summaryrefslogtreecommitdiff
path: root/arch/x86/xen/setup.c
diff options
context:
space:
mode:
authorOlof Johansson <olof@lixom.net>2012-09-12 22:34:11 -0700
committerOlof Johansson <olof@lixom.net>2012-09-12 22:34:11 -0700
commit025c95a6826ad8acfe871f33c2fa9208beeb38df (patch)
tree220fe156ff60db13bd3a1319f5e20d6b723de5f4 /arch/x86/xen/setup.c
parent0558d7a8ed44e6e53aadb04d2e23145efb2aa8a4 (diff)
parent7f744b17140af1a9c8804a1c81c9dae6bb52a7fb (diff)
Merge branch 'clk' of git://github.com/hzhuang1/linux into next/cleanup
* 'clk' of git://github.com/hzhuang1/linux: ARM: mmp: remove unused definition in APBC and APMU ARM: mmp: move mmp2 clock definition to separated file arm: mmp: move pxa910 clock definition to separated file arm: mmp: move pxa168 clock definition to separated file arm: mmp: make private clock definition exclude from common clock + Linux 3.6-rc4
Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index ead85576d54a..d11ca11d14fc 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -78,9 +78,16 @@ static void __init xen_add_extra_mem(u64 start, u64 size)
memblock_reserve(start, size);
xen_max_p2m_pfn = PFN_DOWN(start + size);
+ for (pfn = PFN_DOWN(start); pfn < xen_max_p2m_pfn; pfn++) {
+ unsigned long mfn = pfn_to_mfn(pfn);
+
+ if (WARN(mfn == pfn, "Trying to over-write 1-1 mapping (pfn: %lx)\n", pfn))
+ continue;
+ WARN(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n",
+ pfn, mfn);
- for (pfn = PFN_DOWN(start); pfn <= xen_max_p2m_pfn; pfn++)
__set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
+ }
}
static unsigned long __init xen_do_chunk(unsigned long start,