Author: jhb
Date: Mon Mar 28 18:41:48 2016
New Revision: 297359
URL: https://svnweb.freebsd.org/changeset/base/297359
Log:
Fix parsing of a 1GB page table entry.
Use 'pdpe' to extract the PA of the 1GB page instead of 'pde' (which was
a copy and paste bug from the 2MB page case further down).
CID: 1341467
Reported by: pfg
Modified:
head/lib/libkvm/kvm_amd64.c
Modified: head/lib/libkvm/kvm_amd64.c
==============================================================================
--- head/lib/libkvm/kvm_amd64.c Mon Mar 28 18:25:54 2016 (r297358)
+++ head/lib/libkvm/kvm_amd64.c Mon Mar 28 18:41:48 2016 (r297359)
@@ -227,7 +227,7 @@ _amd64_vatop(kvm_t *kd, kvaddr_t va, off
/*
* No next-level page table; pdpe describes one 1GB page.
*/
- a = (pde & AMD64_PG_1GB_FRAME) + (va & AMD64_PDPMASK);
+ a = (pdpe & AMD64_PG_1GB_FRAME) + (va & AMD64_PDPMASK);
s = _kvm_pa2off(kd, a, pa);
if (s == 0) {
_kvm_err(kd, kd->program,
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