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| author | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-09-05 07:17:31 (GMT) |
| commit | 14e42917216ab0859827c2d8024df45a917301b4 (patch) | |
| tree | efbea5d1c54387d62a6fd66a21560232cf312fda /arch/x86/xen/setup.c | |
| parent | 292f2b6254c9dbb98def6d3521b07a837545ead0 (diff) | |
| parent | 4266274836e81575ee82498d84f4bd08ab7a7378 (diff) | |
| download | linux-fsl-qoriq-14e42917216ab0859827c2d8024df45a917301b4.tar.xz | |
Merge branch 'fixes' of git://git.alsa-project.org/alsa-kernel into for-next
Diffstat (limited to 'arch/x86/xen/setup.c')
| -rw-r--r-- | arch/x86/xen/setup.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index ead8557..d11ca11 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, |