On Thu, Jul 07, 2016 at 05:47:20AM -0700, Dave Hansen wrote:
From: Dave Hansen <dave.hansen@linux.intel.com>
PF_PK means that a memory access violated the protection key
access restrictions. It is unconditionally an access_error()
because the permissions set on the VMA don't matter (the PKRU
value overrides it), and we never "resolve" PK faults (like
how a COW can "resolve write fault).
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
An access fault gets propgated as SEGV_PKUERR. What happens if glibc
does not recognise it?
--
Mel Gorman
SUSE Labs
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