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| author | Ingo Molnar <mingo@elte.hu> | 2008-04-18 21:32:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-18 23:40:49 +0200 |
| commit | d1a4be630fb068f251d64b62919f143c49ca8057 (patch) | |
| tree | fbd9727874d3377e2c2d0699fabb6c12427408a9 /arch | |
| parent | 2cca775baecbfede2fec20c99add709232311fe7 (diff) | |
| download | op-kernel-dev-d1a4be630fb068f251d64b62919f143c49ca8057.zip op-kernel-dev-d1a4be630fb068f251d64b62919f143c49ca8057.tar.gz | |
x86 PAT: fix mmap() of holes
do not return a -EINVAL when mmap()-ing PCI holes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arjan van de Ven <arjan@linux.intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 7d9517a..f7823a1 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -542,7 +542,7 @@ static int __change_page_attr(struct cpa_data *cpa, int primary) repeat: kpte = lookup_address(address, &level); if (!kpte) - return primary ? -EINVAL : 0; + return 0; old_pte = *kpte; if (!pte_val(old_pte)) { |
