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paravirt: export __supported_pte_mask 

__supported_pte_mask is needed when constructing pte values.  Xen
device drivers need to do this to make mappings of foreign pages (ie,
pages granted to us by other domains).

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
hifive-unleashed-5.1
Jeremy Fitzhardinge 2007-07-17 18:37:04 -07:00 committed by Jeremy Fitzhardinge
parent c70df74376
commit bdef40a6af
1 changed files with 1 additions and 0 deletions
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arch/i386/mm/init.c
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@ -473,6 +473,7 @@ void zap_low_mappings (void)
static int disable_nx __initdata = 0;
u64 __supported_pte_mask __read_mostly = ~_PAGE_NX;
EXPORT_SYMBOL_GPL(__supported_pte_mask);
/*
* noexec = on|off