remove coding assuming it might be zero.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210730071804.4302-3-jgross@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>

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This commit is contained in:

Juergen Gross 2021-07-30 09:18:03 +02:00

parent ac4c403c90

commit 2526cff7c4

2 changed files with 4 additions and 12 deletions

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12

arch/x86/xen/enlighten_pv.c

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4

arch/x86/xen/mmu_pv.c

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